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Enable remote attestation by librats in SGX mode (#1445)

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Add library librats, update SGX build scripts, add sample and update document.
This commit is contained in:
Zeuson
2022-09-06 14:29:58 +08:00
committed by GitHub
parent a9cb9206d6
commit 729c4aeeaa
15 changed files with 404 additions and 18 deletions
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5
product-mini/platforms/linux-sgx/enclave-sample/Enclave/Enclave.edl
View File

@ -3,10 +3,15 @@
* SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
*/
#define LIB_RATS 0
enclave {
from "sgx_tstdc.edl" import *;
from "sgx_pthread.edl" import *;
from "sgx_wamr.edl" import *;
#if LIB_RATS != 0
from "rats.edl" import *;
#endif
trusted {
/* define ECALLs here. */

66
product-mini/platforms/linux-sgx/enclave-sample/Makefile
View File

@ -9,6 +9,13 @@ SGX_ARCH ?= x64
SGX_DEBUG ?= 0
SPEC_TEST ?= 0
VMLIB_BUILD_DIR ?= $(CURDIR)/../build
LIB_RATS_SRC ?= $(VMLIB_BUILD_DIR)/_deps/librats-build
LIB_RATS := $(shell if [ -d $(LIB_RATS_SRC) ]; then echo 1; else echo 0; fi)
LIB_RATS_INSTALL_DIR := $(VMLIB_BUILD_DIR)/librats/lib/librats
LIB_RATS_INCLUDE_DIR := $(VMLIB_BUILD_DIR)/librats/include
ifeq ($(shell getconf LONG_BIT), 32)
SGX_ARCH := x86
else ifeq ($(findstring -m32, $(CXXFLAGS)), -m32)
@ -49,6 +56,9 @@ endif
App_Cpp_Files := App/App.cpp
App_Include_Paths := -IApp -I$(SGX_SDK)/include
ifeq ($(LIB_RATS), 1)
App_Include_Paths += -I$(LIB_RATS_INCLUDE_DIR)
endif
App_C_Flags := $(SGX_COMMON_CFLAGS) -fPIC -Wno-attributes $(App_Include_Paths)
@ -79,6 +89,10 @@ else
App_Link_Flags += -lsgx_uae_service
endif
ifeq ($(LIB_RATS), 1)
App_Link_Flags += -L$(LIB_RATS_INSTALL_DIR) -lrats_u -lsgx_dcap_ql -lsgx_dcap_quoteverify -lsgx_ukey_exchange
endif
App_Cpp_Objects := $(App_Cpp_Files:.cpp=.o)
App_Name := iwasm
@ -105,21 +119,40 @@ Enclave_Include_Paths := -IEnclave -I$(WAMR_ROOT)/core/iwasm/include \
-I$(SGX_SDK)/include/tlibc \
-I$(SGX_SDK)/include/stlport
ifeq ($(LIB_RATS), 1)
Enclave_Include_Paths += -I$(LIB_RATS_INCLUDE_DIR)
endif
Enclave_C_Flags := $(SGX_COMMON_CFLAGS) -nostdinc -fvisibility=hidden -fpie -fstack-protector $(Enclave_Include_Paths)
ifeq ($(SPEC_TEST), 1)
Enclave_C_Flags += -DWASM_ENABLE_SPEC_TEST=1
else
Enclave_C_Flags += -DWASM_ENABLE_SPEC_TEST=0
endif
Enclave_Cpp_Flags := $(Enclave_C_Flags) -std=c++03 -nostdinc++
Enclave_Link_Flags := $(SGX_COMMON_CFLAGS) -Wl,--no-undefined -nostdlib -nodefaultlibs -nostartfiles -L$(SGX_LIBRARY_PATH) \
-Wl,--whole-archive -l$(Trts_Library_Name) -Wl,--no-whole-archive \
libvmlib.a \
-Wl,--start-group -lsgx_tstdc -lsgx_tcxx -lsgx_pthread -l$(Crypto_Library_Name) -l$(Service_Library_Name) -Wl,--end-group \
ifeq ($(LIB_RATS), 1)
Rats_Lib_Link_Dirs := -L$(LIB_RATS_INSTALL_DIR) -L$(LIB_RATS_INSTALL_DIR)/attesters -L$(LIB_RATS_INSTALL_DIR)/verifiers
Rats_Lib_Link_libs := -lattester_nullattester -lattester_sgx_ecdsa -lattester_sgx_la \
-lverifier_nullverifier -lverifier_sgx_ecdsa -lverifier_sgx_la -lverifier_sgx_ecdsa_qve \
-lrats_lib
endif
Enclave_Cpp_Flags := $(Enclave_C_Flags) -std=c++11 -nostdinc++
Enclave_Link_Flags := $(SGX_COMMON_CFLAGS) -Wl,--no-undefined -nostdlib -nodefaultlibs -nostartfiles -L$(SGX_LIBRARY_PATH) ${Rats_Lib_Link_Dirs} \
-Wl,--whole-archive -l$(Trts_Library_Name) ${Rats_Lib_Link_libs} -Wl,--no-whole-archive \
-Wl,--start-group -lsgx_tstdc -lsgx_tcxx -lsgx_pthread -lsgx_tkey_exchange -l$(Crypto_Library_Name) -l$(Service_Library_Name) -lsgx_dcap_tvl -Wl,--end-group \
-Wl,-Bstatic -Wl,-Bsymbolic -Wl,--no-undefined \
-Wl,-pie,-eenclave_entry -Wl,--export-dynamic \
-Wl,--defsym,__ImageBase=0
Enclave_Edl_Search_Path = --search-path ../Enclave \
--search-path $(SGX_SDK)/include \
--search-path $(WAMR_ROOT)/core/shared/platform/linux-sgx
ifeq ($(LIB_RATS), 1)
Enclave_Edl_Search_Path += --search-path $(LIB_RATS_INCLUDE_DIR)/librats/edl
endif
Enclave_Cpp_Objects := $(Enclave_Cpp_Files:.cpp=.o)
Enclave_Name := enclave.so
@ -156,12 +189,14 @@ ifneq ($(Build_Mode), HW_RELEASE)
endif
######## App Objects ########
librats:
ifeq ($(LIB_RATS), 1)
@cd $(LIB_RATS_SRC) && make install
@echo "librats build success"
endif
App/Enclave_u.c: $(SGX_EDGER8R) Enclave/Enclave.edl
@cd App && $(SGX_EDGER8R) --untrusted ../Enclave/Enclave.edl \
--search-path ../Enclave \
--search-path $(SGX_SDK)/include \
--search-path $(WAMR_ROOT)/core/shared/platform/linux-sgx
App/Enclave_u.c: $(SGX_EDGER8R) Enclave/Enclave.edl librats
@cd App && $(SGX_EDGER8R) --untrusted ../Enclave/Enclave.edl $(Enclave_Edl_Search_Path)
@echo "GEN => $@"
App/Enclave_u.o: App/Enclave_u.c
@ -172,7 +207,7 @@ App/%.o: App/%.cpp
@$(CXX) $(App_Cpp_Flags) -c $< -o $@
@echo "CXX <= $<"
libvmlib_untrusted.a: ../build/libvmlib_untrusted.a
libvmlib_untrusted.a: $(VMLIB_BUILD_DIR)/libvmlib_untrusted.a
@cp $< $@
@echo "CP $@ <= $<"
@ -183,11 +218,8 @@ $(App_Name): App/Enclave_u.o $(App_Cpp_Objects) libvmlib_untrusted.a
######## Enclave Objects ########
Enclave/Enclave_t.c: $(SGX_EDGER8R) Enclave/Enclave.edl
@cd Enclave && $(SGX_EDGER8R) --trusted ../Enclave/Enclave.edl \
--search-path ../Enclave \
--search-path $(SGX_SDK)/include \
--search-path $(WAMR_ROOT)/core/shared/platform/linux-sgx
Enclave/Enclave_t.c: $(SGX_EDGER8R) Enclave/Enclave.edl librats
@cd Enclave && $(SGX_EDGER8R) --trusted ../Enclave/Enclave.edl $(Enclave_Edl_Search_Path)
@echo "GEN => $@"
Enclave/Enclave_t.o: Enclave/Enclave_t.c
@ -198,7 +230,7 @@ Enclave/%.o: Enclave/%.cpp
@$(CXX) $(Enclave_Cpp_Flags) -c $< -o $@
@echo "CXX <= $<"
libvmlib.a: ../build/libvmlib.a
libvmlib.a: $(VMLIB_BUILD_DIR)/libvmlib.a
@cp $< $@
@echo "CP $@ <= $<"