update: reference for the logo

Signed-off-by: Lorenzo Fontana <lo@linux.com>
add exception macro
2026-03-21 04:02:14 +00:00 · 2020-12-09 18:36:22 +01:00 · 2020-12-04 06:21:34 -05:00 · 2020-12-04 06:21:34 -05:00 · 2020-12-01 04:18:04 -05:00 · 2020-12-01 04:18:04 -05:00
56 changed files with 1241 additions and 808 deletions
--- a/.circleci/config.yml
+++ b/.circleci/config.yml
@@ -282,6 +282,8 @@ jobs:
      - run:
          name: Execute integration tests
          command: /usr/bin/entrypoint test
+      - store_test_results:
+          path: /build/release/integration-tests-xunit
  "tests/integration-static":
    docker:
      - image: falcosecurity/falco-tester:latest
@@ -297,6 +299,8 @@ jobs:
      - run:
          name: Execute integration tests
          command: /usr/bin/entrypoint test
+      - store_test_results:
+          path: /build-static/release/integration-tests-xunit
  "tests/driver-loader/integration":
    machine:
      image: ubuntu-1604:202004-01
--- a/.github/stale.yml
+++ b/.github/stale.yml
@@ -1,20 +0,0 @@
-# Number of days of inactivity before an issue becomes stale
-daysUntilStale: 60
-# Number of days of inactivity before a stale issue is closed
-daysUntilClose: 7
-# Issues with these labels will never be considered stale
-exemptLabels:
-  - cncf
-  - roadmap
-  - "help wanted"
-# Label to use when marking an issue as stale
-staleLabel: wontfix
-# Comment to post when marking an issue as stale. Set to `false` to disable
-markComment: >
-  This issue has been automatically marked as stale because it has not had
-  recent activity. It will be closed if no further activity occurs. Thank you
-  for your contributions.
-  Issues labeled "cncf", "roadmap" and "help wanted" will not be automatically closed.
-  Please refer to a maintainer to get such label added if you think this should be kept open.
-# Comment to post when closing a stale issue. Set to `false` to disable
-closeComment: false
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,5 +1,13 @@
 # Change Log

+## v0.26.2
+
+Released on 2020-11-10
+
+### Major Changes
+
+* update: DRIVERS_REPO now defaults to https://download.falco.org/driver [[#1460](https://github.com/falcosecurity/falco/pull/1460)] - [@leodido](https://github.com/leodido)
+
 ## v0.26.1

 Released on 2020-10-01
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -60,7 +60,7 @@ if(MUSL_OPTIMIZED_BUILD)
  set(MUSL_FLAGS "-static -Os")
 endif()

-set(CMAKE_COMMON_FLAGS "-Wall -pg -ggdb ${DRAIOS_FEATURE_FLAGS} ${MINIMAL_BUILD_FLAGS} ${MUSL_FLAGS}")
+set(CMAKE_COMMON_FLAGS "-Wall -ggdb ${DRAIOS_FEATURE_FLAGS} ${MINIMAL_BUILD_FLAGS} ${MUSL_FLAGS}")

 if(BUILD_WARNINGS_AS_ERRORS)
  set(CMAKE_SUPPRESSED_WARNINGS
@@ -83,7 +83,7 @@ include(GetFalcoVersion)
 set(PACKAGE_NAME "falco")
 set(PROBE_NAME "falco")
 set(PROBE_DEVICE_NAME "falco")
-set(DRIVERS_REPO "https://dl.bintray.com/falcosecurity/driver")
+set(DRIVERS_REPO "https://download.falco.org/driver")
 if(CMAKE_INSTALL_PREFIX_INITIALIZED_TO_DEFAULT)
  set(CMAKE_INSTALL_PREFIX
      /usr
@@ -115,20 +115,8 @@ set(CURSES_NEED_NCURSES TRUE)
 find_package(Curses REQUIRED)
 message(STATUS "Found ncurses: include: ${CURSES_INCLUDE_DIR}, lib: ${CURSES_LIBRARIES}")

-# libb64
-
-set(B64_SRC "${PROJECT_BINARY_DIR}/b64-prefix/src/b64")
-message(STATUS "Using bundled b64 in '${B64_SRC}'")
-set(B64_INCLUDE "${B64_SRC}/include")
-set(B64_LIB "${B64_SRC}/src/libb64.a")
-ExternalProject_Add(
-  b64
-  URL "https://github.com/libb64/libb64/archive/ce864b17ea0e24a91e77c7dd3eb2d1ac4175b3f0.tar.gz"
-  URL_HASH "SHA256=d07173e66f435e5c77dbf81bd9313f8d0e4a3b4edd4105a62f4f8132ba932811"
-  CONFIGURE_COMMAND ""
-  BUILD_COMMAND ${CMD_MAKE}
-  BUILD_IN_SOURCE 1
-  INSTALL_COMMAND "")
+# b64
+include(b64)

 # yaml-cpp
 include(yaml-cpp)
@@ -142,52 +130,16 @@ if(NOT MINIMAL_BUILD)
 endif()

 # LuaJIT
-set(LUAJIT_SRC "${PROJECT_BINARY_DIR}/luajit-prefix/src/luajit/src")
-message(STATUS "Using bundled LuaJIT in '${LUAJIT_SRC}'")
-set(LUAJIT_INCLUDE "${LUAJIT_SRC}")
-set(LUAJIT_LIB "${LUAJIT_SRC}/libluajit.a")
-ExternalProject_Add(
-  luajit
-  URL "https://github.com/LuaJIT/LuaJIT/archive/v2.0.3.tar.gz"
-  URL_HASH "SHA256=8da3d984495a11ba1bce9a833ba60e18b532ca0641e7d90d97fafe85ff014baa"
-  CONFIGURE_COMMAND ""
-  BUILD_COMMAND ${CMD_MAKE}
-  BUILD_IN_SOURCE 1
-  INSTALL_COMMAND "")
+include(luajit)

 # Lpeg
-set(LPEG_SRC "${PROJECT_BINARY_DIR}/lpeg-prefix/src/lpeg")
-set(LPEG_LIB "${PROJECT_BINARY_DIR}/lpeg-prefix/src/lpeg/build/lpeg.a")
-message(STATUS "Using bundled lpeg in '${LPEG_SRC}'")
-set(LPEG_DEPENDENCIES "")
-list(APPEND LPEG_DEPENDENCIES "luajit")
-ExternalProject_Add(
-  lpeg
-  DEPENDS ${LPEG_DEPENDENCIES}
-  URL "http://www.inf.puc-rio.br/~roberto/lpeg/lpeg-1.0.2.tar.gz"
-  URL_HASH "SHA256=48d66576051b6c78388faad09b70493093264588fcd0f258ddaab1cdd4a15ffe"
-  BUILD_COMMAND LUA_INCLUDE=${LUAJIT_INCLUDE} "${PROJECT_SOURCE_DIR}/scripts/build-lpeg.sh" "${LPEG_SRC}/build"
-  BUILD_IN_SOURCE 1
-  CONFIGURE_COMMAND ""
-  INSTALL_COMMAND "")
+include(lpeg)

 # libyaml
 include(libyaml)

 # lyaml
-set(LYAML_SRC "${PROJECT_BINARY_DIR}/lyaml-prefix/src/lyaml/ext/yaml")
-set(LYAML_LIB "${LYAML_SRC}/.libs/yaml.a")
-message(STATUS "Using bundled lyaml in '${LYAML_SRC}'")
-ExternalProject_Add(
-  lyaml
-  DEPENDS luajit libyaml
-  URL "https://github.com/gvvaughan/lyaml/archive/release-v6.0.tar.gz"
-  URL_HASH "SHA256=9d7cf74d776999ff6f758c569d5202ff5da1f303c6f4229d3b41f71cd3a3e7a7"
-  BUILD_COMMAND ${CMD_MAKE}
-  BUILD_IN_SOURCE 1
-  CONFIGURE_COMMAND ./configure --enable-static CFLAGS=-I${LIBYAML_INSTALL_DIR}/include CPPFLAGS=-I${LIBYAML_INSTALL_DIR}/include LDFLAGS=-L${LIBYAML_INSTALL_DIR}/lib LIBS=-lyaml LUA=${LUAJIT_SRC}/luajit LUA_INCLUDE=-I${LUAJIT_INCLUDE}
-  INSTALL_COMMAND sh -c
-                  "cp -R ${PROJECT_BINARY_DIR}/lyaml-prefix/src/lyaml/lib/* ${PROJECT_SOURCE_DIR}/userspace/engine/lua")
+include(lyaml)

 # One TBB
 set(TBB_SRC "${PROJECT_BINARY_DIR}/tbb-prefix/src/tbb")
@@ -220,6 +172,7 @@ if(NOT MINIMAL_BUILD)
    COMMAND ${CMAKE_COMMAND} -E make_directory ${CIVETWEB_SRC}/install/include
    BUILD_IN_SOURCE 1
    BUILD_COMMAND ${CMD_MAKE} COPT="-DNO_FILES" WITH_CPP=1
+    BUILD_BYPRODUCTS ${CIVETWEB_LIB}
    INSTALL_COMMAND ${CMD_MAKE} COPT="-DNO_FILES" install-lib install-headers PREFIX=${CIVETWEB_SRC}/install "WITH_CPP=1")
 endif()

--- a/README.md
+++ b/README.md
@@ -5,7 +5,9 @@

 [![Build Status](https://img.shields.io/circleci/build/github/falcosecurity/falco/master?style=for-the-badge)](https://circleci.com/gh/falcosecurity/falco) [![CII Best Practices Summary](https://img.shields.io/cii/summary/2317?label=CCI%20Best%20Practices&style=for-the-badge)](https://bestpractices.coreinfrastructure.org/projects/2317) [![GitHub](https://img.shields.io/github/license/falcosecurity/falco?style=for-the-badge)](COPYING)

-#### Latest releases
+Want to talk? Join us on the [#falco](https://kubernetes.slack.com/archives/CMWH3EH32) channel in the [Kubernetes Slack](https://slack.k8s.io).
+
+### Latest releases

 Read the [change log](CHANGELOG.md).

@@ -39,7 +41,7 @@ If you would like to run Falco in **production** please adhere to the [official

 Falco is designed to be extensible such that it can be built into cloud-native applications and infrastructure.

-Falco has a [gRPC](https://falco.org/docs/grpc/) endpoint and an API defined in [protobuf](https://github.com/falcosecurity/falco/blob/update-readme/userspace/falco/outputs.proto).
+Falco has a [gRPC](https://falco.org/docs/grpc/) endpoint and an API defined in [protobuf](https://github.com/falcosecurity/falco/blob/master/userspace/falco/outputs.proto).
 The Falco Project supports various SDKs for this endpoint.

 ##### SDKs
@@ -63,6 +65,7 @@ For example, Falco can easily detect incidents including but not limited to:
 - Unexpected read of a sensitive file, such as `/etc/shadow`.
 - A non-device file is written to `/dev`.
 - A standard system binary, such as `ls`, is making an outbound network connection.
+- A privileged pod is started in a Kubernetes cluster.

 ### Documentation

@@ -72,6 +75,13 @@ The [Official Documentation](https://falco.org/docs/) is the best resource to le

 To get involved with The Falco Project please visit [the community repository](https://github.com/falcosecurity/community) to find more.

+How to reach out?
+
+ - Join the #falco channel on the [Kubernetes Slack](https://slack.k8s.io)
+ - [Join the Falco mailing list](https://lists.cncf.io/g/cncf-falco-dev)
+ - [Read the Falco documentation](https://falco.org/docs/)
+
+
 ### Contributing

 See the [CONTRIBUTING.md](https://github.com/falcosecurity/.github/blob/master/CONTRIBUTING.md).
@@ -94,4 +104,4 @@ Falco is licensed to you under the [Apache 2.0](./COPYING) open source license.
 [3]: https://dl.bintray.com/falcosecurity/deb-dev/stable
 [4]: https://dl.bintray.com/falcosecurity/deb/stable
 [5]: https://dl.bintray.com/falcosecurity/bin-dev/x86_64
-[6]: https://dl.bintray.com/falcosecurity/bin/x86_64
+[6]: https://dl.bintray.com/falcosecurity/bin/x86_64
--- a/brand/README.md
+++ b/brand/README.md
@@ -11,9 +11,8 @@ Content in this document can be used to publically share about Falco.

 ### Logo

-There are 3 logos available for use in this directory. Use the primary logo unless required otherwise due to background issues, or printing.
-
-The Falco logo is Apache 2 licensed and free to use in media and publication for the CNCF Falco project.
+You can find the Falco logo in PNG and SVG in different colors in
+the [CNCF's artwork repository](https://github.com/cncf/artwork/blob/master/examples/incubating.md#falco-logos).

 ### Colors

--- a/brand/primary-logo.png
+++ b/brand/primary-logo.png
--- a/brand/teal-logo.svg
+++ b/brand/teal-logo.svg
@@ -1 +0,0 @@
-<svg id="Layer_1" data-name="Layer 1" xmlns="http://www.w3.org/2000/svg" viewBox="0 0 708.41 374.92"><defs><style>.cls-1{fill:#00b4c8;}</style></defs><title>Falco horizontal logo_teal2</title><g id="fqqZXT"><path class="cls-1" d="M204.69,154.4Q151.5,208,98,261.25a48.42,48.42,0,0,1-5.27,4.87c-2.55,1.89-5.34,2-7.65-.45s-1.51-5,.41-7.06c4.6-4.94,9.35-9.74,14.13-14.5q52.56-52.31,105.14-104.59c3.35-3.34,18.05,7.52,21.58,11.1"/><path class="cls-1" d="M215.06,171.36c-.15,2.14-1.54,3.55-2.93,4.94l-87.82,87.79c-2.75,2.74-6,5.42-9.46,1.68-3.15-3.39-.5-6.44,2.06-9q43.44-43.44,86.89-86.87c2.21-2.22,4.58-4.23,8-3A4.61,4.61,0,0,1,215.06,171.36Z"/><path class="cls-1" d="M70.93,71c2.42-.09,4.09,1.31,5.64,2.87q41.82,41.79,83.61,83.59c2.6,2.61,5,5.74,1.69,9s-6.41,1-9-1.66Q111,123,69.25,81.2c-2.09-2.1-3.72-4.39-2.45-7.53A4.34,4.34,0,0,1,70.93,71Z"/><path class="cls-1" d="M203.42,268c-5,1-8.9-1.34-12.45-5-6.35-6.61-12.87-13-19.41-19.46-3.85-3.8-4-7.41-.14-11.28,11.14-11.07,22.21-22.21,33.35-33.29,2.45-2.44,5.43-4.49,8.55-1.55,3.48,3.29,1.19,6.41-1.39,9-8.74,8.84-17.44,17.73-26.4,26.35-3.4,3.27-3.93,5.72-.19,9.06,4.22,3.78,8.13,7.91,12,12,2.54,2.68,5.35,4.25,9.18,4.11s8.28-.12,8.16,5.09c-.12,5-4.74,4.8-8.4,5.14A21,21,0,0,1,203.42,268Z"/><path class="cls-1" d="M148.7,178.36c-.75,3.49-2.68,5.6-6.43,4.36a13,13,0,0,1-4.74-3.31q-30.11-30-60.1-60a23.14,23.14,0,0,1-2.56-3c-1.72-2.42-1.88-5,.3-7.11s4.84-1.76,7,.26c3.65,3.42,7.17,7,10.71,10.53q25.65,25.64,51.28,51.3C146.12,173.37,148.49,175.13,148.7,178.36Z"/><path class="cls-1" d="M133.74,192.93a4.9,4.9,0,0,1-2.53,4.29,5.37,5.37,0,0,1-6.63-.95c-3.35-3.1-6.57-6.34-9.8-9.57q-14.34-14.3-28.61-28.63a34.27,34.27,0,0,1-4.17-5,4.57,4.57,0,0,1,.36-6,5,5,0,0,1,6-1.12,11.65,11.65,0,0,1,3.7,2.58q19.44,19.33,38.79,38.76C132.4,188.85,133.77,190.54,133.74,192.93Z"/></g><path class="cls-1" d="M413.15,190.86a25.57,25.57,0,0,0-10.35-6.63,46.78,46.78,0,0,0-16-2.37A83.35,83.35,0,0,0,372,183.12a75.16,75.16,0,0,0-10.58,2.53l2.37,15.48a53.47,53.47,0,0,1,9-2.21A72.44,72.44,0,0,1,385,198a22.61,22.61,0,0,1,8.13,1.26,13,13,0,0,1,5.22,3.56,13.23,13.23,0,0,1,2.76,5.29,24.6,24.6,0,0,1,.79,6.32v3.16a61.65,61.65,0,0,0-7.42-1.34,57.43,57.43,0,0,0-6.64-.4,61.45,61.45,0,0,0-13,1.35,32.26,32.26,0,0,0-11,4.42,22.7,22.7,0,0,0-7.51,8,24.09,24.09,0,0,0-2.76,12A28.39,28.39,0,0,0,356,254.05a21.6,21.6,0,0,0,6.79,8.22,28.56,28.56,0,0,0,10.51,4.58,60.24,60.24,0,0,0,13.58,1.42A137.25,137.25,0,0,0,407,266.93c5.94-.9,10.4-1.66,13.35-2.29V214.56a50.84,50.84,0,0,0-1.66-13.35A24.93,24.93,0,0,0,413.15,190.86Zm-11.3,61.3a71.4,71.4,0,0,1-13.43.94q-7.26,0-11.53-2.6t-4.26-9.4a10,10,0,0,1,1.57-5.77,10.67,10.67,0,0,1,4.19-3.55,20.18,20.18,0,0,1,5.85-1.74,43.43,43.43,0,0,1,6.39-.47,42.23,42.23,0,0,1,6.64.47,37,37,0,0,1,4.58,1Z"/><path class="cls-1" d="M461.38,248.44a9.27,9.27,0,0,1-2-4,26.17,26.17,0,0,1-.55-5.85V143.94l-19.12,3.16v95.1a40.74,40.74,0,0,0,1.35,11,17.57,17.57,0,0,0,4.66,8.06,21.71,21.71,0,0,0,8.92,5,52,52,0,0,0,14.14,1.89l2.69-15.8a29.78,29.78,0,0,1-6.24-1.34A8.76,8.76,0,0,1,461.38,248.44Z"/><path class="cls-1" d="M532.2,251.05a49.24,49.24,0,0,1-9.64.95q-13.11,0-18.64-7.19t-5.53-19.51q0-12.8,5.85-19.83t17.06-7a40.4,40.4,0,0,1,8.92.95,43.38,43.38,0,0,1,7.51,2.37l4.1-15.64a57.88,57.88,0,0,0-22.11-4.26,42.15,42.15,0,0,0-17.06,3.31,37.35,37.35,0,0,0-12.88,9.17,40.64,40.64,0,0,0-8.14,13.82,50.82,50.82,0,0,0-2.84,17.14,56.83,56.83,0,0,0,2.53,17.3A37.22,37.22,0,0,0,489,256.34a34.82,34.82,0,0,0,13,9,47.83,47.83,0,0,0,18.4,3.24,68.05,68.05,0,0,0,13.19-1.27,39.84,39.84,0,0,0,9.56-2.84l-2.69-15.8A45,45,0,0,1,532.2,251.05Z"/><path class="cls-1" d="M625.77,207.37a40.7,40.7,0,0,0-8.14-13.67,35.23,35.23,0,0,0-12.56-8.76,40.93,40.93,0,0,0-16-3.08,40.34,40.34,0,0,0-16,3.08,36.32,36.32,0,0,0-12.56,8.76,39.88,39.88,0,0,0-8.21,13.67,51.31,51.31,0,0,0-2.93,17.77A52,52,0,0,0,552.31,243a40.47,40.47,0,0,0,8.13,13.75,36.57,36.57,0,0,0,12.48,8.85A40.14,40.14,0,0,0,589,268.74a40.69,40.69,0,0,0,16.19-3.15,36.32,36.32,0,0,0,12.56-8.85A39.7,39.7,0,0,0,625.85,243a53.47,53.47,0,0,0,2.84-17.85A51.55,51.55,0,0,0,625.77,207.37Zm-22,37.52q-5.29,7.28-14.77,7.27t-14.77-7.27q-5.29-7.26-5.3-19.75,0-12.31,5.3-19.51T589,198.44q9.48,0,14.77,7.19t5.29,19.51Q609.1,237.62,603.81,244.89Z"/><path class="cls-1" d="M347.24,218h-47.8v50.57H279.65V150h75.89v15.88h-56.1v36.23h47.8Z"/></svg>
--- a/brand/white-logo.png
+++ b/brand/white-logo.png
--- a/cmake/modules/CPackConfig.cmake
+++ b/cmake/modules/CPackConfig.cmake
@@ -30,9 +30,15 @@ if(NOT CPACK_GENERATOR)
 endif()

 message(STATUS "Using package generators: ${CPACK_GENERATOR}")
-
+message(STATUS "Package architecture: ${CMAKE_SYSTEM_PROCESSOR}")
 set(CPACK_DEBIAN_PACKAGE_SECTION "utils")
-set(CPACK_DEBIAN_PACKAGE_ARCHITECTURE "amd64")
+
+if(${CMAKE_SYSTEM_PROCESSOR} STREQUAL "x86_64")
+  set(CPACK_DEBIAN_PACKAGE_ARCHITECTURE "amd64")
+endif()
+if(${CMAKE_SYSTEM_PROCESSOR} STREQUAL "aarch64")
+  set(CPACK_DEBIAN_PACKAGE_ARCHITECTURE "arm64")
+endif()
 set(CPACK_DEBIAN_PACKAGE_HOMEPAGE "https://www.falco.org")
 set(CPACK_DEBIAN_PACKAGE_DEPENDS "dkms (>= 2.1.0.0)")
 set(CPACK_DEBIAN_PACKAGE_CONTROL_EXTRA
--- a/cmake/modules/b64.cmake
+++ b/cmake/modules/b64.cmake
@@ -0,0 +1,27 @@
+#
+# Copyright (C) 2020 The Falco Authors.
+#
+# Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with
+# the License. You may obtain a copy of the License at
+#
+# http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on an
+# "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License for the
+# specific language governing permissions and limitations under the License.
+#
+
+set(B64_SRC "${PROJECT_BINARY_DIR}/b64-prefix/src/b64")
+message(STATUS "Using bundled b64 in '${B64_SRC}'")
+set(B64_INCLUDE "${B64_SRC}/include")
+set(B64_LIB "${B64_SRC}/src/libb64.a")
+externalproject_add(
+  b64
+  URL "https://github.com/libb64/libb64/archive/ce864b17ea0e24a91e77c7dd3eb2d1ac4175b3f0.tar.gz"
+  URL_HASH "SHA256=d07173e66f435e5c77dbf81bd9313f8d0e4a3b4edd4105a62f4f8132ba932811"
+  CONFIGURE_COMMAND ""
+  BUILD_COMMAND ${CMD_MAKE}
+  BUILD_IN_SOURCE 1
+  BUILD_BYPRODUCTS ${B64_LIB}
+  INSTALL_COMMAND ""
+)
--- a/cmake/modules/gRPC.cmake
+++ b/cmake/modules/gRPC.cmake
@@ -115,7 +115,7 @@ else()
    grpc
    DEPENDS openssl
    GIT_REPOSITORY https://github.com/grpc/grpc.git
-    GIT_TAG v1.31.1
+    GIT_TAG v1.32.0
    GIT_SUBMODULES "third_party/protobuf third_party/zlib third_party/cares/cares third_party/abseil-cpp third_party/re2"
    BUILD_IN_SOURCE 1
    BUILD_BYPRODUCTS ${GRPC_LIB} ${GRPCPP_LIB}
--- a/cmake/modules/libyaml.cmake
+++ b/cmake/modules/libyaml.cmake
@@ -15,12 +15,13 @@ set(LIBYAML_SRC "${PROJECT_BINARY_DIR}/libyaml-prefix/src/libyaml")
 set(LIBYAML_INSTALL_DIR "${LIBYAML_SRC}/target")
 message(STATUS "Using bundled libyaml in '${LIBYAML_SRC}'")
 set(LIBYAML_LIB "${LIBYAML_SRC}/src/.libs/libyaml.a")
-ExternalProject_Add(
-libyaml
-URL "https://github.com/yaml/libyaml/releases/download/0.2.5/yaml-0.2.5.tar.gz"
-URL_HASH "SHA256=c642ae9b75fee120b2d96c712538bd2cf283228d2337df2cf2988e3c02678ef4"
-CONFIGURE_COMMAND ./configure --prefix=${LIBYAML_INSTALL_DIR} CFLAGS=-fPIC CPPFLAGS=-fPIC --enable-static=true --enable-shared=false
-BUILD_COMMAND ${CMD_MAKE} 
-BUILD_IN_SOURCE 1
-INSTALL_COMMAND ${CMD_MAKE} install)
-
+externalproject_add(
+  libyaml
+  URL "https://github.com/yaml/libyaml/releases/download/0.2.5/yaml-0.2.5.tar.gz"
+  URL_HASH "SHA256=c642ae9b75fee120b2d96c712538bd2cf283228d2337df2cf2988e3c02678ef4"
+  CONFIGURE_COMMAND ./configure --prefix=${LIBYAML_INSTALL_DIR} CFLAGS=-fPIC CPPFLAGS=-fPIC --enable-static=true --enable-shared=false
+  BUILD_COMMAND ${CMD_MAKE}
+  BUILD_IN_SOURCE 1
+  BUILD_BYPRODUCTS ${LIBYAML_LIB}
+  INSTALL_COMMAND ${CMD_MAKE} install
+)
--- a/cmake/modules/lpeg.cmake
+++ b/cmake/modules/lpeg.cmake
@@ -0,0 +1,28 @@
+#
+# Copyright (C) 2020 The Falco Authors.
+#
+# Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with
+# the License. You may obtain a copy of the License at
+#
+# http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on an
+# "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License for the
+# specific language governing permissions and limitations under the License.
+#
+
+set(LPEG_SRC "${PROJECT_BINARY_DIR}/lpeg-prefix/src/lpeg")
+set(LPEG_LIB "${PROJECT_BINARY_DIR}/lpeg-prefix/src/lpeg/build/lpeg.a")
+message(STATUS "Using bundled lpeg in '${LPEG_SRC}'")
+set(LPEG_DEPENDENCIES "")
+list(APPEND LPEG_DEPENDENCIES "luajit")
+ExternalProject_Add(
+  lpeg
+  DEPENDS ${LPEG_DEPENDENCIES}
+  URL "http://www.inf.puc-rio.br/~roberto/lpeg/lpeg-1.0.2.tar.gz"
+  URL_HASH "SHA256=48d66576051b6c78388faad09b70493093264588fcd0f258ddaab1cdd4a15ffe"
+  BUILD_COMMAND LUA_INCLUDE=${LUAJIT_INCLUDE} "${PROJECT_SOURCE_DIR}/scripts/build-lpeg.sh" "${LPEG_SRC}/build"
+  BUILD_IN_SOURCE 1
+  BUILD_BYPRODUCTS ${LPEG_LIB}
+  CONFIGURE_COMMAND ""
+  INSTALL_COMMAND "")
--- a/cmake/modules/luajit.cmake
+++ b/cmake/modules/luajit.cmake
@@ -0,0 +1,27 @@
+#
+# Copyright (C) 2020 The Falco Authors.
+#
+# Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with
+# the License. You may obtain a copy of the License at
+#
+# http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on an
+# "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License for the
+# specific language governing permissions and limitations under the License.
+#
+
+set(LUAJIT_SRC "${PROJECT_BINARY_DIR}/luajit-prefix/src/luajit/src")
+message(STATUS "Using bundled LuaJIT in '${LUAJIT_SRC}'")
+set(LUAJIT_INCLUDE "${LUAJIT_SRC}")
+set(LUAJIT_LIB "${LUAJIT_SRC}/libluajit.a")
+externalproject_add(
+  luajit
+  GIT_REPOSITORY "https://github.com/LuaJIT/LuaJIT"
+  GIT_TAG "1d8b747c161db457e032a023ebbff511f5de5ec2"
+  CONFIGURE_COMMAND ""
+  BUILD_COMMAND ${CMD_MAKE}
+  BUILD_IN_SOURCE 1
+  BUILD_BYPRODUCTS ${LUAJIT_LIB}
+  INSTALL_COMMAND ""
+)
--- a/cmake/modules/lyaml.cmake
+++ b/cmake/modules/lyaml.cmake
@@ -0,0 +1,28 @@
+#
+# Copyright (C) 2020 The Falco Authors.
+#
+# Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with
+# the License. You may obtain a copy of the License at
+#
+# http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on an
+# "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License for the
+# specific language governing permissions and limitations under the License.
+#
+
+set(LYAML_SRC "${PROJECT_BINARY_DIR}/lyaml-prefix/src/lyaml/ext/yaml")
+set(LYAML_LIB "${LYAML_SRC}/.libs/yaml.a")
+message(STATUS "Using bundled lyaml in '${LYAML_SRC}'")
+externalproject_add(
+  lyaml
+  DEPENDS luajit libyaml
+  URL "https://github.com/gvvaughan/lyaml/archive/release-v6.0.tar.gz"
+  URL_HASH "SHA256=9d7cf74d776999ff6f758c569d5202ff5da1f303c6f4229d3b41f71cd3a3e7a7"
+  BUILD_COMMAND ${CMD_MAKE}
+  BUILD_IN_SOURCE 1
+  BUILD_BYPRODUCTS ${LYAML_LIB}
+  CONFIGURE_COMMAND ./configure --enable-static CFLAGS=-I${LIBYAML_INSTALL_DIR}/include CPPFLAGS=-I${LIBYAML_INSTALL_DIR}/include LDFLAGS=-L${LIBYAML_INSTALL_DIR}/lib LIBS=-lyaml LUA=${LUAJIT_SRC}/luajit LUA_INCLUDE=-I${LUAJIT_INCLUDE}
+  INSTALL_COMMAND sh -c
+  "cp -R ${PROJECT_BINARY_DIR}/lyaml-prefix/src/lyaml/lib/* ${PROJECT_SOURCE_DIR}/userspace/engine/lua"
+)
--- a/cmake/modules/sysdig-repo/CMakeLists.txt
+++ b/cmake/modules/sysdig-repo/CMakeLists.txt
@@ -1,5 +1,5 @@
 #
-# Copyright (C) 2019 The Falco Authors.
+# Copyright (C) 2020 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
@@ -25,4 +25,4 @@ ExternalProject_Add(
  BUILD_COMMAND ""
  INSTALL_COMMAND ""
  TEST_COMMAND ""
-  PATCH_COMMAND patch -p1 -i ${CMAKE_CURRENT_SOURCE_DIR}/patch/libscap.patch)
+  PATCH_COMMAND patch -p1 -i ${CMAKE_CURRENT_SOURCE_DIR}/patch/libscap.patch && patch -p1 -i ${CMAKE_CURRENT_SOURCE_DIR}/patch/luajit.patch)
--- a/cmake/modules/sysdig-repo/patch/libscap.patch
+++ b/cmake/modules/sysdig-repo/patch/libscap.patch
@@ -1,8 +1,8 @@
 diff --git a/userspace/libscap/scap.c b/userspace/libscap/scap.c
-index e9faea51..a1b3b501 100644
+index 6f51588e..5f9ea84e 100644
 --- a/userspace/libscap/scap.c
 +++ b/userspace/libscap/scap.c
-@@ -52,7 +52,7 @@ limitations under the License.
+@@ -55,7 +55,7 @@ limitations under the License.
 //#define NDEBUG
 #include <assert.h>
 
@@ -11,7 +11,16 @@ index e9faea51..a1b3b501 100644
 
 //
 // Probe version string size
-@@ -171,7 +171,7 @@ scap_t* scap_open_live_int(char *error, int32_t *rc,
+@@ -114,7 +114,7 @@ scap_t* scap_open_udig_int(char *error, int32_t *rc,
+ static uint32_t get_max_consumers()
+ {
+ 	uint32_t max;
+-	FILE *pfile = fopen("/sys/module/" PROBE_DEVICE_NAME "_probe/parameters/max_consumers", "r");
+	FILE *pfile = fopen("/sys/module/" PROBE_DEVICE_NAME "/parameters/max_consumers", "r");
+ 	if(pfile != NULL)
+ 	{
+ 		int w = fscanf(pfile, "%"PRIu32, &max);
+@@ -186,7 +186,7 @@ scap_t* scap_open_live_int(char *error, int32_t *rc,
 				return NULL;
 			}
 
@@ -20,7 +29,27 @@ index e9faea51..a1b3b501 100644
 			bpf_probe = buf;
 		}
 	}
-@@ -1808,7 +1808,7 @@ int32_t scap_disable_dynamic_snaplen(scap_t* handle)
+@@ -344,7 +344,7 @@ scap_t* scap_open_live_int(char *error, int32_t *rc,
+ 				else if(errno == EBUSY)
+ 				{
+ 					uint32_t curr_max_consumers = get_max_consumers();
+-					snprintf(error, SCAP_LASTERR_SIZE, "Too many sysdig instances attached to device %s. Current value for /sys/module/" PROBE_DEVICE_NAME "_probe/parameters/max_consumers is '%"PRIu32"'.", filename, curr_max_consumers);
+					snprintf(error, SCAP_LASTERR_SIZE, "Too many Falco instances attached to device %s. Current value for /sys/module/" PROBE_DEVICE_NAME "/parameters/max_consumers is '%"PRIu32"'.", filename, curr_max_consumers);
+ 				}
+ 				else
+ 				{
+@@ -579,8 +579,8 @@ scap_t* scap_open_udig_int(char *error, int32_t *rc,
+ 	//
+ 	// Map the ppm_ring_buffer_info that contains the buffer pointers
+ 	//
+-	if(udig_alloc_ring_descriptors(&(handle->m_devs[0].m_bufinfo_fd), 
+-		&handle->m_devs[0].m_bufinfo, 
+	if(udig_alloc_ring_descriptors(&(handle->m_devs[0].m_bufinfo_fd),
+		&handle->m_devs[0].m_bufinfo,
+ 		&handle->m_devs[0].m_bufstatus,
+ 		error) != SCAP_SUCCESS)
+ 	{
+@@ -2175,7 +2175,7 @@ int32_t scap_disable_dynamic_snaplen(scap_t* handle)
 
 const char* scap_get_host_root()
 {
--- a/cmake/modules/sysdig-repo/patch/luajit.patch
+++ b/cmake/modules/sysdig-repo/patch/luajit.patch
@@ -0,0 +1,57 @@
+diff --git a/userspace/libsinsp/chisel.cpp b/userspace/libsinsp/chisel.cpp
+index 0a6e3cf8..0c2e255a 100644
+--- a/userspace/libsinsp/chisel.cpp
+++ b/userspace/libsinsp/chisel.cpp
+@@ -98,7 +98,7 @@ void lua_stackdump(lua_State *L)
+ // Lua callbacks
+ ///////////////////////////////////////////////////////////////////////////////
+ #ifdef HAS_LUA_CHISELS
+-const static struct luaL_reg ll_sysdig [] =
+const static struct luaL_Reg ll_sysdig [] =
+ {
+ 	{"set_filter", &lua_cbacks::set_global_filter},
+ 	{"set_snaplen", &lua_cbacks::set_snaplen},
+@@ -134,7 +134,7 @@ const static struct luaL_reg ll_sysdig [] =
+ 	{NULL,NULL}
+ };
+ 
+-const static struct luaL_reg ll_chisel [] =
+const static struct luaL_Reg ll_chisel [] =
+ {
+ 	{"request_field", &lua_cbacks::request_field},
+ 	{"set_filter", &lua_cbacks::set_filter},
+@@ -146,7 +146,7 @@ const static struct luaL_reg ll_chisel [] =
+ 	{NULL,NULL}
+ };
+ 
+-const static struct luaL_reg ll_evt [] =
+const static struct luaL_Reg ll_evt [] =
+ {
+ 	{"field", &lua_cbacks::field},
+ 	{"get_num", &lua_cbacks::get_num},
+diff --git a/userspace/libsinsp/lua_parser.cpp b/userspace/libsinsp/lua_parser.cpp
+index 0e26617d..78810d96 100644
+--- a/userspace/libsinsp/lua_parser.cpp
+++ b/userspace/libsinsp/lua_parser.cpp
+@@ -32,7 +32,7 @@ extern "C" {
+ #include "lauxlib.h"
+ }
+ 
+-const static struct luaL_reg ll_filter [] =
+const static struct luaL_Reg ll_filter [] =
+ {
+ 	{"rel_expr", &lua_parser_cbacks::rel_expr},
+ 	{"bool_op", &lua_parser_cbacks::bool_op},
+diff --git a/userspace/libsinsp/lua_parser_api.cpp b/userspace/libsinsp/lua_parser_api.cpp
+index c89e9126..c3d8008a 100644
+--- a/userspace/libsinsp/lua_parser_api.cpp
+++ b/userspace/libsinsp/lua_parser_api.cpp
+@@ -266,7 +266,7 @@ int lua_parser_cbacks::rel_expr(lua_State *ls)
+ 					string err = "Got non-table as in-expression operand\n";
+ 					throw sinsp_exception("parser API error");
+ 				}
+-				int n = luaL_getn(ls, 4);  /* get size of table */
+				int n = lua_objlen (ls, 4);  /* get size of table */
+ 				for (i=1; i<=n; i++)
+ 				{
+ 					lua_rawgeti(ls, 4, i);
--- a/cmake/modules/sysdig.cmake
+++ b/cmake/modules/sysdig.cmake
@@ -29,8 +29,8 @@ file(MAKE_DIRECTORY ${SYSDIG_CMAKE_WORKING_DIR})
 # default below In case you want to test against another sysdig version just pass the variable - ie., `cmake
 # -DSYSDIG_VERSION=dev ..`
 if(NOT SYSDIG_VERSION)
-  set(SYSDIG_VERSION "2aa88dcf6243982697811df4c1b484bcbe9488a2")
-  set(SYSDIG_CHECKSUM "SHA256=a737077543a6f3473ab306b424bcf7385d788149829ed1538252661b0f20d0f6")
+  set(SYSDIG_VERSION "5c0b863ddade7a45568c0ac97d037422c9efb750")
+  set(SYSDIG_CHECKSUM "SHA256=9de717b3a4b611ea6df56afee05171860167112f74bb7717b394bcc88ac843cd")
 endif()
 set(PROBE_VERSION "${SYSDIG_VERSION}")

@@ -57,6 +57,7 @@ add_subdirectory("${SYSDIG_SOURCE_DIR}/driver" "${PROJECT_BINARY_DIR}/driver")
 # Add libscap directory
 add_definitions(-D_GNU_SOURCE)
 add_definitions(-DHAS_CAPTURE)
+add_definitions(-DNOCURSESUI)
 if(MUSL_OPTIMIZED_BUILD)
  add_definitions(-DMUSL_OPTIMIZED)
 endif()
--- a/docker/driver-loader/Dockerfile
+++ b/docker/driver-loader/Dockerfile
@@ -3,7 +3,7 @@ FROM falcosecurity/falco:${FALCO_IMAGE_TAG}

 LABEL maintainer="cncf-falco-dev@lists.cncf.io"

-LABEL usage="docker run -i -t -v /dev:/host/dev -v /proc:/host/proc:ro -v /boot:/host/boot:ro -v /lib/modules:/host/lib/modules:ro -v /usr:/host/usr:ro --name NAME IMAGE"
+LABEL usage="docker run -i -t --privileged -v /root/.falco:/root/.falco -v /proc:/host/proc:ro -v /boot:/host/boot:ro -v /lib/modules:/host/lib/modules:ro -v /usr:/host/usr:ro -v /etc:/host/etc:ro --name NAME IMAGE"

 ENV HOST_ROOT /host
 ENV HOME /root
--- a/docker/falco/Dockerfile
+++ b/docker/falco/Dockerfile
@@ -2,7 +2,7 @@ FROM debian:stable

 LABEL maintainer="cncf-falco-dev@lists.cncf.io"

-LABEL usage="docker run -i -t -v /var/run/docker.sock:/host/var/run/docker.sock -v /dev:/host/dev -v /proc:/host/proc:ro -v /boot:/host/boot:ro -v /lib/modules:/host/lib/modules:ro -v /usr:/host/usr:ro --name NAME IMAGE"
+LABEL usage="docker run -i -t --privileged -v /var/run/docker.sock:/host/var/run/docker.sock -v /dev:/host/dev -v /proc:/host/proc:ro -v /boot:/host/boot:ro -v /lib/modules:/host/lib/modules:ro -v /usr:/host/usr:ro -v /etc:/host/etc --name NAME IMAGE"

 ARG FALCO_VERSION=latest
 ARG VERSION_BUCKET=deb
--- a/docker/no-driver/Dockerfile
+++ b/docker/no-driver/Dockerfile
@@ -1,7 +1,5 @@
 FROM ubuntu:18.04 as ubuntu

-LABEL maintainer="cncf-falco-dev@lists.cncf.io"
-
 ARG FALCO_VERSION
 ARG VERSION_BUCKET=bin

@@ -22,6 +20,14 @@ RUN sed -e 's/time_format_iso_8601: false/time_format_iso_8601: true/' < /falco/

 FROM scratch

+LABEL maintainer="cncf-falco-dev@lists.cncf.io"
+
+LABEL usage="docker run -i -t --privileged -v /var/run/docker.sock:/host/var/run/docker.sock -v /dev:/host/dev -v /proc:/host/proc:ro --name NAME IMAGE"
+# NOTE: for the "least privileged" use case, please refer to the official documentation
+
+ENV HOST_ROOT /host
+ENV HOME /root
+
 COPY --from=ubuntu /falco /

 CMD ["/usr/bin/falco", "-o", "time_format_iso_8601=true"]
--- a/falco.yaml
+++ b/falco.yaml
@@ -28,7 +28,10 @@
 # The files will be read in the order presented here, so make sure if
 # you have overrides they appear in later files.
 rules_file:
-  - /tmp/falco
+  - /etc/falco/falco_rules.yaml
+  - /etc/falco/falco_rules.local.yaml
+  - /etc/falco/k8s_audit_rules.yaml
+  - /etc/falco/rules.d

 # If true, the times displayed in log messages and output messages
 # will be in ISO 8601. By default, times are displayed in the local
@@ -84,6 +87,23 @@ syscall_event_drops:
  rate: .03333
  max_burst: 10

+# Falco continuously monitors outputs performance. When an output channel does not allow
+# to deliver an alert within a given deadline, an error is reported indicating
+# which output is blocking notifications.
+# The timeout error will be reported to the log according to the above log_* settings.
+# Note that the notification will not be discarded from the output queue; thus,
+# output channels may indefinitely remain blocked.
+# An output timeout error indeed indicate a misconfiguration issue or I/O problems
+# that cannot be recovered by Falco and should be fixed by the user.
+#
+# The "output_timeout" value specifies the duration in milliseconds to wait before
+# considering the deadline exceed.
+#
+# With a 2000ms default, the notification consumer can block the Falco output
+# for up to 2 seconds without reaching the timeout.
+
+output_timeout: 2000
+
 # A throttling mechanism implemented as a token bucket limits the
 # rate of falco notifications. This throttling is controlled by the following configuration
 # options:
--- a/proposals/20201025-drivers-storage-s3.md
+++ b/proposals/20201025-drivers-storage-s3.md
@@ -1,5 +1,9 @@
 # Falco Drivers Storage S3

+Supersedes: [20200818-artifacts-storage.md#drivers](20200818-artifacts-storage.md#drivers)
+
+Supersedes: [20200901-artifacts-cleanup.md#drivers](20200901-artifacts-cleanup.md#drivers)
+
 ## Introduction

 In the past days, as many people probably noticed, Bintray started rate-limiting our users, effectively preventing them from downloading any kernel module, rpm/deb package or any pre-built dependency we host there.
@@ -41,7 +45,7 @@ Before today, we had many issues with storage even without the spike in users we

 ## Context on AWS

-Amazon AWS, recently gave credits to the Falco project to operate some parts of the infrastructure on AWS. The CNCF is providing a sub-account we are already using for the migration of the other pieces (like Prow). 
+Amazon AWS, recently gave credits to the Falco project to operate some parts of the infrastructure on AWS. The CNCF is providing a sub-account we are already using for the migration of the other pieces (like Prow).

 ## Interactions with other teams and the CNCF

@@ -55,7 +59,7 @@ We want to propose to move the drivers and the container dependencies to S3.

 #### Moving means:

-* We create a public S3 bucket with[ stats enabled](https://docs.aws.amazon.com/AmazonS3/latest/dev/analytics-storage-class.html)
+* We create a public S3 bucket with [stats enabled](https://docs.aws.amazon.com/AmazonS3/latest/dev/analytics-storage-class.html)

 * We attach the bucket to a cloudfront distribution behind the download.falco.org subdomain

@@ -113,7 +117,7 @@ export DRIVERS_REPO=https://your-url-here

 Pass it as environment variable using the docker run flag -e - for example:

-docker run -e DRIVERS_REPO=[https://your-url-here](https://your-url-here) 
+docker run -e DRIVERS_REPO=[https://your-url-here](https://your-url-here)

 **Kubernetes**

--- a/rules/falco_rules.yaml
+++ b/rules/falco_rules.yaml
@@ -1213,6 +1213,9 @@
       fd.name startswith /etc/ssh/ssh_monitor_config_ or
       fd.name startswith /etc/ssh/ssh_config_))

+- macro: multipath_writing_conf
+  condition: (proc.name = multipath and fd.name startswith /etc/multipath/)
+
 # Add conditions to this macro (probably in a separate file,
 # overwriting this macro) to allow for specific combinations of
 # programs writing below specific directories below
@@ -1333,6 +1336,7 @@
    and not automount_using_mtab
    and not mcafee_writing_cma_d
    and not avinetworks_supervisor_writing_ssh
+    and not multipath_writing_conf

 - rule: Write below etc
  desc: an attempt to write to any file below /etc
@@ -1866,6 +1870,7 @@
 - list: falco_privileged_images
  items: [
    docker.io/calico/node,
+    calico/node,
    docker.io/cloudnativelabs/kube-router,
    docker.io/docker/ucp-agent,
    docker.io/falcosecurity/falco,
@@ -2314,6 +2319,9 @@
 - macro: user_known_user_management_activities
  condition: (never_true)

+- macro: chage_list
+  condition: (proc.name=chage and (proc.cmdline contains "-l" or proc.cmdline contains "--list"))
+
 - rule: User mgmt binaries
  desc: >
    activity by any programs that can manage users, passwords, or permissions. sudo and su are excluded.
@@ -2332,6 +2340,7 @@
    not run_by_yum and
    not run_by_ms_oms and
    not run_by_google_accounts_daemon and
+    not chage_list and
    not user_known_user_management_activities
  output: >
    User management binary command run outside of container
@@ -2425,9 +2434,9 @@
 - rule: Contact K8S API Server From Container
  desc: Detect attempts to contact the K8S API Server from a container
  condition: >
-    evt.type=connect and evt.dir=< and
+    evt.type=connect and evt.dir=< and 
    (fd.typechar=4 or fd.typechar=6) and
-    container and
+    container and 
    not k8s_containers and
    k8s_api_server and
    not user_known_contact_k8s_api_server_activities
@@ -2647,7 +2656,7 @@
 - rule: Delete or rename shell history
  desc: Detect shell history deletion
  condition: >
-      (modify_shell_history or truncate_shell_history) and
+    (modify_shell_history or truncate_shell_history) and
       not var_lib_docker_filepath and
       not proc.name in (docker_binaries)
  output: >
@@ -2863,12 +2872,22 @@
 - list: k8s_client_binaries
  items: [docker, kubectl, crictl]

+- list: user_known_k8s_ns_kube_system_images
+  items: [
+      k8s.gcr.io/fluentd-gcp-scaler,
+      k8s.gcr.io/node-problem-detector/node-problem-detector
+  ]
+
+- list: user_known_k8s_images
+  items: [
+      mcr.microsoft.com/aks/hcp/hcp-tunnel-front
+  ]
+
 # Whitelist for known docker client binaries run inside container
 # - k8s.gcr.io/fluentd-gcp-scaler in GCP/GKE
 - macro: user_known_k8s_client_container
  condition: >
-    (k8s.ns.name="kube-system" and container.image.repository=k8s.gcr.io/fluentd-gcp-scaler) or
-    container.image.repository=mcr.microsoft.com/aks/hcp/hcp-tunnel-front
+    (k8s.ns.name="kube-system" and container.image.repository in (user_known_k8s_ns_kube_system_images)) or container.image.repository in (user_known_k8s_images)

 - macro: user_known_k8s_client_container_parens
  condition: (user_known_k8s_client_container)
@@ -2881,7 +2900,7 @@
  tags: [container, mitre_execution]


-# This rule is enabled by default.
+# This rule is enabled by default. 
 # If you want to disable it, modify the following macro.
 - macro: consider_packet_socket_communication
  condition: (always_true)
@@ -3041,6 +3060,32 @@
  priority: WARNING
  tags: [network]

+- list: white_listed_modules
+  items: []
+    
+- rule: Linux Kernel Module Injection Detected
+  desc: Detect kernel module was injected (from container).
+  condition: spawned_process and container and proc.name=insmod and not proc.args in (white_listed_modules)
+  output: Linux Kernel Module injection using insmod detected (user=%user.name user_loginuid=%user.loginuid parent_process=%proc.pname module=%proc.args)
+  priority: WARNING
+  tags: [process]
+
+- list: run_as_root_image_list
+  items: []
+
+- macro: user_known_run_as_root_container
+  condition: (container.image.repository in (run_as_root_image_list))
+
+# The rule is disabled by default and should be enabled when non-root container policy has been applied.
+# Note the rule will not work as expected when usernamespace is applied, e.g. userns-remap is enabled.
+- rule: Container Run as Root User
+  desc: Detected container running as root user
+  condition: spawned_process and container and proc.vpid=1 and user.uid=0 and not user_known_run_as_root_container
+  enabled: false
+  output: Container launched with root user privilege (uid=%user.uid container_id=%container.id container_name=%container.name image=%container.image.repository:%container.image.tag)
+  priority: INFO
+  tags: [container, process]
+
 # Application rules have moved to application_rules.yaml. Please look
 # there if you want to enable them by adding to
 # falco_rules.local.yaml.
--- a/rules/k8s_audit_rules.yaml
+++ b/rules/k8s_audit_rules.yaml
@@ -537,7 +537,7 @@
  condition: >
    kevt 
    and non_system_user 
-    and ka.user.name in (admin_k8s_users) 
+    and ka.user.name in (full_admin_k8s_users)
    and not allowed_full_admin_users
  output: K8s Operation performed by full admin user (user=%ka.user.name target=%ka.target.name/%ka.target.resource verb=%ka.verb uri=%ka.uri resp=%ka.response.code)
  priority: WARNING
--- a/scripts/falco-driver-loader
+++ b/scripts/falco-driver-loader
@@ -220,7 +220,7 @@ load_kernel_module() {
 	rmmod "${DRIVER_NAME}" 2>/dev/null
 	WAIT_TIME=0
 	KMOD_NAME=$(echo "${DRIVER_NAME}" | tr "-" "_")
-	while lsmod | grep "${KMOD_NAME}" > /dev/null 2>&1 && [ $WAIT_TIME -lt "${MAX_RMMOD_WAIT}" ]; do
+	while lsmod | cut -d' ' -f1 | grep -qx "${KMOD_NAME}" && [ $WAIT_TIME -lt "${MAX_RMMOD_WAIT}" ]; do 
 		if rmmod "${DRIVER_NAME}" 2>/dev/null; then
 			echo "* Unloading ${DRIVER_NAME} module succeeded after ${WAIT_TIME}s"
 			break
@@ -232,7 +232,7 @@ load_kernel_module() {
 		sleep 1
 	done

-	if lsmod | grep "${KMOD_NAME}" > /dev/null 2>&1; then
+	if lsmod | cut -d' ' -f1 | grep -qx "${KMOD_NAME}" > /dev/null 2>&1; then
 		echo "* ${DRIVER_NAME} module seems to still be loaded, hoping the best"
 		exit 0
 	fi
--- a/test/run_regression_tests.sh
+++ b/test/run_regression_tests.sh
@@ -104,8 +104,12 @@ function run_tests() {
        suites+=($SCRIPTDIR/falco_tests_package.yaml)
    fi
    
+    XUNIT_DIR="${OPT_BUILD_DIR}/integration-tests-xunit"
+    mkdir -p "${XUNIT_DIR}"
+
    for mult in "${suites[@]}"; do
-        CMD="avocado run --mux-yaml $mult --job-results-dir $SCRIPTDIR/job-results -- $SCRIPTDIR/falco_test.py"
+        XUNIT_FILE_NAME="${XUNIT_DIR}/$(basename "${mult}").xml"
+        CMD="avocado run --xunit ${XUNIT_FILE_NAME} --mux-yaml $mult --job-results-dir $SCRIPTDIR/job-results -- $SCRIPTDIR/falco_test.py"
        echo "Running $CMD"
        BUILD_DIR=${OPT_BUILD_DIR} $CMD
        RC=$?
--- a/userspace/engine/CMakeLists.txt
+++ b/userspace/engine/CMakeLists.txt
@@ -38,8 +38,7 @@ if(MINIMAL_BUILD)
      "${SYSDIG_SOURCE_DIR}/userspace/libsinsp/third-party/jsoncpp"
      "${SYSDIG_SOURCE_DIR}/userspace/libscap"
      "${SYSDIG_SOURCE_DIR}/userspace/libsinsp"
-      "${PROJECT_BINARY_DIR}/userspace/engine"
-      "${PROJECT_SOURCE_DIR}/userspace/libhawk")
+      "${PROJECT_BINARY_DIR}/userspace/engine")
 else()
  target_include_directories(
    falco_engine
@@ -52,17 +51,11 @@ else()
      "${SYSDIG_SOURCE_DIR}/userspace/libsinsp/third-party/jsoncpp"
      "${SYSDIG_SOURCE_DIR}/userspace/libscap"
      "${SYSDIG_SOURCE_DIR}/userspace/libsinsp"
-      "${PROJECT_BINARY_DIR}/userspace/engine"
-      "${PROJECT_SOURCE_DIR}/userspace/libhawk")
+      "${PROJECT_BINARY_DIR}/userspace/engine")
 endif()

 target_link_libraries(falco_engine "${FALCO_SINSP_LIBRARY}" "${LPEG_LIB}" "${LYAML_LIB}" "${LIBYAML_LIB}")

-if(DEFINED LIBHAWK_LIBRARIES)
-  message(STATUS "Using externally provided libhawk implementations: ${LIBHAWK_LIBRARIES}")
-  target_link_libraries(falco_engine ${LIBHAWK_LIBRARIES})
-endif()
-
 configure_file(config_falco_engine.h.in config_falco_engine.h)

 if(DEFINED FALCO_COMPONENT)
--- a/userspace/engine/falco_engine.cpp
+++ b/userspace/engine/falco_engine.cpp
@@ -26,8 +26,7 @@ limitations under the License.

 #include "formats.h"

-extern "C"
-{
+extern "C" {
 #include "lpeg.h"
 #include "lyaml.h"
 }
@@ -35,6 +34,7 @@ extern "C"
 #include "utils.h"
 #include "banned.h" // This raises a compilation error when certain functions are used

+
 string lua_on_event = "on_event";
 string lua_print_stats = "print_stats";

@@ -42,24 +42,24 @@ using namespace std;

 nlohmann::json::json_pointer falco_engine::k8s_audit_time = "/stageTimestamp"_json_pointer;

-falco_engine::falco_engine(bool seed_rng, const std::string &alternate_lua_dir):
-	m_rules(NULL), m_next_ruleset_id(0),
-	m_min_priority(falco_common::PRIORITY_DEBUG),
-	m_sampling_ratio(1), m_sampling_multiplier(0),
-	m_replace_container_info(false)
+falco_engine::falco_engine(bool seed_rng, const std::string& alternate_lua_dir)
+	: m_rules(NULL), m_next_ruleset_id(0),
+	  m_min_priority(falco_common::PRIORITY_DEBUG),
+	  m_sampling_ratio(1), m_sampling_multiplier(0),
+	  m_replace_container_info(false)
 {
 	luaopen_lpeg(m_ls);
 	luaopen_yaml(m_ls);

-	m_alternate_lua_dir = alternate_lua_dir;
 	falco_common::init(m_lua_main_filename.c_str(), alternate_lua_dir.c_str());
 	falco_rules::init(m_ls);

-	clear_filters();
+	m_sinsp_rules.reset(new falco_sinsp_ruleset());
+	m_k8s_audit_rules.reset(new falco_ruleset());

 	if(seed_rng)
 	{
-		srandom((unsigned)getpid());
+		srandom((unsigned) getpid());
 	}

 	m_default_ruleset_id = find_ruleset_id(m_default_ruleset);
@@ -70,24 +70,15 @@ falco_engine::falco_engine(bool seed_rng, const std::string &alternate_lua_dir):

 falco_engine::~falco_engine()
 {
-	if(m_rules)
+	if (m_rules)
 	{
 		delete m_rules;
 	}
 }

-falco_engine *falco_engine::clone()
-{
-	auto engine = new falco_engine(true, m_alternate_lua_dir);
-	engine->set_inspector(m_inspector);
-	engine->set_extra(m_extra, m_replace_container_info);
-	engine->set_min_priority(m_min_priority);
-	return engine;
-}
-
 uint32_t falco_engine::engine_version()
 {
-	return (uint32_t)FALCO_ENGINE_VERSION;
+	return (uint32_t) FALCO_ENGINE_VERSION;
 }

 #define DESCRIPTION_TEXT_START 16
@@ -153,28 +144,17 @@ void falco_engine::list_fields(bool names_only)
 	}
 }

-void falco_engine::load_rules_file(const string &rules_filename, bool verbose, bool all_events)
-{
-	ifstream is;
-
-	is.open(rules_filename);
-	if(!is.is_open())
-	{
-		throw falco_exception("Could not open rules filename " +
-				      rules_filename + " " +
-				      "for reading");
-	}
-
-	string rules_content((istreambuf_iterator<char>(is)),
-			     istreambuf_iterator<char>());
-
-	load_rules(rules_content, verbose, all_events);
-}
-
 void falco_engine::load_rules(const string &rules_content, bool verbose, bool all_events)
+{
+	uint64_t dummy;
+
+	return load_rules(rules_content, verbose, all_events, dummy);
+}
+
+void falco_engine::load_rules(const string &rules_content, bool verbose, bool all_events, uint64_t &required_engine_version)
 {
 	// The engine must have been given an inspector by now.
-	if(!m_inspector)
+	if(! m_inspector)
 	{
 		throw falco_exception("No inspector provided");
 	}
@@ -186,52 +166,45 @@ void falco_engine::load_rules(const string &rules_content, bool verbose, bool al

 	if(!m_rules)
 	{
-		// Note that falco_formats is added to the lua state used by the falco engine only.
-		// Within the engine, only formats.
-		// Formatter is used, so we can unconditionally set json_output to false.
-		bool json_output = false;
-		bool json_include_output_property = false;
-		falco_formats::init(m_inspector, this, m_ls, json_output, json_include_output_property);
-		m_rules = new falco_rules(m_inspector, this, m_ls);
+		m_rules = new falco_rules(m_inspector,
+					  this,
+					  m_ls);
 	}

-	uint64_t dummy;
-	// m_sinsp_rules.reset(new falco_sinsp_ruleset());
-	// m_k8s_audit_rules.reset(new falco_ruleset());
-	m_rules->load_rules(rules_content, verbose, all_events, m_extra, m_replace_container_info, m_min_priority, dummy);
+	// Note that falco_formats is added to the lua state used
+	// by the falco engine only. Within the engine, only
+	// formats.formatter is used, so we can unconditionally set
+	// json_output to false.
+	bool json_output = false;
+	bool json_include_output_property = false;
+	falco_formats::init(m_inspector, this, m_ls, json_output, json_include_output_property);

-	m_is_ready = true;
-
-	return;
-
-	//
-	// auto local_rules = new falco_rules(m_inspector, this, m_ls);
-	// try
-	// {
-	// 	uint64_t dummy;
-	// 	local_rules->load_rules(rules_content, verbose, all_events, m_extra, m_replace_container_info, m_min_priority, dummy);
-
-	// 	// m_rules = local_rules
-	// 	// std::atomic<falco_rules *> lore(m_rules);
-	// 	// std::atomic_exchange(&lore, local_rules);
-	// 	// SCHEDULE LOCAL_RULES AS NEXT RULESET
-	// }
-	// catch(const falco_exception &e)
-	// {
-	// 	// todo
-	// 	printf("IGNORE BECAUSE OF ERROR LOADING RULESET!\n");
-	// }
+	m_rules->load_rules(rules_content, verbose, all_events, m_extra, m_replace_container_info, m_min_priority, required_engine_version);
 }

-// // todo(fntlnz): not sure we want this in falco_engine
-// void falco_engine::watch_rules(bool verbose, bool all_events)
-// {
-// 	hawk_watch_rules((hawk_watch_rules_cb)rules_cb, reinterpret_cast<hawk_engine *>(this));
-// }
-
-bool falco_engine::is_ready()
+void falco_engine::load_rules_file(const string &rules_filename, bool verbose, bool all_events)
 {
-	return m_is_ready;
+	uint64_t dummy;
+
+	return load_rules_file(rules_filename, verbose, all_events, dummy);
+}
+
+void falco_engine::load_rules_file(const string &rules_filename, bool verbose, bool all_events, uint64_t &required_engine_version)
+{
+	ifstream is;
+
+	is.open(rules_filename);
+	if (!is.is_open())
+	{
+		throw falco_exception("Could not open rules filename " +
+				      rules_filename + " " +
+				      "for reading");
+	}
+
+	string rules_content((istreambuf_iterator<char>(is)),
+			     istreambuf_iterator<char>());
+
+	load_rules(rules_content, verbose, all_events, required_engine_version);
 }

 void falco_engine::enable_rule(const string &substring, bool enabled, const string &ruleset)
@@ -299,7 +272,7 @@ uint64_t falco_engine::num_rules_for_ruleset(const std::string &ruleset)
 	uint16_t ruleset_id = find_ruleset_id(ruleset);

 	return m_sinsp_rules->num_rules_for_ruleset(ruleset_id) +
-	       m_k8s_audit_rules->num_rules_for_ruleset(ruleset_id);
+		m_k8s_audit_rules->num_rules_for_ruleset(ruleset_id);
 }

 void falco_engine::evttypes_for_ruleset(std::vector<bool> &evttypes, const std::string &ruleset)
@@ -338,15 +311,15 @@ unique_ptr<falco_engine::rule_result> falco_engine::process_sinsp_event(sinsp_ev

 		if(lua_pcall(m_ls, 1, 3, 0) != 0)
 		{
-			const char *lerr = lua_tostring(m_ls, -1);
+			const char* lerr = lua_tostring(m_ls, -1);
 			string err = "Error invoking function output: " + string(lerr);
 			throw falco_exception(err);
 		}
 		res->evt = ev;
-		const char *p = lua_tostring(m_ls, -3);
+		const char *p =  lua_tostring(m_ls, -3);
 		res->rule = p;
 		res->source = "syscall";
-		res->priority_num = (falco_common::priority_type)lua_tonumber(m_ls, -2);
+		res->priority_num = (falco_common::priority_type) lua_tonumber(m_ls, -2);
 		res->format = lua_tostring(m_ls, -1);
 		lua_pop(m_ls, 3);
 	}
@@ -360,7 +333,6 @@ unique_ptr<falco_engine::rule_result> falco_engine::process_sinsp_event(sinsp_ev

 unique_ptr<falco_engine::rule_result> falco_engine::process_sinsp_event(sinsp_evt *ev)
 {
-	// todo(leodido, fntlnz) > pass the last ruleset id
 	return process_sinsp_event(ev, m_default_ruleset_id);
 }

@@ -372,7 +344,7 @@ unique_ptr<falco_engine::rule_result> falco_engine::process_k8s_audit_event(json
 	}

 	// All k8s audit events have the single tag "1".
-	if(!m_k8s_audit_rules->run((gen_event *)ev, 1, ruleset_id))
+	if(!m_k8s_audit_rules->run((gen_event *) ev, 1, ruleset_id))
 	{
 		return unique_ptr<struct rule_result>();
 	}
@@ -387,15 +359,15 @@ unique_ptr<falco_engine::rule_result> falco_engine::process_k8s_audit_event(json

 		if(lua_pcall(m_ls, 1, 3, 0) != 0)
 		{
-			const char *lerr = lua_tostring(m_ls, -1);
+			const char* lerr = lua_tostring(m_ls, -1);
 			string err = "Error invoking function output: " + string(lerr);
 			throw falco_exception(err);
 		}
 		res->evt = ev;
-		const char *p = lua_tostring(m_ls, -3);
+		const char *p =  lua_tostring(m_ls, -3);
 		res->rule = p;
 		res->source = "k8s_audit";
-		res->priority_num = (falco_common::priority_type)lua_tonumber(m_ls, -2);
+		res->priority_num = (falco_common::priority_type) lua_tonumber(m_ls, -2);
 		res->format = lua_tostring(m_ls, -1);
 		lua_pop(m_ls, 3);
 	}
@@ -421,7 +393,7 @@ bool falco_engine::parse_k8s_audit_json(nlohmann::json &j, std::list<json_event>
 				{
 					// Note we only handle a single top level array, to
 					// avoid excessive recursion.
-					if(!parse_k8s_audit_json(item, evts, false))
+					if(! parse_k8s_audit_json(item, evts, false))
 					{
 						return false;
 					}
@@ -499,7 +471,7 @@ void falco_engine::print_stats()
 	{
 		if(lua_pcall(m_ls, 0, 0, 0) != 0)
 		{
-			const char *lerr = lua_tostring(m_ls, -1);
+			const char* lerr = lua_tostring(m_ls, -1);
 			string err = "Error invoking function print_stats: " + string(lerr);
 			throw falco_exception(err);
 		}
@@ -508,20 +480,21 @@ void falco_engine::print_stats()
 	{
 		throw falco_exception("No function " + lua_print_stats + " found in lua rule loader module");
 	}
+
 }

 void falco_engine::add_sinsp_filter(string &rule,
 				    set<uint32_t> &evttypes,
 				    set<uint32_t> &syscalls,
 				    set<string> &tags,
-				    sinsp_filter *filter)
+				    sinsp_filter* filter)
 {
 	m_sinsp_rules->add(rule, evttypes, syscalls, tags, filter);
 }

 void falco_engine::add_k8s_audit_filter(string &rule,
 					set<string> &tags,
-					json_event_filter *filter)
+					json_event_filter* filter)
 {
 	// All k8s audit events have a single tag "1".
 	std::set<uint32_t> event_tags = {1};
@@ -563,8 +536,8 @@ inline bool falco_engine::should_drop_evt()
 		return false;
 	}

-	double coin = (random() * (1.0 / RAND_MAX));
-	return (coin >= (1.0 / (m_sampling_multiplier * m_sampling_ratio)));
+	double coin = (random() * (1.0/RAND_MAX));
+	return (coin >= (1.0/(m_sampling_multiplier * m_sampling_ratio)));
 }

 sinsp_filter_factory &falco_engine::sinsp_factory()
--- a/userspace/engine/falco_engine.h
+++ b/userspace/engine/falco_engine.h
@@ -38,11 +38,6 @@ limitations under the License.
 #include "config_falco_engine.h"
 #include "falco_common.h"

-extern "C"
-{
-#include "hawk.h"
-}
-
 //
 // This class acts as the primary interface between a program and the
 // falco rules engine. Falco outputs (writing to files/syslog/etc) are
@@ -52,12 +47,9 @@ extern "C"
 class falco_engine : public falco_common
 {
 public:
-	falco_engine(bool seed_rng = true, const std::string &alternate_lua_dir = FALCO_ENGINE_SOURCE_LUA_DIR);
+	falco_engine(bool seed_rng=true, const std::string& alternate_lua_dir=FALCO_ENGINE_SOURCE_LUA_DIR);
 	virtual ~falco_engine();

-	falco_engine(const falco_engine &rhs);
-	falco_engine *clone();
-
 	// A given engine has a version which identifies the fields
 	// and rules file format it supports. This version will change
 	// any time the code that handles rules files, expression
@@ -65,7 +57,7 @@ public:
 	static uint32_t engine_version();

 	// Print to stdout (using printf) a description of each field supported by this engine.
-	void list_fields(bool names_only = false);
+	void list_fields(bool names_only=false);

 	//
 	// Load rules either directly or from a filename.
@@ -73,8 +65,12 @@ public:
 	void load_rules_file(const std::string &rules_filename, bool verbose, bool all_events);
 	void load_rules(const std::string &rules_content, bool verbose, bool all_events);

-	// Watch and live-reload rules using an external ABI interface provided by libhawk
-	void watch_rules(bool verbose, bool all_events);
+	//
+	// Identical to above, but also returns the required engine version for the file/content.
+	// (If no required engine version is specified, returns 0).
+	//
+	void load_rules_file(const std::string &rules_filename, bool verbose, bool all_events, uint64_t &required_engine_version);
+	void load_rules(const std::string &rules_content, bool verbose, bool all_events, uint64_t &required_engine_version);

 	//
 	// Enable/Disable any rules matching the provided substring.
@@ -89,6 +85,7 @@ public:
 	// Wrapper that assumes the default ruleset
 	void enable_rule(const std::string &substring, bool enabled);

+
 	// Like enable_rule, but the rule name must be an exact match.
 	void enable_rule_exact(const std::string &rule_name, bool enabled, const std::string &ruleset);

@@ -157,8 +154,7 @@ public:

 	// **Methods Related to k8s audit log events, which are
 	// **represented as json objects.
-	struct rule_result
-	{
+	struct rule_result {
 		gen_event *evt;
 		std::string rule;
 		std::string source;
@@ -174,7 +170,7 @@ public:
 	// Returns true if the json object was recognized as a k8s
 	// audit event(s), false otherwise.
 	//
-	bool parse_k8s_audit_json(nlohmann::json &j, std::list<json_event> &evts, bool top = true);
+	bool parse_k8s_audit_json(nlohmann::json &j, std::list<json_event> &evts, bool top=true);

 	//
 	// Given an event, check it against the set of rules in the
@@ -199,7 +195,7 @@ public:
 	//
 	void add_k8s_audit_filter(std::string &rule,
 				  std::set<std::string> &tags,
-				  json_event_filter *filter);
+				  json_event_filter* filter);

 	// **Methods Related to Sinsp Events e.g system calls
 	//
@@ -240,14 +236,13 @@ public:
 			      std::set<uint32_t> &evttypes,
 			      std::set<uint32_t> &syscalls,
 			      std::set<std::string> &tags,
-			      sinsp_filter *filter);
+			      sinsp_filter* filter);

 	sinsp_filter_factory &sinsp_factory();
 	json_event_filter_factory &json_factory();

-	bool is_ready();
-
 private:
+
 	static nlohmann::json::json_pointer k8s_audit_time;

 	//
@@ -267,8 +262,6 @@ private:
 	std::unique_ptr<falco_sinsp_ruleset> m_sinsp_rules;
 	std::unique_ptr<falco_ruleset> m_k8s_audit_rules;

-	std::string m_alternate_lua_dir;
-
 	//
 	// Here's how the sampling ratio and multiplier influence
 	// whether or not an event is dropped in
@@ -298,6 +291,5 @@ private:

 	std::string m_extra;
 	bool m_replace_container_info;
-
-	bool m_is_ready = false;
 };
+
--- a/userspace/engine/formats.cpp
+++ b/userspace/engine/formats.cpp
@@ -26,7 +26,7 @@ bool falco_formats::s_json_output = false;
 bool falco_formats::s_json_include_output_property = true;
 std::unique_ptr<sinsp_evt_formatter_cache> falco_formats::s_formatters = NULL;

-const static struct luaL_reg ll_falco[] =
+const static struct luaL_Reg ll_falco[] =
 	{
 		{"formatter", &falco_formats::lua_formatter},
 		{"free_formatter", &falco_formats::lua_free_formatter},
--- a/userspace/engine/rules.cpp
+++ b/userspace/engine/rules.cpp
@@ -26,15 +26,14 @@ extern "C" {
 #include "falco_engine.h"
 #include "banned.h" // This raises a compilation error when certain functions are used

-const static struct luaL_reg ll_falco_rules [] =
-{
-	{"clear_filters", &falco_rules::clear_filters},
-	{"add_filter", &falco_rules::add_filter},
-	{"add_k8s_audit_filter", &falco_rules::add_k8s_audit_filter},
-	{"enable_rule", &falco_rules::enable_rule},
-	{"engine_version", &falco_rules::engine_version},
-	{NULL,NULL}
-};
+const static struct luaL_Reg ll_falco_rules[] =
+	{
+		{"clear_filters", &falco_rules::clear_filters},
+		{"add_filter", &falco_rules::add_filter},
+		{"add_k8s_audit_filter", &falco_rules::add_k8s_audit_filter},
+		{"enable_rule", &falco_rules::enable_rule},
+		{"engine_version", &falco_rules::engine_version},
+		{NULL, NULL}};

 falco_rules::falco_rules(sinsp* inspector,
 			 falco_engine *engine,
--- a/userspace/falco/CMakeLists.txt
+++ b/userspace/falco/CMakeLists.txt
@@ -1,5 +1,5 @@
 #
-# Copyright (C) 2019 The Falco Authors.
+# Copyright (C) 2020 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
@@ -11,39 +11,10 @@
 # specific language governing permissions and limitations under the License.
 #

-configure_file("${SYSDIG_SOURCE_DIR}/userspace/sysdig/config_sysdig.h.in" config_sysdig.h)
+configure_file(config_falco.h.in config_falco.h)

-if(NOT MINIMAL_BUILD)
-  add_custom_command(
-    OUTPUT
-      ${CMAKE_CURRENT_BINARY_DIR}/version.grpc.pb.cc
-      ${CMAKE_CURRENT_BINARY_DIR}/version.grpc.pb.h
-      ${CMAKE_CURRENT_BINARY_DIR}/version.pb.cc
-      ${CMAKE_CURRENT_BINARY_DIR}/version.pb.h
-      ${CMAKE_CURRENT_BINARY_DIR}/outputs.grpc.pb.cc
-      ${CMAKE_CURRENT_BINARY_DIR}/outputs.grpc.pb.h
-      ${CMAKE_CURRENT_BINARY_DIR}/outputs.pb.cc
-      ${CMAKE_CURRENT_BINARY_DIR}/outputs.pb.h
-      ${CMAKE_CURRENT_BINARY_DIR}/schema.pb.cc
-      ${CMAKE_CURRENT_BINARY_DIR}/schema.pb.h
-    COMMENT "Generate gRPC API"
-    # Falco gRPC Version API
-    DEPENDS ${CMAKE_CURRENT_SOURCE_DIR}/version.proto
-    COMMAND ${PROTOC} -I ${CMAKE_CURRENT_SOURCE_DIR} --cpp_out=. ${CMAKE_CURRENT_SOURCE_DIR}/version.proto
-    COMMAND ${PROTOC} -I ${CMAKE_CURRENT_SOURCE_DIR} --grpc_out=. --plugin=protoc-gen-grpc=${GRPC_CPP_PLUGIN}
-            ${CMAKE_CURRENT_SOURCE_DIR}/version.proto
-    # Falco gRPC Outputs API
-    DEPENDS ${CMAKE_CURRENT_SOURCE_DIR}/outputs.proto
-    COMMAND ${PROTOC} -I ${CMAKE_CURRENT_SOURCE_DIR} --cpp_out=. ${CMAKE_CURRENT_SOURCE_DIR}/outputs.proto
-            ${CMAKE_CURRENT_SOURCE_DIR}/schema.proto
-    COMMAND ${PROTOC} -I ${CMAKE_CURRENT_SOURCE_DIR} --grpc_out=. --plugin=protoc-gen-grpc=${GRPC_CPP_PLUGIN}
-            ${CMAKE_CURRENT_SOURCE_DIR}/outputs.proto
-    WORKING_DIRECTORY ${CMAKE_CURRENT_BINARY_DIR})
-endif()
-
-if(MINIMAL_BUILD)
-add_executable(
-  falco
+set(
+  FALCO_SOURCES
  configuration.cpp
  logger.cpp
  falco_outputs.cpp
@@ -54,84 +25,74 @@ add_executable(
  event_drops.cpp
  statsfilewriter.cpp
  falco.cpp
-  "${SYSDIG_SOURCE_DIR}/userspace/sysdig/fields_info.cpp")
-else()
-  add_executable(
-    falco
-    configuration.cpp
-    logger.cpp
-    falco_outputs.cpp
-    outputs_file.cpp
+  "${SYSDIG_SOURCE_DIR}/userspace/libsinsp/fields_info.cpp"
+)
+
+set(
+  FALCO_INCLUDE_DIRECTORIES
+  "${PROJECT_SOURCE_DIR}/userspace/engine"
+  "${PROJECT_BINARY_DIR}/userspace/falco"
+  "${PROJECT_BINARY_DIR}/driver/src"
+  "${STRING_VIEW_LITE_INCLUDE}"
+  "${YAMLCPP_INCLUDE_DIR}"
+  "${CMAKE_CURRENT_BINARY_DIR}"
+  "${DRAIOS_DEPENDENCIES_DIR}/yaml-${DRAIOS_YAML_VERSION}/target/include"
+)
+
+set(
+  FALCO_DEPENDENCIES
+  string-view-lite
+  libyaml
+  b64
+  luajit
+  lpeg
+  lyaml
+)
+
+set(
+  FALCO_LIBRARIES
+  falco_engine
+  sinsp
+  "${LIBYAML_LIB}"
+  "${YAMLCPP_LIB}"
+)
+
+if(USE_BUNDLED_DEPS)
+  list(APPEND FALCO_DEPENDENCIES yamlcpp)
+endif()
+
+if(NOT MINIMAL_BUILD)
+  list(
+    APPEND FALCO_SOURCES
    outputs_grpc.cpp
    outputs_http.cpp
-    outputs_program.cpp
-    outputs_stdout.cpp
-    outputs_syslog.cpp
-    event_drops.cpp
-    statsfilewriter.cpp
-    falco.cpp
-    "${SYSDIG_SOURCE_DIR}/userspace/sysdig/fields_info.cpp"
    webserver.cpp
    grpc_context.cpp
    grpc_server_impl.cpp
    grpc_request_context.cpp
    grpc_server.cpp
+    grpc_context.cpp
+    grpc_server_impl.cpp
    ${CMAKE_CURRENT_BINARY_DIR}/version.grpc.pb.cc
    ${CMAKE_CURRENT_BINARY_DIR}/version.pb.cc
    ${CMAKE_CURRENT_BINARY_DIR}/outputs.grpc.pb.cc
    ${CMAKE_CURRENT_BINARY_DIR}/outputs.pb.cc
-    ${CMAKE_CURRENT_BINARY_DIR}/schema.pb.cc)
+    ${CMAKE_CURRENT_BINARY_DIR}/schema.pb.cc
+  )

-    add_dependencies(falco civetweb)
-endif()
+  list(
+    APPEND FALCO_INCLUDE_DIRECTORIES
+    "${CIVETWEB_INCLUDE_DIR}"
+    "${OPENSSL_INCLUDE_DIR}"
+    "${GRPC_INCLUDE}"
+    "${GRPCPP_INCLUDE}"
+    "${PROTOBUF_INCLUDE}"
+  )

-add_dependencies(falco string-view-lite)
+  list(APPEND FALCO_DEPENDENCIES civetweb)

-if(USE_BUNDLED_DEPS)
-  add_dependencies(falco yamlcpp)
-endif()
-
-if(MINIMAL_BUILD)
-  target_include_directories(
-    falco
-    PUBLIC
-      "${SYSDIG_SOURCE_DIR}/userspace/sysdig"
-      "${PROJECT_SOURCE_DIR}/userspace/engine"
-      "${PROJECT_BINARY_DIR}/userspace/falco"
-      "${PROJECT_BINARY_DIR}/driver/src"
-      "${STRING_VIEW_LITE_INCLUDE}"
-      "${YAMLCPP_INCLUDE_DIR}"
-      "${CMAKE_CURRENT_BINARY_DIR}"
-      "${DRAIOS_DEPENDENCIES_DIR}/yaml-${DRAIOS_YAML_VERSION}/target/include")
-
-  target_link_libraries(
-    falco
-    falco_engine
-    sinsp
-    "${LIBYAML_LIB}"
-    "${YAMLCPP_LIB}")
-else()
-  target_include_directories(
-    falco
-    PUBLIC
-      "${SYSDIG_SOURCE_DIR}/userspace/sysdig"
-      "${PROJECT_SOURCE_DIR}/userspace/engine"
-      "${PROJECT_BINARY_DIR}/userspace/falco"
-      "${PROJECT_BINARY_DIR}/driver/src"
-      "${STRING_VIEW_LITE_INCLUDE}"
-      "${YAMLCPP_INCLUDE_DIR}"
-      "${CIVETWEB_INCLUDE_DIR}"
-      "${OPENSSL_INCLUDE_DIR}"
-      "${GRPC_INCLUDE}"
-      "${GRPCPP_INCLUDE}"
-      "${PROTOBUF_INCLUDE}"
-      "${CMAKE_CURRENT_BINARY_DIR}"
-      "${DRAIOS_DEPENDENCIES_DIR}/yaml-${DRAIOS_YAML_VERSION}/target/include")
-
-  target_link_libraries(
-    falco
-    falco_engine
-    sinsp
+  list(
+    APPEND FALCO_LIBRARIES
    "${GPR_LIB}"
    "${GRPC_LIB}"
    "${GRPCPP_LIB}"
@@ -140,19 +101,66 @@ else()
    "${OPENSSL_LIBRARY_CRYPTO}"
    "${LIBYAML_LIB}"
    "${YAMLCPP_LIB}"
-    "${CIVETWEB_LIB}")
+    "${CIVETWEB_LIB}"
+  )
 endif()

-configure_file(config_falco.h.in config_falco.h)
+add_executable(
+  falco
+  ${FALCO_SOURCES}
+)
+
+add_dependencies(falco ${FALCO_DEPENDENCIES})
+
+target_link_libraries(
+  falco
+  ${FALCO_LIBRARIES}
+)
+
+target_include_directories(
+  falco
+  PUBLIC
+  ${FALCO_INCLUDE_DIRECTORIES}
+)

 if(NOT MINIMAL_BUILD)
-  # add_custom_command(
-  #   TARGET falco
-  #   COMMAND bash ${CMAKE_CURRENT_SOURCE_DIR}/verify_engine_fields.sh ${CMAKE_SOURCE_DIR}
-  #   WORKING_DIRECTORY ${CMAKE_CURRENT_BINARY_DIR}
-  #   COMMENT "Comparing engine fields checksum in falco_engine.h to actual fields")
+  add_custom_command(
+    TARGET falco
+    COMMAND bash ${CMAKE_CURRENT_SOURCE_DIR}/verify_engine_fields.sh ${CMAKE_SOURCE_DIR}
+    WORKING_DIRECTORY ${CMAKE_CURRENT_BINARY_DIR}
+    COMMENT "Comparing engine fields checksum in falco_engine.h to actual fields"
+  )
 else()
-  MESSAGE(STATUS "Skipping engine fields checksum when building the minimal Falco.")
+  message(STATUS "Skipping engine fields checksum when building the minimal Falco.")
+endif()
+
+if(NOT MINIMAL_BUILD)
+  add_custom_command(
+    OUTPUT
+    ${CMAKE_CURRENT_BINARY_DIR}/version.grpc.pb.cc
+    ${CMAKE_CURRENT_BINARY_DIR}/version.grpc.pb.h
+    ${CMAKE_CURRENT_BINARY_DIR}/version.pb.cc
+    ${CMAKE_CURRENT_BINARY_DIR}/version.pb.h
+    ${CMAKE_CURRENT_BINARY_DIR}/outputs.grpc.pb.cc
+    ${CMAKE_CURRENT_BINARY_DIR}/outputs.grpc.pb.h
+    ${CMAKE_CURRENT_BINARY_DIR}/outputs.pb.cc
+    ${CMAKE_CURRENT_BINARY_DIR}/outputs.pb.h
+    ${CMAKE_CURRENT_BINARY_DIR}/schema.pb.cc
+    ${CMAKE_CURRENT_BINARY_DIR}/schema.pb.h
+    COMMENT "Generate gRPC API"
+    # Falco gRPC Version API
+    DEPENDS ${CMAKE_CURRENT_SOURCE_DIR}/version.proto
+    COMMAND ${PROTOC} -I ${CMAKE_CURRENT_SOURCE_DIR} --cpp_out=. ${CMAKE_CURRENT_SOURCE_DIR}/version.proto
+    COMMAND ${PROTOC} -I ${CMAKE_CURRENT_SOURCE_DIR} --grpc_out=. --plugin=protoc-gen-grpc=${GRPC_CPP_PLUGIN}
+    ${CMAKE_CURRENT_SOURCE_DIR}/version.proto
+    # Falco gRPC Outputs API
+    DEPENDS ${CMAKE_CURRENT_SOURCE_DIR}/outputs.proto
+    COMMAND ${PROTOC} -I ${CMAKE_CURRENT_SOURCE_DIR} --cpp_out=. ${CMAKE_CURRENT_SOURCE_DIR}/outputs.proto
+    ${CMAKE_CURRENT_SOURCE_DIR}/schema.proto
+    COMMAND ${PROTOC} -I ${CMAKE_CURRENT_SOURCE_DIR} --grpc_out=. --plugin=protoc-gen-grpc=${GRPC_CPP_PLUGIN}
+    ${CMAKE_CURRENT_SOURCE_DIR}/outputs.proto
+    WORKING_DIRECTORY ${CMAKE_CURRENT_BINARY_DIR}
+  )
 endif()

 # strip the Falco binary when releasing using musl
@@ -161,7 +169,8 @@ if(MUSL_OPTIMIZED_BUILD AND CMAKE_BUILD_TYPE STREQUAL "release")
    TARGET falco
    POST_BUILD
    COMMAND ${CMAKE_STRIP} --strip-unneeded falco
-    COMMENT "Strip the Falco binary when releasing the musl build")
+    COMMENT "Strip the Falco binary when releasing the musl build"
+  )
 endif()

 install(TARGETS falco DESTINATION ${FALCO_BIN_DIR})
--- a/userspace/falco/configuration.cpp
+++ b/userspace/falco/configuration.cpp
@@ -68,6 +68,16 @@ void falco_configuration::init(string conf_filename, list<string> &cmdline_optio

 	m_config->get_sequence<list<string>>(rules_files, string("rules_file"));

+	for(auto &file : rules_files)
+	{
+		// Here, we only include files that exist
+		struct stat buffer;
+		if(stat(file.c_str(), &buffer) == 0)
+		{
+			read_rules_file_directory(file, m_rules_filenames);
+		}
+	}
+
 	m_json_output = m_config->get_scalar<bool>("json_output", false);
 	m_json_include_output_property = m_config->get_scalar<bool>("json_include_output_property", true);

@@ -166,6 +176,8 @@ void falco_configuration::init(string conf_filename, list<string> &cmdline_optio

 	falco_logger::set_level(m_log_level);

+	m_output_timeout = m_config->get_scalar<uint32_t>("output_timeout", 2000);
+
 	m_notifications_rate = m_config->get_scalar<uint32_t>("outputs", "rate", 1);
 	m_notifications_max_burst = m_config->get_scalar<uint32_t>("outputs", "max_burst", 1000);

@@ -232,6 +244,69 @@ void falco_configuration::init(string conf_filename, list<string> &cmdline_optio
 	m_syscall_evt_simulate_drops = m_config->get_scalar<bool>("syscall_event_drops", "simulate_drops", false);
 }

+void falco_configuration::read_rules_file_directory(const string &path, list<string> &rules_filenames)
+{
+	struct stat st;
+
+	int rc = stat(path.c_str(), &st);
+
+	if(rc != 0)
+	{
+		std::cerr << "Could not get info on rules file " << path << ": " << strerror(errno) << std::endl;
+		exit(-1);
+	}
+
+	if(st.st_mode & S_IFDIR)
+	{
+		// It's a directory. Read the contents, sort
+		// alphabetically, and add every path to
+		// rules_filenames
+		vector<string> dir_filenames;
+
+		DIR *dir = opendir(path.c_str());
+
+		if(!dir)
+		{
+			std::cerr << "Could not get read contents of directory " << path << ": " << strerror(errno) << std::endl;
+			exit(-1);
+		}
+
+		for(struct dirent *ent = readdir(dir); ent; ent = readdir(dir))
+		{
+			string efile = path + "/" + ent->d_name;
+
+			rc = stat(efile.c_str(), &st);
+
+			if(rc != 0)
+			{
+				std::cerr << "Could not get info on rules file " << efile << ": " << strerror(errno) << std::endl;
+				exit(-1);
+			}
+
+			if(st.st_mode & S_IFREG)
+			{
+				dir_filenames.push_back(efile);
+			}
+		}
+
+		closedir(dir);
+
+		std::sort(dir_filenames.begin(),
+			  dir_filenames.end());
+
+		for(string &ent : dir_filenames)
+		{
+			rules_filenames.push_back(ent);
+		}
+	}
+	else
+	{
+		// Assume it's a file and just add to
+		// rules_filenames. If it can't be opened/etc that
+		// will be reported later..
+		rules_filenames.push_back(path);
+	}
+}

 static bool split(const string &str, char delim, pair<string, string> &parts)
 {
@@ -273,4 +348,4 @@ void falco_configuration::set_cmdline_option(const string &opt)
 	{
 		m_config->set_scalar(keyval.first, keyval.second);
 	}
-}
+}
--- a/userspace/falco/configuration.h
+++ b/userspace/falco/configuration.h
@@ -190,6 +190,9 @@ public:
 	void init(std::string conf_filename, std::list<std::string>& cmdline_options);
 	void init(std::list<std::string>& cmdline_options);

+	static void read_rules_file_directory(const string& path, list<string>& rules_filenames);
+
+	std::list<std::string> m_rules_filenames;
 	bool m_json_output;
 	bool m_json_include_output_property;
 	std::string m_log_level;
@@ -201,6 +204,7 @@ public:

 	bool m_buffered_outputs;
 	bool m_time_format_iso_8601;
+	uint32_t m_output_timeout;

 	bool m_grpc_enabled;
 	uint32_t m_grpc_threadiness;
--- a/userspace/falco/falco.cpp
+++ b/userspace/falco/falco.cpp
--- a/userspace/falco/falco_outputs.cpp
+++ b/userspace/falco/falco_outputs.cpp
@@ -24,6 +24,7 @@ limitations under the License.

 #include "formats.h"
 #include "logger.h"
+#include "watchdog.h"

 #include "outputs_file.h"
 #include "outputs_program.h"
@@ -51,18 +52,26 @@ falco_outputs::~falco_outputs()
 {
 	if(m_initialized)
 	{
-		for(auto it = m_outputs.cbegin(); it != m_outputs.cend(); ++it)
+		this->stop_worker();
+		for(auto o : m_outputs)
 		{
-			(*it)->cleanup();
+			delete o;
 		}
 	}
 }

 void falco_outputs::init(bool json_output,
-			 bool json_include_output_property,
-			 uint32_t rate, uint32_t max_burst, bool buffered,
-			 bool time_format_iso_8601, string hostname)
+		  bool json_include_output_property,
+		  uint32_t timeout,
+		  uint32_t rate, uint32_t max_burst, bool buffered,
+		  bool time_format_iso_8601, std::string hostname)
 {
+	// Cannot be initialized more than one time.
+	if(m_initialized)
+	{
+		throw falco_exception("falco_outputs already initialized");
+	}
+
 	m_json_output = json_output;

 	// Note that falco_formats is already initialized by the engine,
@@ -71,17 +80,29 @@ void falco_outputs::init(bool json_output,
 	falco_formats::s_json_output = json_output;
 	falco_formats::s_json_include_output_property = json_include_output_property;

+	m_timeout = std::chrono::milliseconds(timeout);
+
 	m_notifications_tb.init(rate, max_burst);

 	m_buffered = buffered;
 	m_time_format_iso_8601 = time_format_iso_8601;
 	m_hostname = hostname;

+	m_worker_thread = std::thread(&falco_outputs::worker, this);
+
 	m_initialized = true;
 }

+// This function has to be called after init() since some configuration settings
+// need to be passed to the output plugins. Then, although the worker has started,
+// the worker is still on hold, waiting for a message.
+// Thus it is still safe to call add_output() before any message has been enqueued.
 void falco_outputs::add_output(falco::outputs::config oc)
 {
+	if(!m_initialized)
+	{
+		throw falco_exception("cannot add output: falco_outputs not initialized yet");
+	}

 	falco::outputs::abstract_output *oo;

@@ -129,6 +150,12 @@ void falco_outputs::handle_event(gen_event *evt, string &rule, string &source,
 		return;
 	}

+	falco_outputs::ctrl_msg cmsg = {};
+	cmsg.ts = evt->get_ts();
+	cmsg.priority = priority;
+	cmsg.source = source;
+	cmsg.rule = rule;
+
 	string sformat;
 	if(source == "syscall")
 	{
@@ -163,35 +190,38 @@ void falco_outputs::handle_event(gen_event *evt, string &rule, string &source,
 		sformat += " " + format;
 	}

-	string msg;
-	msg = falco_formats::format_event(evt, rule, source, falco_common::priority_names[priority], sformat);
+	cmsg.msg = falco_formats::format_event(evt, rule, source, falco_common::priority_names[priority], sformat);
+	cmsg.fields = falco_formats::resolve_tokens(evt, source, sformat);

-	for(auto it = m_outputs.cbegin(); it != m_outputs.cend(); ++it)
-	{
-		(*it)->output_event(evt, rule, source, priority, sformat, msg);
-	}
+	cmsg.type = ctrl_msg_type::CTRL_MSG_OUTPUT;
+	m_queue.push(cmsg);
 }

-void falco_outputs::handle_msg(uint64_t now,
+void falco_outputs::handle_msg(uint64_t ts,
 			       falco_common::priority_type priority,
 			       std::string &msg,
 			       std::string &rule,
 			       std::map<std::string, std::string> &output_fields)
 {
-	std::string full_msg;
+	falco_outputs::ctrl_msg cmsg = {};
+	cmsg.ts = ts;
+	cmsg.priority = priority;
+	cmsg.source = "internal";
+	cmsg.rule = rule;
+	cmsg.fields = output_fields;

 	if(m_json_output)
 	{
 		nlohmann::json jmsg;

 		// Convert the time-as-nanoseconds to a more json-friendly ISO8601.
-		time_t evttime = now / 1000000000;
+		time_t evttime = ts / 1000000000;
 		char time_sec[20]; // sizeof "YYYY-MM-DDTHH:MM:SS"
 		char time_ns[12];  // sizeof ".sssssssssZ"
 		string iso8601evttime;

 		strftime(time_sec, sizeof(time_sec), "%FT%T", gmtime(&evttime));
-		snprintf(time_ns, sizeof(time_ns), ".%09luZ", now % 1000000000);
+		snprintf(time_ns, sizeof(time_ns), ".%09luZ", ts % 1000000000);
 		iso8601evttime = time_sec;
 		iso8601evttime += time_ns;

@@ -201,15 +231,15 @@ void falco_outputs::handle_msg(uint64_t now,
 		jmsg["time"] = iso8601evttime;
 		jmsg["output_fields"] = output_fields;

-		full_msg = jmsg.dump();
+		cmsg.msg = jmsg.dump();
 	}
 	else
 	{
 		std::string timestr;
 		bool first = true;

-		sinsp_utils::ts_to_string(now, &timestr, false, true);
-		full_msg = timestr + ": " + falco_common::priority_names[priority] + " " + msg + " (";
+		sinsp_utils::ts_to_string(ts, &timestr, false, true);
+		cmsg.msg = timestr + ": " + falco_common::priority_names[priority] + " " + msg + " (";
 		for(auto &pair : output_fields)
 		{
 			if(first)
@@ -218,23 +248,95 @@ void falco_outputs::handle_msg(uint64_t now,
 			}
 			else
 			{
-				full_msg += " ";
+				cmsg.msg += " ";
 			}
-			full_msg += pair.first + "=" + pair.second;
+			cmsg.msg += pair.first + "=" + pair.second;
 		}
-		full_msg += ")";
+		cmsg.msg += ")";
 	}

-	for(auto it = m_outputs.cbegin(); it != m_outputs.cend(); ++it)
-	{
-		(*it)->output_msg(priority, full_msg);
-	}
+	cmsg.type = ctrl_msg_type::CTRL_MSG_OUTPUT;
+	m_queue.push(cmsg);
+}
+
+void falco_outputs::cleanup_outputs()
+{
+	this->push(falco_outputs::ctrl_msg_type::CTRL_MSG_CLEANUP);
 }

 void falco_outputs::reopen_outputs()
 {
-	for(auto it = m_outputs.cbegin(); it != m_outputs.cend(); ++it)
+	this->push(falco_outputs::ctrl_msg_type::CTRL_MSG_REOPEN);
+}
+
+void falco_outputs::stop_worker()
+{
+	watchdog<void *> wd;
+	wd.start([&](void *) -> void {
+		falco_logger::log(LOG_NOTICE, "output channels still blocked, discarding all remaining notifications\n");
+		m_queue.clear();
+		this->push(falco_outputs::ctrl_msg_type::CTRL_MSG_STOP);
+	});
+	wd.set_timeout(m_timeout, nullptr);
+
+	this->push(falco_outputs::ctrl_msg_type::CTRL_MSG_STOP);
+	if(m_worker_thread.joinable())
 	{
-		(*it)->reopen();
+		m_worker_thread.join();
 	}
 }
+
+inline void falco_outputs::push(ctrl_msg_type cmt)
+{
+	falco_outputs::ctrl_msg cmsg = {};
+	cmsg.type = cmt;
+	m_queue.push(cmsg);
+}
+
+// todo(leogr,leodido): this function is not supposed to throw exceptions, and with "noexcept",
+// the program is terminated if that occurs. Although that's the wanted behavior,
+// we still need to improve the error reporting since some inner functions can throw exceptions.
+void falco_outputs::worker() noexcept
+{
+	watchdog<std::string> wd;
+	wd.start([&](std::string payload) -> void {
+		falco_logger::log(LOG_CRIT, "\"" + payload + "\" output timeout, all output channels are blocked\n");
+	});
+
+	auto timeout = m_timeout;
+
+	falco_outputs::ctrl_msg cmsg;
+	do
+	{
+		// Block until a message becomes available.
+		m_queue.pop(cmsg);
+
+		for(const auto o : m_outputs)
+		{
+			wd.set_timeout(timeout, o->get_name());
+			try
+			{
+				switch(cmsg.type)
+				{
+					case ctrl_msg_type::CTRL_MSG_OUTPUT:
+						o->output(&cmsg);
+						break;
+					case ctrl_msg_type::CTRL_MSG_CLEANUP:
+					case ctrl_msg_type::CTRL_MSG_STOP:
+						o->cleanup();
+						break;
+					case ctrl_msg_type::CTRL_MSG_REOPEN:
+						o->reopen();
+						break;
+					default:
+						falco_logger::log(LOG_DEBUG, "Outputs worker received an unknown message type\n");	
+				}
+			}
+			catch(const exception &e)
+			{
+				falco_logger::log(LOG_ERR, o->get_name() + ": " + string(e.what()) + "\n");
+			}
+		}
+		wd.cancel_timeout();
+	} while(cmsg.type != ctrl_msg_type::CTRL_MSG_STOP);
+}
--- a/userspace/falco/falco_outputs.h
+++ b/userspace/falco/falco_outputs.h
@@ -25,6 +25,7 @@ limitations under the License.
 #include "token_bucket.h"
 #include "falco_engine.h"
 #include "outputs.h"
+#include "tbb/concurrent_queue.h"

 //
 // This class acts as the primary interface between a program and the
@@ -39,25 +40,25 @@ public:

 	void init(bool json_output,
 		  bool json_include_output_property,
+		  uint32_t timeout,
 		  uint32_t rate, uint32_t max_burst, bool buffered,
 		  bool time_format_iso_8601, std::string hostname);

 	void add_output(falco::outputs::config oc);

-	//
-	// evt is an event that has matched some rule. Pass the event
-	// to all configured outputs.
-	//
+	// Format then send the event to all configured outputs (`evt` is an event that has matched some rule).
 	void handle_event(gen_event *evt, std::string &rule, std::string &source,
 			  falco_common::priority_type priority, std::string &format);

-	// Send a generic message to all outputs. Not necessarily associated with any event.
+	// Format then send a generic message to all outputs. Not necessarily associated with any event.
 	void handle_msg(uint64_t now,
 			falco_common::priority_type priority,
 			std::string &msg,
 			std::string &rule,
 			std::map<std::string, std::string> &output_fields);

+	void cleanup_outputs();
+
 	void reopen_outputs();

 private:
@@ -71,5 +72,28 @@ private:
 	bool m_buffered;
 	bool m_json_output;
 	bool m_time_format_iso_8601;
+	std::chrono::milliseconds m_timeout;
 	std::string m_hostname;
+
+	enum ctrl_msg_type
+	{
+		CTRL_MSG_STOP = 0,
+		CTRL_MSG_OUTPUT = 1,
+		CTRL_MSG_CLEANUP = 2,
+		CTRL_MSG_REOPEN = 3,
+	};
+
+	struct ctrl_msg : falco::outputs::message
+	{
+		ctrl_msg_type type;
+	};
+
+	typedef tbb::concurrent_bounded_queue<ctrl_msg> falco_outputs_cbq;
+
+	falco_outputs_cbq m_queue;
+
+	std::thread m_worker_thread;
+	inline void push(ctrl_msg_type cmt);
+	void worker() noexcept;
+	void stop_worker();
 };
--- a/userspace/falco/outputs.h
+++ b/userspace/falco/outputs.h
@@ -37,6 +37,21 @@ struct config
 	std::map<std::string, std::string> options;
 };

+//
+// The message to be outputted. It can either refer to:
+//  - an event that has matched some rule,
+//  - or a generic message (e.g., a drop alert).
+//
+struct message
+{
+	uint64_t ts;
+	falco_common::priority_type priority;
+	std::string msg;
+	std::string rule;
+	std::string source;
+	map<std::string, std::string> fields;
+};
+
 //
 // This class acts as the primary interface for implementing
 // a Falco output class.
@@ -45,6 +60,8 @@ struct config
 class abstract_output
 {
 public:
+	virtual ~abstract_output() {}
+
 	void init(config oc, bool buffered, std::string hostname)
 	{
 		m_oc = oc;
@@ -52,15 +69,19 @@ public:
 		m_hostname = hostname;
 	}

-	// Output an event that has matched some rule.
-	virtual void output_event(gen_event *evt, std::string &rule, std::string &source,
-				  falco_common::priority_type priority, std::string &format, std::string &msg) = 0;
+	// Return the output's name as per its configuration.
+	const std::string get_name() const
+	{
+		return m_oc.name;
+	}

-	// Output a generic message. Not necessarily associated with any event.
-	virtual void output_msg(falco_common::priority_type priority, std::string &msg) = 0;
+	// Output a message.
+	virtual void output(const message *msg) = 0;

+	// Possibly close the output and open it again.
 	virtual void reopen() {}

+	// Possibly flush the output.
 	virtual void cleanup() {}

 protected:
--- a/userspace/falco/outputs_file.cpp
+++ b/userspace/falco/outputs_file.cpp
@@ -31,16 +31,10 @@ void falco::outputs::output_file::open_file()
 	}
 }

-void falco::outputs::output_file::output_event(gen_event *evt, std::string &rule, std::string &source,
-					       falco_common::priority_type priority, std::string &format, std::string &msg)
-{
-	output_msg(priority, msg);
-}
-
-void falco::outputs::output_file::output_msg(falco_common::priority_type priority, std::string &msg)
+void falco::outputs::output_file::output(const message *msg)
 {
 	open_file();
-	m_outfile << msg + "\n";
+	m_outfile << msg->msg + "\n";

 	if(m_oc.options["keep_alive"] != "true")
 	{
--- a/userspace/falco/outputs_file.h
+++ b/userspace/falco/outputs_file.h
@@ -27,10 +27,7 @@ namespace outputs

 class output_file : public abstract_output
 {
-	void output_event(gen_event *evt, std::string &rule, std::string &source,
-			  falco_common::priority_type priority, std::string &format, std::string &msg);
-
-	void output_msg(falco_common::priority_type priority, std::string &msg);
+	void output(const message *msg);

 	void cleanup();

--- a/userspace/falco/outputs_grpc.cpp
+++ b/userspace/falco/outputs_grpc.cpp
@@ -21,44 +21,41 @@ limitations under the License.
 #include "formats.h"
 #include "banned.h" // This raises a compilation error when certain functions are used

-void falco::outputs::output_grpc::output_event(gen_event *evt, std::string &rule, std::string &source,
-					       falco_common::priority_type priority, std::string &format,
-					       std::string &msg)
+void falco::outputs::output_grpc::output(const message *msg)
 {
 	falco::outputs::response grpc_res;

 	// time
 	auto timestamp = grpc_res.mutable_time();
-	*timestamp = google::protobuf::util::TimeUtil::NanosecondsToTimestamp(evt->get_ts());
+	*timestamp = google::protobuf::util::TimeUtil::NanosecondsToTimestamp(msg->ts);

 	// rule
 	auto r = grpc_res.mutable_rule();
-	*r = rule;
+	*r = msg->rule;

 	// source
 	falco::schema::source s = falco::schema::source::SYSCALL;
-	if(!falco::schema::source_Parse(source, &s))
+	if(!falco::schema::source_Parse(msg->source, &s))
 	{
-		throw falco_exception("Unknown source passed to output_grpc::output_event()");
+		throw falco_exception("Unknown source passed to output_grpc::output()");
 	}
 	grpc_res.set_source(s);

 	// priority
 	falco::schema::priority p = falco::schema::priority::EMERGENCY;
-	if(!falco::schema::priority_Parse(falco_common::priority_names[priority], &p))
+	if(!falco::schema::priority_Parse(falco_common::priority_names[msg->priority], &p))
 	{
-		throw falco_exception("Unknown priority passed to output_grpc::output_event()");
+		throw falco_exception("Unknown priority passed to output_grpc::output()");
 	}
 	grpc_res.set_priority(p);

 	// output
 	auto output = grpc_res.mutable_output();
-	*output = msg;
+	*output = msg->msg;

 	// output fields
 	auto &fields = *grpc_res.mutable_output_fields();
-	auto resolvedTkns = falco_formats::resolve_tokens(evt, source, format);
-	for(const auto &kv : resolvedTkns)
+	for(const auto &kv : msg->fields)
 	{
 		fields[kv.first] = kv.second;
 	}
@@ -68,9 +65,4 @@ void falco::outputs::output_grpc::output_event(gen_event *evt, std::string &rule
 	*host = m_hostname;

 	falco::grpc::queue::get().push(grpc_res);
-}
-
-void falco::outputs::output_grpc::output_msg(falco_common::priority_type priority, std::string &msg)
-{
-	// todo(fntlnz, leodido, leogr) > gRPC does not support subscribing to dropped events yet
 }
--- a/userspace/falco/outputs_grpc.h
+++ b/userspace/falco/outputs_grpc.h
@@ -25,10 +25,7 @@ namespace outputs

 class output_grpc : public abstract_output
 {
-	void output_event(gen_event *evt, std::string &rule, std::string &source,
-			  falco_common::priority_type priority, std::string &format, std::string &msg);
-
-	void output_msg(falco_common::priority_type priority, std::string &msg);
+	void output(const message *msg);
 };

 } // namespace outputs
--- a/userspace/falco/outputs_http.cpp
+++ b/userspace/falco/outputs_http.cpp
@@ -18,13 +18,7 @@ limitations under the License.
 #include "logger.h"
 #include "banned.h" // This raises a compilation error when certain functions are used

-void falco::outputs::output_http::output_event(gen_event *evt, std::string &rule, std::string &source,
-					       falco_common::priority_type priority, std::string &format, std::string &msg)
-{
-	output_msg(priority, msg);
-}
-
-void falco::outputs::output_http::output_msg(falco_common::priority_type priority, std::string &msg)
+void falco::outputs::output_http::output(const message *msg)
 {
 	CURL *curl = NULL;
 	CURLcode res = CURLE_FAILED_INIT;
@@ -37,7 +31,7 @@ void falco::outputs::output_http::output_msg(falco_common::priority_type priorit
 		slist1 = curl_slist_append(slist1, "Content-Type: application/json");
 		curl_easy_setopt(curl, CURLOPT_HTTPHEADER, slist1);
 		curl_easy_setopt(curl, CURLOPT_URL, m_oc.options["url"].c_str());
-		curl_easy_setopt(curl, CURLOPT_POSTFIELDS, msg.c_str());
+		curl_easy_setopt(curl, CURLOPT_POSTFIELDS, msg->msg.c_str());
 		curl_easy_setopt(curl, CURLOPT_POSTFIELDSIZE, -1L);

 		res = curl_easy_perform(curl);
--- a/userspace/falco/outputs_http.h
+++ b/userspace/falco/outputs_http.h
@@ -25,10 +25,7 @@ namespace outputs

 class output_http : public abstract_output
 {
-	void output_event(gen_event *evt, std::string &rule, std::string &source,
-			  falco_common::priority_type priority, std::string &format, std::string &msg);
-
-	void output_msg(falco_common::priority_type priority, std::string &msg);
+	void output(const message *msg);
 };

 } // namespace outputs
--- a/userspace/falco/outputs_program.cpp
+++ b/userspace/falco/outputs_program.cpp
@@ -31,17 +31,11 @@ void falco::outputs::output_program::open_pfile()
 	}
 }

-void falco::outputs::output_program::output_event(gen_event *evt, std::string &rule, std::string &source,
-						  falco_common::priority_type priority, std::string &format, std::string &msg)
-{
-	output_msg(priority, msg);
-}
-
-void falco::outputs::output_program::output_msg(falco_common::priority_type priority, std::string &msg)
+void falco::outputs::output_program::output(const message *msg)
 {
 	open_pfile();

-	fprintf(m_pfile, "%s\n", msg.c_str());
+	fprintf(m_pfile, "%s\n", msg->msg.c_str());

 	if(m_oc.options["keep_alive"] != "true")
 	{
--- a/userspace/falco/outputs_program.h
+++ b/userspace/falco/outputs_program.h
@@ -25,10 +25,7 @@ namespace outputs

 class output_program : public abstract_output
 {
-	void output_event(gen_event *evt, std::string &rule, std::string &source,
-			  falco_common::priority_type priority, std::string &format, std::string &msg);
-
-	void output_msg(falco_common::priority_type priority, std::string &msg);
+	void output(const message *msg);

 	void cleanup();

--- a/userspace/falco/outputs_stdout.cpp
+++ b/userspace/falco/outputs_stdout.cpp
@@ -18,16 +18,10 @@ limitations under the License.
 #include <iostream>
 #include "banned.h" // This raises a compilation error when certain functions are used

-void falco::outputs::output_stdout::output_event(gen_event *evt, std::string &rule, std::string &source,
-						 falco_common::priority_type priority, std::string &format, std::string &msg)
-{
-	output_msg(priority, msg);
-}
-
-void falco::outputs::output_stdout::output_msg(falco_common::priority_type priority, std::string &msg)
+void falco::outputs::output_stdout::output(const message *msg)
 {
 	//
-	// By default, the stdout stream is fully buffered or line buffered 
+	// By default, the stdout stream is fully buffered or line buffered
 	// (if the stream can be determined to refer to an interactive device, e.g. in a TTY).
 	// Just enable automatic flushing when unbuffered output is desired.
 	// Note that it is set every time since other writings to the stdout can disable it.
@@ -36,7 +30,7 @@ void falco::outputs::output_stdout::output_msg(falco_common::priority_type prior
 	{
 		std::cout << std::unitbuf;
 	}
-	std::cout << msg + "\n";
+	std::cout << msg->msg + "\n";
 }

 void falco::outputs::output_stdout::cleanup()
--- a/userspace/falco/outputs_stdout.h
+++ b/userspace/falco/outputs_stdout.h
@@ -25,10 +25,7 @@ namespace outputs

 class output_stdout : public abstract_output
 {
-	void output_event(gen_event *evt, std::string &rule, std::string &source,
-			  falco_common::priority_type priority, std::string &format, std::string &msg);
-
-	void output_msg(falco_common::priority_type priority, std::string &msg);
+	void output(const message *msg);

 	void cleanup();
 };
--- a/userspace/falco/outputs_syslog.cpp
+++ b/userspace/falco/outputs_syslog.cpp
@@ -18,14 +18,8 @@ limitations under the License.
 #include <syslog.h>
 #include "banned.h" // This raises a compilation error when certain functions are used

-void falco::outputs::output_syslog::output_event(gen_event *evt, std::string &rule, std::string &source,
-						 falco_common::priority_type priority, std::string &format, std::string &msg)
-{
-	output_msg(priority, msg);
-}
-
-void falco::outputs::output_syslog::output_msg(falco_common::priority_type priority, std::string &msg)
+void falco::outputs::output_syslog::output(const message *msg)
 {
 	// Syslog output should not have any trailing newline
-	::syslog(priority, "%s", msg.c_str());
+	::syslog(msg->priority, "%s", msg->msg.c_str());
 }
--- a/userspace/falco/outputs_syslog.h
+++ b/userspace/falco/outputs_syslog.h
@@ -25,10 +25,7 @@ namespace outputs

 class output_syslog : public abstract_output
 {
-	void output_event(gen_event *evt, std::string &rule, std::string &source,
-			  falco_common::priority_type priority, std::string &format, std::string &msg);
-
-	void output_msg(falco_common::priority_type priority, std::string &msg);
+	void output(const message *msg);
 };

 } // namespace outputs
--- a/userspace/falco/schema.proto
+++ b/userspace/falco/schema.proto
@@ -57,4 +57,7 @@ enum source {
  k8s_audit = 1;
  K8s_audit = 1;
  K8S_audit = 1;
+  INTERNAL = 2;
+  internal = 2;
+  Internal = 2;
 }
--- a/userspace/falco/watchdog.h
+++ b/userspace/falco/watchdog.h
@@ -0,0 +1,96 @@
+/*
+Copyright (C) 2020 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
+
+    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.
+*/
+
+#include <chrono>
+#include <thread>
+#include <functional>
+#include <atomic>
+
+template<typename _T>
+class watchdog
+{
+public:
+	watchdog():
+		m_timeout(nullptr),
+		m_is_running(false)
+	{
+	}
+
+	~watchdog()
+	{
+		stop();
+	}
+
+	void start(std::function<void(_T)> cb,
+		   std::chrono::milliseconds resolution = std::chrono::milliseconds(100))
+	{
+		stop();
+		m_is_running.store(true, std::memory_order_release);
+		m_thread = std::thread([this, cb, resolution]() {
+			const auto no_deadline = time_point{};
+			timeout_data curr;
+			while(m_is_running.load(std::memory_order_acquire))
+			{
+				auto t = m_timeout.exchange(nullptr, std::memory_order_release);
+				if(t)
+				{
+					curr = *t;
+					delete t;
+				}
+				if(curr.deadline != no_deadline && curr.deadline < std::chrono::steady_clock::now())
+				{
+					cb(curr.payload);
+					curr.deadline = no_deadline;
+				}
+				std::this_thread::sleep_for(resolution);
+			}
+		});
+	}
+
+	void stop()
+	{
+		if(m_is_running.load(std::memory_order_acquire))
+		{
+			m_is_running.store(false, std::memory_order_release);
+			if(m_thread.joinable())
+			{
+				m_thread.join();
+			}
+			delete m_timeout.exchange(nullptr, std::memory_order_release);
+		}
+	}
+
+	inline void set_timeout(std::chrono::milliseconds timeout, _T payload) noexcept
+	{
+		delete m_timeout.exchange(new timeout_data{std::chrono::steady_clock::now() + timeout, payload}, std::memory_order_release);
+	}
+
+	inline void cancel_timeout() noexcept
+	{
+		delete m_timeout.exchange(new timeout_data, std::memory_order_release);
+	}
+
+private:
+	typedef std::chrono::time_point<std::chrono::steady_clock> time_point;
+	struct timeout_data
+	{
+		time_point deadline;
+		_T payload;
+	};
+	std::atomic<timeout_data *> m_timeout;
+	std::atomic<bool> m_is_running;
+	std::thread m_thread;
+};
--- a/userspace/libhawk/hawk.h
+++ b/userspace/libhawk/hawk.h
@@ -1,10 +0,0 @@
-#ifndef HAWK_H
-#define HAWK_H
-extern void hawk_init();
-extern void hawk_destroy();
-
-typedef void* hawk_engine;
-typedef void (*hawk_watch_rules_cb)(char* rules_content, hawk_engine* engine);
-extern void hawk_watch_rules(hawk_watch_rules_cb cb, hawk_engine* engine);
-
-#endif //HAWK_H
Author	SHA1	Message	Date
Lorenzo Fontana	d0a1d4d75d	update: reference for the logo Signed-off-by: Lorenzo Fontana <lo@linux.com>	2020-12-09 18:36:22 +01:00
kaizhe	0a901e4f52	add exception macro Signed-off-by: kaizhe <derek0405@gmail.com>	2020-12-04 06:21:34 -05:00
kaizhe	22732e9edb	rule(Container Run as Root User): new rule created Signed-off-by: kaizhe <derek0405@gmail.com>	2020-12-04 06:21:34 -05:00
Leonardo Grasso	6a352338e3	update(userspace/falco): output worker should not throw exceptions Co-authored-by: Leonardo Di Donato <leodidonato@gmail.com> Signed-off-by: Leonardo Grasso <me@leonardograsso.com>	2020-12-01 04:18:04 -05:00
Leonardo Grasso	f8b66d051b	fix(userspace/falco) class naming convention Co-authored-by: Lorenzo Fontana <fontanalorenz@gmail.com> Signed-off-by: Leonardo Grasso <me@leonardograsso.com>	2020-12-01 04:18:04 -05:00
Leonardo Grasso	c237ddc738	chore(userspace/falco): apply suggestions from review Co-authored-by: deepskyblue86 <angelopuglisi86@gmail.com> Signed-off-by: Leonardo Grasso <me@leonardograsso.com>	2020-12-01 04:18:04 -05:00
Leonardo Grasso	9d31164a71	update(userspace/falco): clear output queue if still blocked during the shutdown Co-authored-by: Leonardo Di Donato <leodidonato@gmail.com> Signed-off-by: Leonardo Grasso <me@leonardograsso.com>	2020-12-01 04:18:04 -05:00
Leonardo Grasso	f433b449d9	chore(userspace/falco): add_output init check Signed-off-by: Leonardo Grasso <me@leonardograsso.com>	2020-12-01 04:18:04 -05:00
Leonardo Grasso	44955004e3	chore(userspace/falco): handle freeing of output objects Signed-off-by: Leonardo Grasso <me@leonardograsso.com>	2020-12-01 04:18:04 -05:00
Leonardo Grasso	a9dac551b8	docs(falco.yaml): better explanation on "output_timeout" Co-authored-by: Leonardo Di Donato <leodidonato@gmail.com> Signed-off-by: Leonardo Grasso <me@leonardograsso.com>	2020-12-01 04:18:04 -05:00
Leonardo Grasso	df8e4e0545	new: Falco config for output timeout Signed-off-by: Leonardo Grasso <me@leonardograsso.com>	2020-12-01 04:18:04 -05:00
Leonardo Grasso	321da3e5bf	chore(userspace/falco): configurable outputs timeout Signed-off-by: Leonardo Grasso <me@leonardograsso.com>	2020-12-01 04:18:04 -05:00
Leonardo Grasso	4b34b83739	new(userspace/falco): add "output_timeout" config node Signed-off-by: Leonardo Grasso <me@leonardograsso.com>	2020-12-01 04:18:04 -05:00
Leonardo Grasso	5b558cd600	update(userspace/falco): watchdog for outputs Signed-off-by: Leonardo Grasso <me@leonardograsso.com>	2020-12-01 04:18:04 -05:00
Leonardo Grasso	3b7401c2e5	new(userspace/falco): Watchdog timer utility Signed-off-by: Leonardo Grasso <me@leonardograsso.com>	2020-12-01 04:18:04 -05:00
Leonardo Grasso	aea12f4f3b	update(userspace/falco): outputs error handling Signed-off-by: Leonardo Grasso <me@leonardograsso.com>	2020-12-01 04:18:04 -05:00
Leonardo Grasso	f2637c8600	update(userspace/falco): add accessor method for output's name Signed-off-by: Leonardo Grasso <me@leonardograsso.com>	2020-12-01 04:18:04 -05:00
Leonardo Grasso	0a14d34e16	chore(userspace/falco): correct exception message Signed-off-by: Leonardo Grasso <me@leonardograsso.com>	2020-12-01 04:18:04 -05:00
Leonardo Grasso	a1bdf3ed61	update(userspace/falco): add "internal" source to outputs and proto Signed-off-by: Leonardo Grasso <me@leonardograsso.com>	2020-12-01 04:18:04 -05:00
Leonardo Grasso	d3c41c2d97	chore(userspace/falco): avoid multiple outputs init Signed-off-by: Leonardo Grasso <me@leonardograsso.com>	2020-12-01 04:18:04 -05:00
Leonardo Grasso	90d71a8e92	feat(userspace/falco): non-blocking outputs Signed-off-by: Leonardo Grasso <me@leonardograsso.com>	2020-12-01 04:18:04 -05:00
Leonardo Grasso	8eb7d83ee8	update(userspace/falco): introduce message struct for outputs Signed-off-by: Leonardo Grasso <me@leonardograsso.com>	2020-12-01 04:18:04 -05:00
deepskyblue86	3b78cda716	fix(docs): Broken outputs.proto link Fix broken outputs.proto link, previously pointing to nonexistent branch, making it point to master branch. Signed-off-by: deepskyblue86 <angelopuglisi86@gmail.com>	2020-11-23 11:28:10 -05:00
Leonardo Grasso	6ca4e11d8c	update(docker): correct container labels Signed-off-by: Leonardo Grasso <me@leonardograsso.com>	2020-11-23 11:26:08 -05:00
Leonardo Grasso	6bc97ca9e7	fix(docker/no-driver): add missing `HOST_ROOT` env Please note that the `HOME` env has been added for consistency purposes with the main docker image. Signed-off-by: Leonardo Grasso <me@leonardograsso.com>	2020-11-23 11:26:08 -05:00
Leo Di Donato	71e56ac87c	update(.github): remove stale bot in favor of lifecycle bot (prowjobs) Signed-off-by: Leonardo Di Donato <leodidonato@gmail.com>	2020-11-23 11:24:12 -05:00
Lorenzo Fontana	12b7ff9940	build: BUILD_BYPRODUCTS for civetweb The BUILD_BYPRODUCTS for the civetweb target is needed so that when Falco is built using Ninja the falco target can have a reference to understand what target is building the civetweb lib and do the build automatically without having to do `ninja civetweb` first. Signed-off-by: Lorenzo Fontana <lo@linux.com>	2020-11-16 13:23:27 -05:00
Leonardo Di Donato	648bb6294f	fix(cmake/modules): patch the max_consumers parameter of the kernel-module Falco driver Co-authored-by: Lorenzo Fontana <lo@linux.com> Signed-off-by: Leonardo Di Donato <leodidonato@gmail.com>	2020-11-13 09:21:30 -05:00
Lorenzo Fontana	dada3db3f2	docs: adding the kubernetes privileged use case to use cases Co-Authored-By: Leonardo Di Donato <leodidonato@gmail.com> Co-Authored-By: Leonardo Grasso <me@leonardograsso.com> Co-Authored-By: Massimiliano Giovagnoli <massimiliano.giovagnoli.1992@gmail.com> Co-Authored-By: Jonah Jones <jonahjones094@gmail.com> Signed-off-by: Lorenzo Fontana <lo@linux.com>	2020-11-12 14:47:22 -05:00
DingGGu	2b2856299c	rule(macro user_known_k8s_client_container): separate list of k8s images Signed-off-by: DingGGu <ggu@dunamu.com>	2020-11-11 10:22:45 -05:00
DingGGu	ec5b42074e	rule(macro user_known_k8s_ns_kube_system_images): add new macro image name inside kube-system namespace Signed-off-by: DingGGu <ggu@dunamu.com>	2020-11-11 10:22:45 -05:00
DingGGu	0b516b7d42	rule(macro user_known_k8s_ns_kube_system_images): add new macro image name inside kube-system namespace Signed-off-by: DingGGu <ggu@dunamu.com>	2020-11-11 10:22:45 -05:00
DingGGu	4954593261	rule(macro user_known_k8s_client_container): add node-problem-detector pattern to avoid false positive Signed-off-by: DingGGu <ggu@dunamu.com>	2020-11-11 10:22:45 -05:00
Leonardo Di Donato	0eff0f6003	docs: changelog for 0.26.2 Co-authored-by: Lorenzo Fontana <lo@linux.com> Signed-off-by: Leonardo Di Donato <leodidonato@gmail.com>	2020-11-10 14:10:15 -05:00
Leo Di Donato	8d10a60e42	build: remove duplicate item from FALCO_SOURCES Signed-off-by: Leonardo Di Donato <leodidonato@gmail.com>	2020-11-10 06:43:15 -05:00
Dominic Evans	4d6636a030	fix(scripts/falco-driver-loader): lsmod usage Attempting to start falco on a host that had a similarly named module (e.g., "falcon") would cause the falco-driver-loader to loop attempting to rmmod falco when falco was not loaded. falco-driver-loader will now inspect only the first column of lsmod output and require the whole search string to match Fixes #1468 Signed-off-by: Dominic Evans <dominic.evans@uk.ibm.com>	2020-11-10 04:11:07 -05:00
Lorenzo Fontana	55a93bce8b	build: bump sinsp, scap and the drivers to 5c0b863ddade7a45568c0ac97d037422c9efb750 Signed-off-by: Lorenzo Fontana <lo@linux.com>	2020-11-10 04:09:10 -05:00
Lorenzo Fontana	0f14821744	fix(userspace/falco): include directories and sources Signed-off-by: Lorenzo Fontana <fontanalorenz@gmail.com>	2020-11-10 04:09:10 -05:00
Lorenzo Fontana	e0175b1e06	build: cmake modules fixes and split Signed-off-by: Lorenzo Fontana <fontanalorenz@gmail.com>	2020-11-10 04:09:10 -05:00
Lorenzo Fontana	8be299939a	build: update sinsp, scap and the drivers to c4f096099bf81966803d26c40c6c2cb2b8d08033 Signed-off-by: Lorenzo Fontana <fontanalorenz@gmail.com>	2020-11-10 04:09:10 -05:00
Lorenzo Fontana	9828c6aeb6	build: bump gRPC to 1.32.0 Besides all the other improvements, we are really interested in getting the Make options for other ISAs than x86_64 when it comes to compiling abseil [0]. This is what happens on aarch64 ``` make[4]: *** [Makefile:2968: /root/falco/build-musl/grpc-prefix/src/grpc/objs/opt/third_party/abseil-cpp/absl/base/internal/thread_identity.o] Error 1 c++: error: unrecognized command line option '-maes' c++: error: unrecognized command line option '-msse4' c++: error: unrecognized command line option '-msse4' c++: error: unrecognized command line option '-maes' ``` [0] `bf87ec9e44` Signed-off-by: Lorenzo Fontana <fontanalorenz@gmail.com>	2020-11-10 04:09:10 -05:00
Lorenzo Fontana	7ee0eb7e9c	update: cpack specify architecture for debian packages Signed-off-by: Lorenzo Fontana <fontanalorenz@gmail.com>	2020-11-10 04:09:10 -05:00
Lorenzo Fontana	0f155c3a1f	build: switch Falco back to luajit moonjit is unmaintaned [0], and lujit recently [1] added support for the aarch64 architecture. [0] https://twitter.com/siddhesh_p/status/1308594269502885889?s=20 [1] `e9af1abec5` Signed-off-by: Lorenzo Fontana <fontanalorenz@gmail.com>	2020-11-10 04:09:10 -05:00
Lorenzo Fontana	3258bdd990	update: syscall table zero definition for arm64 Signed-off-by: Lorenzo Fontana <fontanalorenz@gmail.com>	2020-11-10 04:09:10 -05:00
Lorenzo Fontana	9f41a390a7	update: bump sinsp and scap to fntlnz-aarch64 Signed-off-by: Lorenzo Fontana <fontanalorenz@gmail.com>	2020-11-10 04:09:10 -05:00
Lorenzo Fontana	7aa6fa9897	build: use fields_info from libsinsp Related-to: https://github.com/draios/sysdig/pull/1693 Signed-off-by: Lorenzo Fontana <fontanalorenz@gmail.com>	2020-11-10 04:09:10 -05:00
Lorenzo Fontana	8dd9ebbdf9	build: moonjit replacement for luajit This is needed because Luajit does not support many architectures such as aarch64 and ppcle64. Note: some operating systems, such as Alpine, already use moonjit as a dropin replacement for luajit. Signed-off-by: Lorenzo Fontana <fontanalorenz@gmail.com>	2020-11-10 04:09:10 -05:00
kaizhe	0852a88a16	rule(macro chage_list): create new macro chage_list as execption in rule Usermgmt binaries Signed-off-by: kaizhe <derek0405@gmail.com>	2020-11-06 08:43:34 -05:00
divious1	cea9c6a377	adding lkm rule Signed-off-by: divious1 <josehelps@gmail.com>	2020-11-06 04:57:55 -05:00
Nicolas Marier	c055f02dd0	rule(macro multipath_writing_conf): create and use the macro `multipath`, which is run by `systemd-udevd`, writes to `/etc/multipath/wwids`, `/etc/multipath/bindings` and a few other paths under `/etc/multipath` as part of its normal operation. Signed-off-by: Nicolas Marier <nmarier@coveo.com>	2020-11-06 04:56:10 -05:00
Lorenzo Fontana	f5c1e7c165	build: fix build directory for xunit tests Co-Authored-By: Leonardo Di Donato <leodidonato@gmail.com> Signed-off-by: Lorenzo Fontana <lo@linux.com>	2020-11-05 11:49:40 -05:00
Lorenzo Fontana	aaf6816821	build: make our integration tests report clear steps for circleCI UI inspection via collect test data [0] [0] https://circleci.com/docs/2.0/collect-test-data/ Signed-off-by: Lorenzo Fontana <lo@linux.com>	2020-11-05 11:49:40 -05:00
Lorenzo Fontana	ee5b55c02e	docs: reach out documentation Co-Authored-By: Leonardo Di Donato <leodidonato@gmail.com> Signed-off-by: Lorenzo Fontana <lo@linux.com>	2020-11-05 08:51:06 -05:00
Christian Zunker	294804daf4	rule(list falco_privileged_images): add calico/node without registry prefix Signed-off-by: Christian Zunker <christian.zunker@codecentric.cloud>	2020-10-30 09:50:30 +01:00
Leonardo Di Donato	b3679f8a59	update: new DRIVERS_REPO default Co-authored-by: Lorenzo Fontana <lo@linux.com> Signed-off-by: Leonardo Di Donato <leodidonato@gmail.com>	2020-10-28 14:11:39 +01:00
Leonardo Di Donato	a575625043	docs(proposals): new drivers storage obsolate part of existing artifacts storage proposals Co-authored-by: Lorenzo Fontana <lo@linux.com> Signed-off-by: Leonardo Di Donato <leodidonato@gmail.com>	2020-10-28 14:11:39 +01:00
Mark Stemm	26f2aaa3eb	rule(Full K8s... Access): fix users list Use the right list name in the rule Full K8s Administrative Access--it was using the nonexistent list admin_k8s_users, so it was just using the string "admin_k8s_users". Signed-off-by: Mark Stemm <mark.stemm@gmail.com>	2020-10-28 14:09:42 +01:00
				`@@ -1 +0,0 @@`
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