release sync: 0.39.x

.clang-format-ignore

@@ -1 +1,3 @@
-# Add here new files to ignore
+# These files contain some JSON schema definitions that are not C++ code
+userspace/falco/config_json_schema.h
+userspace/engine/rule_json_schema.h

.git-blame-ignore-revs

@@ -1 +1,2 @@
-# Add here new files to ignore
+# This commit formatted the Falco code for the first time.
+50b98b30e588eadce641136da85bc94a60eb6a3d

CMakeLists.txt

@@ -2,14 +2,15 @@
 #
 # Copyright (C) 2023 The Falco Authors.
 #
-# Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with
-# the License. You may obtain a copy of the License at
+# Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except
+# in compliance with the License. You may obtain a copy of the License at
 #
 # http://www.apache.org/licenses/LICENSE-2.0
 #
-# Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on an
-# "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License for the
-# specific language governing permissions and limitations under the License.
+# Unless required by applicable law or agreed to in writing, software distributed under the License
+# is distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express
+# or implied. See the License for the specific language governing permissions and limitations under
+# the License.
 #
 cmake_minimum_required(VERSION 3.5.1)
 
@@ -18,62 +19,82 @@ project(falco)
 option(USE_BUNDLED_DEPS "Bundle hard to find dependencies into the Falco binary" ON)
 option(USE_DYNAMIC_LIBELF "Dynamically link libelf" ON)
 option(BUILD_WARNINGS_AS_ERRORS "Enable building with -Wextra -Werror flags" OFF)
-option(MINIMAL_BUILD "Build a minimal version of Falco, containing only the engine and basic input/output (EXPERIMENTAL)" OFF)
+option(
+	MINIMAL_BUILD
+	"Build a minimal version of Falco, containing only the engine and basic input/output (EXPERIMENTAL)"
+	OFF
+)
 option(MUSL_OPTIMIZED_BUILD "Enable if you want a musl optimized build" OFF)
 option(BUILD_FALCO_UNIT_TESTS "Build falco unit tests" OFF)
 option(USE_ASAN "Build with AddressSanitizer" OFF)
 option(USE_UBSAN "Build with UndefinedBehaviorSanitizer" OFF)
 option(UBSAN_HALT_ON_ERROR "Halt on error when building with UBSan" ON)
 
 if(WIN32)
-  if(POLICY CMP0091)
-    # Needed for CMAKE_MSVC_RUNTIME_LIBRARY
-    # https://cmake.org/cmake/help/latest/policy/CMP0091.html
-    cmake_policy(SET CMP0091 NEW)
-  endif()
+	if(POLICY CMP0091)
+		# Needed for CMAKE_MSVC_RUNTIME_LIBRARY
+		# https://cmake.org/cmake/help/latest/policy/CMP0091.html
+		cmake_policy(SET CMP0091 NEW)
+	endif()
 	set(CPACK_GENERATOR "NSIS") # this needs NSIS installed, and available
-elseif (APPLE)
+elseif(APPLE)
 	set(CPACK_GENERATOR "DragNDrop")
 elseif(EMSCRIPTEN)
-  set(USE_BUNDLED_DEPS ON CACHE BOOL "" FORCE)
-  set(BUILD_DRIVER OFF CACHE BOOL "" FORCE)
-  set(ENABLE_DKMS OFF CACHE BOOL "" FORCE)
-  set(BUILD_BPF OFF CACHE BOOL "" FORCE)
-  set(CPACK_GENERATOR TGZ CACHE BOOL "" FORCE)
+	set(USE_BUNDLED_DEPS
+		ON
+		CACHE BOOL "" FORCE
+	)
+	set(BUILD_DRIVER
+		OFF
+		CACHE BOOL "" FORCE
+	)
+	set(ENABLE_DKMS
+		OFF
+		CACHE BOOL "" FORCE
+	)
+	set(BUILD_BPF
+		OFF
+		CACHE BOOL "" FORCE
+	)
+	set(CPACK_GENERATOR
+		TGZ
+		CACHE BOOL "" FORCE
+	)
 endif()
 
 # gVisor is currently only supported on Linux x86_64
-if(CMAKE_SYSTEM_PROCESSOR STREQUAL "x86_64" AND CMAKE_SYSTEM_NAME MATCHES "Linux" AND NOT MINIMAL_BUILD)
-  option(BUILD_FALCO_GVISOR "Build gVisor support for Falco" ON)
-  if (BUILD_FALCO_GVISOR)
-    add_definitions(-DHAS_GVISOR)
-  endif()
+if(CMAKE_SYSTEM_PROCESSOR STREQUAL "x86_64"
+   AND CMAKE_SYSTEM_NAME MATCHES "Linux"
+   AND NOT MINIMAL_BUILD
+)
+	option(BUILD_FALCO_GVISOR "Build gVisor support for Falco" ON)
+	if(BUILD_FALCO_GVISOR)
+		add_definitions(-DHAS_GVISOR)
+	endif()
 endif()
 
 # Modern BPF is not supported on not Linux systems and in MINIMAL_BUILD
 if(CMAKE_SYSTEM_NAME MATCHES "Linux" AND NOT MINIMAL_BUILD)
-  option(BUILD_FALCO_MODERN_BPF "Build modern BPF support for Falco" ON)
-  if(BUILD_FALCO_MODERN_BPF)
-    add_definitions(-DHAS_MODERN_BPF)
-  endif()
+	option(BUILD_FALCO_MODERN_BPF "Build modern BPF support for Falco" ON)
+	if(BUILD_FALCO_MODERN_BPF)
+		add_definitions(-DHAS_MODERN_BPF)
+	endif()
 endif()
 
 # We shouldn't need to set this, see https://gitlab.kitware.com/cmake/cmake/-/issues/16419
 option(EP_UPDATE_DISCONNECTED "ExternalProject update disconnected" OFF)
-if (${EP_UPDATE_DISCONNECTED})
-  set_property(
-    DIRECTORY ${CMAKE_CURRENT_SOURCE_DIR}
-    PROPERTY EP_UPDATE_DISCONNECTED TRUE)
+if(${EP_UPDATE_DISCONNECTED})
+	set_property(DIRECTORY ${CMAKE_CURRENT_SOURCE_DIR} PROPERTY EP_UPDATE_DISCONNECTED TRUE)
 endif()
 
-# Elapsed time
-# set_property(GLOBAL PROPERTY RULE_LAUNCH_COMPILE "${CMAKE_COMMAND} -E time") # TODO(fntlnz, leodido): add a flag to enable this
+# Elapsed time set_property(GLOBAL PROPERTY RULE_LAUNCH_COMPILE "${CMAKE_COMMAND} -E time") #
+# TODO(fntlnz, leodido): add a flag to enable this
 
 # Make flag for parallel processing
 include(ProcessorCount)
-processorcount(PROCESSOR_COUNT)
+ProcessorCount(PROCESSOR_COUNT)
 if(NOT PROCESSOR_COUNT EQUAL 0)
-  set(PROCESSOUR_COUNT_MAKE_FLAG -j${PROCESSOR_COUNT})
+	set(PROCESSOUR_COUNT_MAKE_FLAG -j${PROCESSOR_COUNT})
 endif()
 
 # Custom CMake modules
@@ -83,14 +104,14 @@ list(APPEND CMAKE_MODULE_PATH "${CMAKE_CURRENT_SOURCE_DIR}/cmake/modules")
 include(GNUInstallDirs)
 
 if(NOT DEFINED FALCO_ETC_DIR)
-  set(FALCO_ETC_DIR "${CMAKE_INSTALL_FULL_SYSCONFDIR}/falco")
+	set(FALCO_ETC_DIR "${CMAKE_INSTALL_FULL_SYSCONFDIR}/falco")
 endif()
 
 # This will be used to print the architecture for which Falco is compiled.
-if (EMSCRIPTEN)
-  set(FALCO_TARGET_ARCH "wasm")
+if(EMSCRIPTEN)
+	set(FALCO_TARGET_ARCH "wasm")
 else()
-  set(FALCO_TARGET_ARCH ${CMAKE_SYSTEM_PROCESSOR})
+	set(FALCO_TARGET_ARCH ${CMAKE_SYSTEM_PROCESSOR})
 endif()
 
 include(CompilerFlags)
@@ -100,19 +121,20 @@ set(DRIVER_NAME "falco")
 set(DRIVER_DEVICE_NAME "falco")
 set(DRIVERS_REPO "https://download.falco.org/driver")
 
-# If no path is provided, try to search the BPF probe in: `home/.falco/falco-bpf.o`
-# This is the same fallback that we had in the libraries: `SCAP_PROBE_BPF_FILEPATH`.
+# If no path is provided, try to search the BPF probe in: `home/.falco/falco-bpf.o` This is the same
+# fallback that we had in the libraries: `SCAP_PROBE_BPF_FILEPATH`.
 set(FALCO_PROBE_BPF_FILEPATH ".${DRIVER_NAME}/${DRIVER_NAME}-bpf.o")
 add_definitions(-DFALCO_PROBE_BPF_FILEPATH="${FALCO_PROBE_BPF_FILEPATH}")
 
 if(NOT DEFINED FALCO_COMPONENT_NAME)
-    set(FALCO_COMPONENT_NAME "${CMAKE_PROJECT_NAME}")
+	set(FALCO_COMPONENT_NAME "${CMAKE_PROJECT_NAME}")
 endif()
 
 if(CMAKE_INSTALL_PREFIX_INITIALIZED_TO_DEFAULT)
-  set(CMAKE_INSTALL_PREFIX
-      /usr
-      CACHE PATH "Default install path" FORCE)
+	set(CMAKE_INSTALL_PREFIX
+		/usr
+		CACHE PATH "Default install path" FORCE
+	)
 endif()
 
 set(CMD_MAKE make)
@@ -131,61 +153,93 @@ include(njson)
 # yaml-cpp
 include(yaml-cpp)
 
-if(NOT WIN32 AND NOT APPLE AND NOT MINIMAL_BUILD AND NOT EMSCRIPTEN)
-  # OpenSSL
-  include(openssl)
+if(NOT WIN32
+   AND NOT APPLE
+   AND NOT MINIMAL_BUILD
+   AND NOT EMSCRIPTEN
+)
+	# OpenSSL
+	include(openssl)
 
-  # libcurl
-  include(curl)
+	# libcurl
+	include(curl)
 
-  # todo(jasondellaluce,rohith-raju): support webserver for non-linux builds too
-  # cpp-httlib
-  include(cpp-httplib)
+	# todo(jasondellaluce,rohith-raju): support webserver for non-linux builds too cpp-httlib
+	include(cpp-httplib)
 endif()
 
 include(cxxopts)
 
 # One TBB
-if (NOT EMSCRIPTEN)
-  include(tbb)
+if(NOT EMSCRIPTEN)
+	include(tbb)
 endif()
 
 include(zlib)
 include(valijson)
-if (NOT MINIMAL_BUILD)
-  if (NOT WIN32 AND NOT APPLE AND NOT EMSCRIPTEN)
-    include(cares)
-    include(protobuf)
-    # gRPC
-    include(grpc)
-  endif()
+if(NOT MINIMAL_BUILD)
+	if(NOT WIN32
+	   AND NOT APPLE
+	   AND NOT EMSCRIPTEN
+	)
+		include(cares)
+		include(protobuf)
+		# gRPC
+		include(grpc)
+	endif()
 endif()
 
 # Installation
 if(WIN32)
-	set(FALCO_INSTALL_CONF_FILE "%PROGRAMFILES%/${PACKAGE_NAME}-${FALCO_VERSION}/etc/falco/falco.yaml")
-	install(FILES falco.yaml DESTINATION etc/falco/ COMPONENT "${FALCO_COMPONENT_NAME}")
-    install(DIRECTORY DESTINATION etc/falco/config.d COMPONENT "${FALCO_COMPONENT_NAME}")
+	set(FALCO_INSTALL_CONF_FILE
+		"%PROGRAMFILES%/${PACKAGE_NAME}-${FALCO_VERSION}/etc/falco/falco.yaml"
+	)
+	install(
+		FILES falco.yaml
+		DESTINATION etc/falco/
+		COMPONENT "${FALCO_COMPONENT_NAME}"
+	)
+	install(
+		DIRECTORY
+		DESTINATION etc/falco/config.d
+		COMPONENT "${FALCO_COMPONENT_NAME}"
+	)
 elseif(APPLE)
 	set(FALCO_INSTALL_CONF_FILE "/etc/falco/falco.yaml")
-	install(FILES falco.yaml DESTINATION etc/falco/ COMPONENT "${FALCO_COMPONENT_NAME}")
-    install(DIRECTORY DESTINATION etc/falco/config.d COMPONENT "${FALCO_COMPONENT_NAME}")
+	install(
+		FILES falco.yaml
+		DESTINATION etc/falco/
+		COMPONENT "${FALCO_COMPONENT_NAME}"
+	)
+	install(
+		DIRECTORY
+		DESTINATION etc/falco/config.d
+		COMPONENT "${FALCO_COMPONENT_NAME}"
+	)
 else()
 	set(FALCO_INSTALL_CONF_FILE "/etc/falco/falco.yaml")
-	install(FILES falco.yaml DESTINATION "${FALCO_ETC_DIR}" COMPONENT "${FALCO_COMPONENT_NAME}")
-    install(DIRECTORY DESTINATION "${FALCO_ETC_DIR}/config.d" COMPONENT "${FALCO_COMPONENT_NAME}")
+	install(
+		FILES falco.yaml
+		DESTINATION "${FALCO_ETC_DIR}"
+		COMPONENT "${FALCO_COMPONENT_NAME}"
+	)
+	install(
+		DIRECTORY
+		DESTINATION "${FALCO_ETC_DIR}/config.d"
+		COMPONENT "${FALCO_COMPONENT_NAME}"
+	)
 endif()
 
 if(NOT MINIMAL_BUILD)
-  # Coverage
-  include(Coverage)
+	# Coverage
+	include(Coverage)
 endif()
 
 # Rules
 include(rules)
 
-# Clang format
-# add_custom_target(format COMMAND clang-format --style=file -i $<TARGET_PROPERTY:falco,SOURCES> COMMENT "Formatting ..." VERBATIM)
+# Clang format add_custom_target(format COMMAND clang-format --style=file -i
+# $<TARGET_PROPERTY:falco,SOURCES> COMMENT "Formatting ..." VERBATIM)
 
 # Static analysis
 include(static-analysis)
@@ -199,13 +253,17 @@ add_subdirectory(scripts)
 add_subdirectory(userspace/engine)
 add_subdirectory(userspace/falco)
 
-if(NOT WIN32 AND NOT APPLE AND NOT EMSCRIPTEN AND NOT MUSL_OPTIMIZED_BUILD)
-  include(falcoctl)
+if(NOT WIN32
+   AND NOT APPLE
+   AND NOT EMSCRIPTEN
+   AND NOT MUSL_OPTIMIZED_BUILD
+)
+	include(falcoctl)
 endif()
 
 # Packages configuration
 include(CPackConfig)
 
 if(BUILD_FALCO_UNIT_TESTS)
-  add_subdirectory(unit_tests)
+	add_subdirectory(unit_tests)
 endif()

cmake/cpack/CMakeCPackOptions.cmake

@@ -2,24 +2,53 @@
 #
 # Copyright (C) 2023 The Falco Authors.
 #
-# Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with
-# the License. You may obtain a copy of the License at
+# Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except
+# in compliance with the License. You may obtain a copy of the License at
 #
 # http://www.apache.org/licenses/LICENSE-2.0
 #
-# Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on an
-# "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License for the
-# specific language governing permissions and limitations under the License.
+# Unless required by applicable law or agreed to in writing, software distributed under the License
+# is distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express
+# or implied. See the License for the specific language governing permissions and limitations under
+# the License.
 #
 
 if(CPACK_GENERATOR MATCHES "DEB" OR CPACK_GENERATOR MATCHES "RPM")
-	list(APPEND CPACK_INSTALL_COMMANDS "mkdir -p _CPack_Packages/${CPACK_TOPLEVEL_TAG}/${CPACK_GENERATOR}/${CPACK_PACKAGE_FILE_NAME}/usr/lib/systemd/system")
-	list(APPEND CPACK_INSTALL_COMMANDS "cp scripts/systemd/falco-kmod-inject.service _CPack_Packages/${CPACK_TOPLEVEL_TAG}/${CPACK_GENERATOR}/${CPACK_PACKAGE_FILE_NAME}/usr/lib/systemd/system")
-	list(APPEND CPACK_INSTALL_COMMANDS "cp scripts/systemd/falco-kmod.service _CPack_Packages/${CPACK_TOPLEVEL_TAG}/${CPACK_GENERATOR}/${CPACK_PACKAGE_FILE_NAME}/usr/lib/systemd/system")
-	list(APPEND CPACK_INSTALL_COMMANDS "cp scripts/systemd/falco-bpf.service _CPack_Packages/${CPACK_TOPLEVEL_TAG}/${CPACK_GENERATOR}/${CPACK_PACKAGE_FILE_NAME}/usr/lib/systemd/system")
-	list(APPEND CPACK_INSTALL_COMMANDS "cp scripts/systemd/falco-modern-bpf.service _CPack_Packages/${CPACK_TOPLEVEL_TAG}/${CPACK_GENERATOR}/${CPACK_PACKAGE_FILE_NAME}/usr/lib/systemd/system")
-	list(APPEND CPACK_INSTALL_COMMANDS "cp scripts/systemd/falco-custom.service _CPack_Packages/${CPACK_TOPLEVEL_TAG}/${CPACK_GENERATOR}/${CPACK_PACKAGE_FILE_NAME}/usr/lib/systemd/system")
-	list(APPEND CPACK_INSTALL_COMMANDS "cp scripts/systemd/falcoctl-artifact-follow.service _CPack_Packages/${CPACK_TOPLEVEL_TAG}/${CPACK_GENERATOR}/${CPACK_PACKAGE_FILE_NAME}/usr/lib/systemd/system")
+	list(
+		APPEND
+		CPACK_INSTALL_COMMANDS
+		"mkdir -p _CPack_Packages/${CPACK_TOPLEVEL_TAG}/${CPACK_GENERATOR}/${CPACK_PACKAGE_FILE_NAME}/usr/lib/systemd/system"
+	)
+	list(
+		APPEND
+		CPACK_INSTALL_COMMANDS
+		"cp scripts/systemd/falco-kmod-inject.service _CPack_Packages/${CPACK_TOPLEVEL_TAG}/${CPACK_GENERATOR}/${CPACK_PACKAGE_FILE_NAME}/usr/lib/systemd/system"
+	)
+	list(
+		APPEND
+		CPACK_INSTALL_COMMANDS
+		"cp scripts/systemd/falco-kmod.service _CPack_Packages/${CPACK_TOPLEVEL_TAG}/${CPACK_GENERATOR}/${CPACK_PACKAGE_FILE_NAME}/usr/lib/systemd/system"
+	)
+	list(
+		APPEND
+		CPACK_INSTALL_COMMANDS
+		"cp scripts/systemd/falco-bpf.service _CPack_Packages/${CPACK_TOPLEVEL_TAG}/${CPACK_GENERATOR}/${CPACK_PACKAGE_FILE_NAME}/usr/lib/systemd/system"
+	)
+	list(
+		APPEND
+		CPACK_INSTALL_COMMANDS
+		"cp scripts/systemd/falco-modern-bpf.service _CPack_Packages/${CPACK_TOPLEVEL_TAG}/${CPACK_GENERATOR}/${CPACK_PACKAGE_FILE_NAME}/usr/lib/systemd/system"
+	)
+	list(
+		APPEND
+		CPACK_INSTALL_COMMANDS
+		"cp scripts/systemd/falco-custom.service _CPack_Packages/${CPACK_TOPLEVEL_TAG}/${CPACK_GENERATOR}/${CPACK_PACKAGE_FILE_NAME}/usr/lib/systemd/system"
+	)
+	list(
+		APPEND
+		CPACK_INSTALL_COMMANDS
+		"cp scripts/systemd/falcoctl-artifact-follow.service _CPack_Packages/${CPACK_TOPLEVEL_TAG}/${CPACK_GENERATOR}/${CPACK_PACKAGE_FILE_NAME}/usr/lib/systemd/system"
+	)
 endif()
 
 if(CPACK_GENERATOR MATCHES "TGZ")