Initial removal of SGX targets (#6426)

Co-authored-by: Amaury Chamayou <amchamay@microsoft.com>

Author: maxtropets

.github/workflows/README.md

@@ -30,7 +30,7 @@ File: `ci-containers-ghcr.yml`
 
 # CI
 
-Main continuous integration job. Builds CCF for all target platforms, runs unit, end to end and partition tests for SGX and Virtual. Run on every commit, including PRs from forks, gates merging. Also runs once a week, regardless of commits.
+Main continuous integration job. Builds CCF for all target platforms, runs unit, end to end and partition tests Virtual. Run on every commit, including PRs from forks, gates merging. Also runs once a week, regardless of commits.
 
 File: `ci.yml`
 3rd party dependencies: None

.github/workflows/ci.yml

@@ -42,10 +42,6 @@ jobs:
             image: default
             nodes: [self-hosted, 1ES.Pool=gha-virtual-ccf-sub]
             options: --user root --publish-all --cap-add NET_ADMIN --cap-add NET_RAW --cap-add SYS_PTRACE -v /lib/modules:/lib/modules:ro
-          - name: sgx
-            image: sgx
-            nodes: [self-hosted, 1ES.Pool=gha-sgx-ccf-sub]
-            options: --user root --publish-all --cap-add NET_ADMIN --cap-add NET_RAW --device /dev/sgx_enclave:/dev/sgx_enclave --device /dev/sgx_provision:/dev/sgx_provision -v /dev/sgx:/dev/sgx -v /lib/modules:/lib/modules:ro
     runs-on: ${{ matrix.platform.nodes }}
     container:
       image: ghcr.io/microsoft/ccf/ci/${{ matrix.platform.image }}:build-25-07-2024
@@ -65,15 +61,6 @@ jobs:
           ninja
         shell: bash
 
-      - name: "Platform SGX"
-        run: |
-          sudo groupadd -fg $(/usr/bin/stat -Lc '%g' /dev/sgx/provision) sgx_prv
-          sudo usermod -a -G sgx_prv $(whoami)
-          samples/scripts/sgxinfo.sh
-          cat /proc/cpuinfo | grep flags | uniq
-        shell: bash
-        if: "${{ matrix.platform.name == 'sgx' }}"
-
       - name: "Platform SNP"
         run: |
           samples/scripts/snpinfo.sh

CMakeLists.txt

@@ -2,10 +2,10 @@
 # Licensed under the Apache 2.0 License.
 cmake_minimum_required(VERSION 3.16)
 
-set(ALLOWED_TARGETS "sgx;snp;virtual")
+set(ALLOWED_TARGETS "snp;virtual")
 
 set(COMPILE_TARGET
-    "sgx"
+    "snp"
     CACHE STRING
           "Target compilation platforms, Choose from: ${ALLOWED_TARGETS}"
 )
@@ -76,25 +76,14 @@ endif()
 
 option(
   VERBOSE_LOGGING
-  "Enable verbose, potentially unsafe logging of enclave code. Affects logging level passed at run-time to end-to-end-tests, and compile-time max verbosity on SGX."
+  "Enable verbose, potentially unsafe logging of enclave code. Affects logging level passed at run-time to end-to-end-tests."
   OFF
 )
 set(TEST_LOGGING_LEVEL "info")
 if(VERBOSE_LOGGING)
   set(TEST_LOGGING_LEVEL "trace")
 endif()
 
-# NB: Toggling VERBOSE_LOGGING on non-SGX platforms causes no build change, so
-# should not cause a rebuild
-if(COMPILE_TARGET STREQUAL "sgx" AND NOT VERBOSE_LOGGING)
-  # Disable verbose, unsafe logging of enclave code. On some platforms it is
-  # safe to build with this logging enabled, and then it can be disabled at
-  # run-time. However this run-time control is not possible on SGX, so to ensure
-  # a given MRENCLAVE cannot leak via debug logging it must be removed at
-  # build-time, with this option.
-  add_compile_definitions(CCF_DISABLE_VERBOSE_LOGGING)
-endif()
-
 option(USE_NULL_ENCRYPTOR "Turn off encryption of ledger updates - debug only"
        OFF
 )
@@ -134,9 +123,6 @@ include(${CMAKE_CURRENT_SOURCE_DIR}/cmake/tools.cmake)
 install(FILES ${CMAKE_CURRENT_SOURCE_DIR}/cmake/tools.cmake DESTINATION cmake)
 include(${CMAKE_CURRENT_SOURCE_DIR}/cmake/ccf_app.cmake)
 install(FILES ${CMAKE_CURRENT_SOURCE_DIR}/cmake/ccf_app.cmake DESTINATION cmake)
-install(FILES ${CMAKE_CURRENT_SOURCE_DIR}/cmake/open_enclave.cmake
-        DESTINATION cmake
-)
 
 if(SAN AND LVI_MITIGATIONS)
   message(
@@ -152,18 +138,6 @@ if(TSAN AND LVI_MITIGATIONS)
   )
 endif()
 
-add_custom_command(
-  COMMAND
-    openenclave::oeedger8r ${CCF_DIR}/edl/ccf.edl --search-path ${OE_INCLUDEDIR}
-    --trusted --trusted-dir ${CCF_GENERATED_DIR} --untrusted --untrusted-dir
-    ${CCF_GENERATED_DIR}
-  COMMAND mv ${CCF_GENERATED_DIR}/ccf_t.c ${CCF_GENERATED_DIR}/ccf_t.cpp
-  COMMAND mv ${CCF_GENERATED_DIR}/ccf_u.c ${CCF_GENERATED_DIR}/ccf_u.cpp
-  DEPENDS ${CCF_DIR}/edl/ccf.edl
-  OUTPUT ${CCF_GENERATED_DIR}/ccf_t.cpp ${CCF_GENERATED_DIR}/ccf_u.cpp
-  COMMENT "Generating code from EDL, and renaming to .cpp"
-)
-
 # Copy and install CCF utilities
 set(CCF_UTILITIES keygenerator.sh submit_recovery_share.sh verify_quote.sh)
 foreach(UTILITY ${CCF_UTILITIES})
@@ -184,7 +158,6 @@ foreach(UTILITY ${CCF_TEST_UTILITIES})
 endforeach()
 
 # Install additional utilities
-install(PROGRAMS ${CCF_DIR}/samples/scripts/sgxinfo.sh DESTINATION bin)
 install(PROGRAMS ${CCF_DIR}/samples/scripts/snpinfo.sh DESTINATION bin)
 install(FILES ${CCF_DIR}/tests/config.jinja DESTINATION bin)
 
@@ -199,15 +172,7 @@ install(
   USE_SOURCE_PERMISSIONS
 )
 
-if(COMPILE_TARGET STREQUAL "sgx")
-  # While virtual libraries need to be built for sgx for unit tests, these do
-  # not get installed to minimise installation size
-  set(INSTALL_VIRTUAL_LIBRARIES OFF)
-
-  if(CMAKE_BUILD_TYPE STREQUAL "Debug")
-    set(DEFAULT_ENCLAVE_TYPE debug)
-  endif()
-elseif(COMPILE_TARGET STREQUAL "snp")
+if(COMPILE_TARGET STREQUAL "snp")
   set(INSTALL_VIRTUAL_LIBRARIES OFF)
 else()
   set(INSTALL_VIRTUAL_LIBRARIES ON)
@@ -268,10 +233,6 @@ list(APPEND CCHOST_SOURCES ${CCF_DIR}/src/host/main.cpp
      ${CCF_DIR}/src/host/env.cpp
 )
 
-if(COMPILE_TARGET STREQUAL "sgx")
-  list(APPEND CCHOST_SOURCES ${CCF_GENERATED_DIR}/ccf_u.cpp)
-endif()
-
 add_executable(cchost ${CCHOST_SOURCES})
 
 add_warning_checks(cchost)
@@ -282,9 +243,7 @@ target_compile_options(
 )
 target_include_directories(cchost PRIVATE ${CCF_GENERATED_DIR})
 
-if(COMPILE_TARGET STREQUAL "sgx")
-  target_compile_definitions(cchost PUBLIC PLATFORM_SGX)
-elseif(COMPILE_TARGET STREQUAL "snp")
+if(COMPILE_TARGET STREQUAL "snp")
   target_compile_definitions(cchost PUBLIC PLATFORM_SNP)
 elseif(COMPILE_TARGET STREQUAL "virtual")
   target_compile_definitions(cchost PUBLIC PLATFORM_VIRTUAL)
@@ -294,21 +253,11 @@ target_link_libraries(
   cchost PRIVATE uv ${TLS_LIBRARY} ${CMAKE_DL_LIBS} ${CMAKE_THREAD_LIBS_INIT}
                  ${LINK_LIBCXX} ccfcrypto.host
 )
-if(COMPILE_TARGET STREQUAL "sgx")
-  target_link_libraries(cchost PRIVATE openenclave::oehost)
-endif()
 
 install(TARGETS cchost DESTINATION bin)
 
 # HTTP parser
-if(COMPILE_TARGET STREQUAL "sgx")
-  add_enclave_library_c(http_parser.enclave "${HTTP_PARSER_SOURCES}")
-  install(
-    TARGETS http_parser.enclave
-    EXPORT ccf
-    DESTINATION lib
-  )
-elseif(COMPILE_TARGET STREQUAL "snp")
+if(COMPILE_TARGET STREQUAL "snp")
   add_library(http_parser.snp "${HTTP_PARSER_SOURCES}")
   set_property(TARGET http_parser.snp PROPERTY POSITION_INDEPENDENT_CODE ON)
   install(
@@ -353,19 +302,9 @@ set(CCF_JS_SOURCES
     ${CCF_DIR}/src/js/registry.cpp
 )
 
-if(COMPILE_TARGET STREQUAL "sgx")
-  add_enclave_library(ccf_js.enclave "${CCF_JS_SOURCES}")
-  target_link_libraries(ccf_js.enclave PUBLIC ccfcrypto.enclave quickjs.enclave)
-  # JS extension observes jwt_management.h header where this definition is
-  # required
-  target_compile_definitions(ccf_js.enclave PUBLIC SGX_ATTESTATION_VERIFICATION)
-  add_warning_checks(ccf_js.enclave)
-  install(
-    TARGETS ccf_js.enclave
-    EXPORT ccf
-    DESTINATION lib
-  )
-elseif(COMPILE_TARGET STREQUAL "snp")
+set(OE_BINDIR "")
+
+if(COMPILE_TARGET STREQUAL "snp")
   add_host_library(ccf_js.snp "${CCF_JS_SOURCES}")
   add_san(ccf_js.snp)
   target_link_libraries(ccf_js.snp PUBLIC ccfcrypto.snp quickjs.snp)
@@ -395,15 +334,7 @@ set(CCF_KV_SOURCES
     ${CCF_DIR}/src/kv/untyped_map_diff.cpp
 )
 
-if(COMPILE_TARGET STREQUAL "sgx")
-  add_enclave_library(ccf_kv.enclave "${CCF_KV_SOURCES}")
-  add_warning_checks(ccf_kv.enclave)
-  install(
-    TARGETS ccf_kv.enclave
-    EXPORT ccf
-    DESTINATION lib
-  )
-elseif(COMPILE_TARGET STREQUAL "snp")
+if(COMPILE_TARGET STREQUAL "snp")
   add_host_library(ccf_kv.snp "${CCF_KV_SOURCES}")
   add_san(ccf_kv.snp)
   add_warning_checks(ccf_kv.snp)
@@ -426,23 +357,7 @@ if(INSTALL_VIRTUAL_LIBRARIES)
 endif()
 
 # CCF endpoints libs
-if(COMPILE_TARGET STREQUAL "sgx")
-  add_enclave_library(ccf_endpoints.enclave "${CCF_ENDPOINTS_SOURCES}")
-  target_include_directories(
-    ccf_endpoints.enclave PRIVATE ${CCF_DIR}/src/endpoints
-  )
-  target_link_libraries(
-    ccf_endpoints.enclave
-    PUBLIC qcbor.enclave t_cose.enclave http_parser.enclave ccfcrypto.enclave
-           ccf_kv.enclave
-  )
-  add_warning_checks(ccf_endpoints.enclave)
-  install(
-    TARGETS ccf_endpoints.enclave
-    EXPORT ccf
-    DESTINATION lib
-  )
-elseif(COMPILE_TARGET STREQUAL "snp")
+if(COMPILE_TARGET STREQUAL "snp")
   add_host_library(ccf_endpoints.snp "${CCF_ENDPOINTS_SOURCES}")
   target_include_directories(ccf_endpoints.snp PRIVATE ${CCF_DIR}/src/endpoints)
   target_link_libraries(
@@ -497,16 +412,7 @@ set(CCF_NETWORK_TEST_ARGS
 )
 
 set(JS_GENERIC_SOURCES ${CCF_DIR}/src/apps/js_generic/js_generic_base.cpp)
-if(COMPILE_TARGET STREQUAL "sgx")
-  add_enclave_library(js_generic_base.enclave ${JS_GENERIC_SOURCES})
-  target_link_libraries(js_generic_base.enclave PUBLIC ccf.enclave)
-  add_lvi_mitigations(js_generic_base.enclave)
-  install(
-    TARGETS js_generic_base.enclave
-    EXPORT ccf
-    DESTINATION lib
-  )
-elseif(COMPILE_TARGET STREQUAL "snp")
+if(COMPILE_TARGET STREQUAL "snp")
   add_library(js_generic_base.snp STATIC ${JS_GENERIC_SOURCES})
   add_san(js_generic_base.snp)
   add_warning_checks(js_generic_base.snp)
@@ -545,10 +451,6 @@ add_ccf_app(
   LINK_LIBS_VIRTUAL js_generic_base.virtual
   LINK_LIBS_SNP js_generic_base.snp INSTALL_LIBS ON
 )
-sign_app_library(
-  js_generic.enclave ${CCF_DIR}/src/apps/js_generic/oe_sign.conf
-  ${CMAKE_CURRENT_BINARY_DIR}/signing_key.pem INSTALL_LIBS ON
-)
 # SNIPPET_END: JS generic application
 
 install(DIRECTORY ${CCF_DIR}/samples/apps/logging/js
@@ -632,54 +534,8 @@ set(CCF_IMPL_SOURCE
     ${CCF_DIR}/src/enclave/thread_local.cpp ${CCF_DIR}/src/node/quote.cpp
 )
 
-if(COMPILE_TARGET STREQUAL "sgx")
-  # enclave version
-  add_enclave_library(
-    ccf.enclave ${CCF_IMPL_SOURCE} ${CCF_GENERATED_DIR}/ccf_t.cpp
-  )
-
-  # PLATFORM_SGX to initialise Open Enclave SGX enclave creation and
-  # SGX_ATTESTATION_VERIFICATION to verify SGX attestation reports.
-  target_compile_definitions(
-    ccf.enclave PUBLIC PLATFORM_SGX SGX_ATTESTATION_VERIFICATION
-  )
-
-  add_warning_checks(ccf.enclave)
-
-  target_include_directories(
-    ccf.enclave SYSTEM
-    PUBLIC
-      $<BUILD_INTERFACE:${CCF_GENERATED_DIR}>
-      $<INSTALL_INTERFACE:include/ccf/> #< This contains the private headers
-                                        #< which are currently under src, and
-                                        #< should be removed or renamed
-      $<INSTALL_INTERFACE:include/>
-      $<INSTALL_INTERFACE:include/3rdparty/>
-  )
-
-  target_link_libraries(
-    ccf.enclave
-    PUBLIC http_parser.enclave
-           sss.enclave
-           ccf_js.enclave
-           ccf_endpoints.enclave
-           ccfcrypto.enclave
-           ccf_kv.enclave
-           nghttp2.enclave
-  )
-
-  add_lvi_mitigations(ccf.enclave)
-
-  install(
-    TARGETS ccf.enclave
-    EXPORT ccf
-    DESTINATION lib
-  )
-
-  add_dependencies(ccf ccf.enclave)
-
-  # Same as virtual for the time being but will diverge soon
-elseif(COMPILE_TARGET STREQUAL "snp")
+# Same as virtual for the time being but will diverge soon
+if(COMPILE_TARGET STREQUAL "snp")
 
   # SNP version
   add_library(ccf.snp STATIC ${CCF_IMPL_SOURCE})
@@ -831,16 +687,6 @@ install(FILES samples/constitutions/default/apply.js DESTINATION bin)
 install(FILES tests/start_network.py DESTINATION bin)
 install(FILES tests/requirements.txt DESTINATION bin)
 
-# Generate an ephemeral signing key
-add_custom_command(
-  OUTPUT ${CMAKE_CURRENT_BINARY_DIR}/signing_key.pem
-  COMMAND openssl genrsa -out ${CMAKE_CURRENT_BINARY_DIR}/signing_key.pem -3
-          3072
-)
-add_custom_target(
-  signing_key ALL DEPENDS ${CMAKE_CURRENT_BINARY_DIR}/signing_key.pem
-)
-
 # Add sample apps
 add_subdirectory(${CCF_DIR}/samples)
 
@@ -1134,17 +980,14 @@ if(BUILD_TESTS)
       PROPERTY ENVIRONMENT "ASAN_OPTIONS=alloc_dealloc_mismatch=0"
     )
 
-    if(NOT UNSAFE_VERSION)
-      # Unsafe builds do not follow normal version conventions
-      add_test(NAME versionifier_test
-               COMMAND ${PYTHON}
-                       ${CMAKE_SOURCE_DIR}/python/src/ccf/_versionifier.py
-      )
+    add_test(NAME versionifier_test
+             COMMAND ${PYTHON}
+                     ${CMAKE_SOURCE_DIR}/python/src/ccf/_versionifier.py
+    )
 
-      add_test(NAME github_version_lts_test
-               COMMAND ${PYTHON} ${CMAKE_SOURCE_DIR}/tests/infra/github.py
-      )
-    endif()
+    add_test(NAME github_version_lts_test
+             COMMAND ${PYTHON} ${CMAKE_SOURCE_DIR}/tests/infra/github.py
+    )
   endif()
 
   if(NOT TSAN)
@@ -1463,9 +1306,7 @@ if(BUILD_TESTS)
       list(APPEND LTS_TEST_ARGS --check-ledger-compatibility)
     endif()
 
-    if(NOT UNSAFE_VERSION AND NOT SAN)
-      # Unsafe builds do not follow normal version conventions LTS nodes may
-      # also require different runtime libraries
+    if(NOT SAN)
       add_e2e_test(
         NAME lts_compatibility
         PYTHON_SCRIPT ${CMAKE_SOURCE_DIR}/tests/lts_compatibility.py