/* * Copyright (C) 2011-2016 Intel Corporation. All rights reserved. * * Redistribution and use in source and binary forms, with or without * modification, are permitted provided that the following conditions * are met: * * * Redistributions of source code must retain the above copyright * notice, this list of conditions and the following disclaimer. * * Redistributions in binary form must reproduce the above copyright * notice, this list of conditions and the following disclaimer in * the documentation and/or other materials provided with the * distribution. * * Neither the name of Intel Corporation nor the names of its * contributors may be used to endorse or promote products derived * from this software without specific prior written permission. * * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. * */ #include "QEClass.h" #include "LEClass.h" #include "PVEClass.h" #include "PCEClass.h" #include "arch.h" #include "sgx_report.h" #include "sgx_tseal.h" #include "epid_pve_type.h" #include "util.h" #include #include #include "oal/oal.h" #include "oal/aesm_thread.h" #include "aesm_encode.h" #include "aesm_epid_blob.h" #include "aesm_xegd_blob.h" #include "aesm_logic.h" #include "pve_logic.h" #include "qe_logic.h" #include "platform_info_logic.h" #include "prov_msg_size.h" #include "se_sig_rl.h" #include "se_quote_internal.h" #include "endpoint_select_info.h" #include "se_wrapper.h" #include "ippcp.h" #include "ippcore.h" #include #include #include "ippcp.h" #include "ippcore.h" #include "prof_fun.h" #include "aesm_long_lived_thread.h" #include "sgx_profile.h" #include "service_enclave_mrsigner.hh" #define CHECK_SERVICE_STATUS if (!is_service_running()) return AESM_SERVICE_STOPPED; #define CHECK_SGX_STATUS if (g_sgx_device_status != SGX_ENABLED) return AESM_SGX_DEVICE_NOT_AVAILABLE; AESMLogicMutex AESMLogic::_qe_pve_mutex; AESMLogicMutex AESMLogic::_pse_mutex; AESMLogicMutex AESMLogic::_le_mutex; bool AESMLogic::_is_qe_psvn_set; bool AESMLogic::_is_pse_psvn_set; bool AESMLogic::_is_pce_psvn_set; psvn_t AESMLogic::_qe_psvn; psvn_t AESMLogic::_pce_psvn; psvn_t AESMLogic::_pse_psvn; uint32_t AESMLogic::active_extended_epid_group_id; static ae_error_t read_global_extended_epid_group_id(uint32_t *xeg_id) { char path_name[MAX_PATH]; ae_error_t ae_ret = aesm_get_pathname(FT_PERSISTENT_STORAGE, EXTENDED_EPID_GROUP_ID_FID, path_name, MAX_PATH); if(AE_SUCCESS != ae_ret){ return ae_ret; } FILE * f = fopen(path_name, "r"); if( f == NULL){ return OAL_CONFIG_FILE_ERROR; } ae_ret = OAL_CONFIG_FILE_ERROR; if(fscanf(f, "%u", xeg_id)==1){ ae_ret = AE_SUCCESS; } fclose(f); return ae_ret; } static ae_error_t set_global_extended_epid_group_id(uint32_t xeg_id) { char path_name[MAX_PATH]; ae_error_t ae_ret = aesm_get_pathname(FT_PERSISTENT_STORAGE, EXTENDED_EPID_GROUP_ID_FID, path_name, MAX_PATH); if(AE_SUCCESS != ae_ret){ return ae_ret; } FILE *f = fopen(path_name, "w"); if(f == NULL){ return OAL_CONFIG_FILE_ERROR; } ae_ret = OAL_CONFIG_FILE_ERROR; if(fprintf(f, "%u", xeg_id)>0){ ae_ret = AE_SUCCESS; } fclose(f); return ae_ret; } uint32_t AESMLogic::get_active_extended_epid_group_id() { return active_extended_epid_group_id; } static ae_error_t thread_to_load_qe(aesm_thread_arg_type_t arg) { epid_blob_with_cur_psvn_t epid_data; ae_error_t ae_ret = AE_FAILURE; uint32_t epid_xeid = 0; UNUSED(arg); AESM_DBG_TRACE("start to load qe"); memset(&epid_data, 0, sizeof(epid_data)); AESMLogicLock lock(AESMLogic::_qe_pve_mutex); if((ae_ret = EPIDBlob::instance().read(epid_data)) == AE_SUCCESS) { AESM_DBG_TRACE("EPID blob is read successfully, loading QE ..."); ae_ret = CQEClass::instance().load_enclave(); if(AE_SUCCESS != ae_ret) { AESM_DBG_WARN("fail to load QE: %d", ae_ret); }else{ AESM_DBG_TRACE("QE loaded successfully"); bool resealed = false; // Just take this chance to reseal EPID blob in case TCB is // upgraded, return value is ignored and no provisioning is // triggered. ae_ret = static_cast(CQEClass::instance().verify_blob( epid_data.trusted_epid_blob, SGX_TRUSTED_EPID_BLOB_SIZE_PAK, &resealed)); if(AE_SUCCESS != ae_ret) { AESM_DBG_WARN("Failed to verify EPID blob: %d", ae_ret); // The EPID blob is invalid. EPIDBlob::instance().remove(); }else{ // Check whether EPID blob XEGDID is aligned with active extended group id if it exists. if ((EPIDBlob::instance().get_extended_epid_group_id(&epid_xeid) == AE_SUCCESS) && (epid_xeid == AESMLogic::get_active_extended_epid_group_id())) { AESM_DBG_TRACE("EPID blob Verified"); // XEGDID is aligned if (true == resealed) { AESM_DBG_TRACE("EPID blob is resealed"); if ((ae_ret = EPIDBlob::instance().write(epid_data)) != AE_SUCCESS) { AESM_DBG_WARN("Failed to update epid blob: %d", ae_ret); } } } else { // XEGDID is NOT aligned AESM_DBG_TRACE("XEGDID mismatch in EPIDBlob, loading PCE ..."); EPIDBlob::instance().remove(); ae_ret = CPCEClass::instance().load_enclave(); if (AE_SUCCESS != ae_ret) { AESM_DBG_WARN("fail to load PCE: %d", ae_ret); } else{ AESM_DBG_TRACE("PCE loaded successfully"); } } } } }else{ AESM_DBG_TRACE("Fail to read EPID Blob"); } AESM_DBG_TRACE("QE Thread finished succ"); return AE_SUCCESS; } // Must be called when AESM starts ae_error_t AESMLogic::service_start() { AESM_PROFILE_INIT; ae_error_t ae_ret = AE_SUCCESS; AESM_LOG_INIT(); //ippInit();//no ippInit available for c version ipp AESM_DBG_INFO("aesm service is starting"); //Try to read current active extended epid group id ae_ret = read_global_extended_epid_group_id(&AESMLogic::active_extended_epid_group_id); if (AE_SUCCESS != ae_ret){ AESM_DBG_INFO("Fail to read extended epid group id, default extended epid group used"); AESMLogic::active_extended_epid_group_id = DEFAULT_EGID; //use default extended epid group id 0 if it is not available from data file } else{ AESM_DBG_INFO("active extended group id %d used", AESMLogic::active_extended_epid_group_id); } extended_epid_group_blob_t xegb; aesm_server_url_infos_t urls; if (AE_SUCCESS != (XEGDBlob::verify_xegd_by_xgid(active_extended_epid_group_id)) || AE_SUCCESS != (EndpointSelectionInfo::verify_file_by_xgid(active_extended_epid_group_id))){//try to load XEGD and URL file to make sure it is valid AESMLogic::active_extended_epid_group_id = DEFAULT_EGID;//If the active extended epid group id read from data file is not valid, switch to default extended epid group id } ae_ret = CLEClass::instance().load_enclave(); if(AE_SUCCESS != ae_ret) { AESM_DBG_INFO("fail to load LE: %d", ae_ret); AESM_LOG_FATAL("%s", g_event_string_table[SGX_EVENT_SERVICE_UNAVAILABLE]); return ae_ret; } aesm_thread_t qe_thread=NULL; ae_error_t aesm_ret1 = aesm_create_thread(thread_to_load_qe, 0,&qe_thread); if(AE_SUCCESS != aesm_ret1 ){ AESM_DBG_WARN("Fail to create thread to preload QE:%d",aesm_ret1); }else{ (void)aesm_free_thread(qe_thread);//release thread handle to free memory } start_white_list_thread(); AESM_DBG_TRACE("aesm service is started"); return AE_SUCCESS; } void AESMLogic::service_stop() { stop_all_long_lived_threads();//waiting for pending threads util timeout CPVEClass::instance().unload_enclave(); CPCEClass::instance().unload_enclave(); CQEClass::instance().unload_enclave(); CLEClass::instance().unload_enclave(); stop_all_long_lived_threads(); AESM_DBG_INFO("aesm service down"); AESM_LOG_FINI(); AESM_PROFILE_OUTPUT; } bool AESMLogic::is_service_running() { return true; } ae_error_t AESMLogic::save_unverified_white_list(const uint8_t *white_list_cert, uint32_t white_list_cert_size) { wl_cert_chain_t old_cert; const wl_cert_chain_t *p_new_cert = reinterpret_cast(white_list_cert); uint32_t old_cert_size = sizeof(old_cert); memset(&old_cert, 0, sizeof(old_cert)); if((aesm_read_data(FT_PERSISTENT_STORAGE, AESM_WHITE_LIST_CERT_TO_BE_VERIFY_FID, reinterpret_cast(&old_cert), &old_cert_size) == AE_SUCCESS) && (old_cert_size == sizeof(old_cert)) && (white_list_cert_size >= sizeof(wl_cert_chain_t))) { if(_ntohl(p_new_cert->wl_cert.wl_version) <= _ntohl(old_cert.wl_cert.wl_version)) { AESM_DBG_WARN("White list version downgraded! current version is %d, new version is %d", _ntohl(old_cert.wl_cert.wl_version), _ntohl(p_new_cert->wl_cert.wl_version)); return OAL_PARAMETER_ERROR; // OAL_PARAMETER_ERROR used here is to indicate the white list is incorrect } } return aesm_write_data(FT_PERSISTENT_STORAGE, AESM_WHITE_LIST_CERT_TO_BE_VERIFY_FID, white_list_cert, white_list_cert_size); } aesm_error_t AESMLogic::white_list_register( const uint8_t *white_list_cert, uint32_t white_list_cert_size) { AESM_DBG_INFO("enter function"); CHECK_SERVICE_STATUS; AESMLogicLock lock(_le_mutex); CHECK_SERVICE_STATUS; ae_error_t ret_le = AE_SUCCESS; if (NULL == white_list_cert||0==white_list_cert_size){ AESM_DBG_TRACE("Invalid parameter"); return AESM_PARAMETER_ERROR; } ae_error_t ae_ret = CLEClass::instance().load_enclave(); if(ae_ret == AE_SERVER_NOT_AVAILABLE) { AESM_DBG_WARN("LE not loaded due to AE_SERVER_NOT_AVAILABLE, possible SGX Env Not Ready"); ret_le = save_unverified_white_list(white_list_cert, white_list_cert_size); } else if(AE_FAILED(ae_ret)) { AESM_DBG_ERROR("LE not loaded:%d", ae_ret); return AESM_UNEXPECTED_ERROR; }else{ ret_le = static_cast(CLEClass::instance().white_list_register( white_list_cert, white_list_cert_size)); } switch (ret_le) { case AE_SUCCESS: return AESM_SUCCESS; case LE_INVALID_PARAMETER: AESM_DBG_TRACE("Invalid parameter"); return AESM_PARAMETER_ERROR; case LE_INVALID_ATTRIBUTE: AESM_DBG_TRACE("Launch token error"); return AESM_GET_LICENSETOKEN_ERROR; default: AESM_DBG_WARN("unexpeted error %d", ret_le); return AESM_UNEXPECTED_ERROR; } } aesm_error_t AESMLogic::get_launch_token( const uint8_t * mrenclave, uint32_t mrenclave_size, const uint8_t *public_key, uint32_t public_key_size, const uint8_t *se_attributes, uint32_t se_attributes_size, uint8_t * lictoken, uint32_t lictoken_size) { AESM_DBG_INFO("enter function"); CHECK_SERVICE_STATUS; AESMLogicLock lock(_le_mutex); CHECK_SERVICE_STATUS; ae_error_t ret_le = AE_SUCCESS; if (NULL == mrenclave || NULL == public_key || NULL == se_attributes || NULL == lictoken) { //sizes are checked in CLEClass::get_launch_token() AESM_DBG_TRACE("Invalid parameter"); return AESM_PARAMETER_ERROR; } ae_error_t ae_ret = CLEClass::instance().load_enclave(); if(ae_ret == AESM_AE_NO_DEVICE) { AESM_LOG_ERROR("%s", g_event_string_table[SGX_EVENT_SERVICE_UNAVAILABLE]); AESM_DBG_FATAL("LE not loaded due to AE_SERVER_NOT_AVAILABLE, possible SGX Env Not Ready"); return AESM_NO_DEVICE_ERROR; } else if(ae_ret == AESM_AE_OUT_OF_EPC) { AESM_DBG_WARN("LE not loaded due to out of EPC", ae_ret); return AESM_OUT_OF_EPC; } else if(AE_FAILED(ae_ret)) { AESM_DBG_ERROR("LE not loaded:%d", ae_ret); return AESM_SERVICE_UNAVAILABLE; } ret_le = static_cast(CLEClass::instance().get_launch_token( const_cast(mrenclave), mrenclave_size, const_cast(public_key), public_key_size, const_cast(se_attributes), se_attributes_size, lictoken, lictoken_size)); switch (ret_le) { case AE_SUCCESS: return AESM_SUCCESS; case LE_INVALID_PARAMETER: AESM_DBG_TRACE("Invalid parameter"); return AESM_PARAMETER_ERROR; case LE_INVALID_ATTRIBUTE: case LE_INVALID_PRIVILEGE_ERROR: AESM_DBG_TRACE("Launch token error"); return AESM_GET_LICENSETOKEN_ERROR; case LE_WHITELIST_UNINITIALIZED_ERROR: AESM_DBG_TRACE("LE whitelist uninitialized error"); return AESM_UNEXPECTED_ERROR; default: AESM_DBG_WARN("unexpeted error %d", ret_le); return AESM_UNEXPECTED_ERROR; } } /* This function will be called outside aesm(from urts_internal) */ extern "C" sgx_status_t get_launch_token(const enclave_css_t* signature, const sgx_attributes_t* attribute, sgx_launch_token_t* launch_token) { AESM_DBG_INFO("enter function"); return AESMLogic::get_launch_token(signature, attribute, launch_token); } ae_error_t AESMLogic::get_qe_isv_svn(uint16_t& isv_svn) { if(!_is_qe_psvn_set){ ae_error_t ae_err = CQEClass::instance().load_enclave(); if(AE_SUCCESS != ae_err){ AESM_DBG_ERROR("Fail to load QE Enclave:%d",ae_err); return ae_err; } } assert(_is_qe_psvn_set); if(0!=memcpy_s(&isv_svn, sizeof(isv_svn), &_qe_psvn.isv_svn, sizeof(_qe_psvn.isv_svn))){ AESM_DBG_ERROR("memcpy failed"); return AE_FAILURE; } return AE_SUCCESS; } ae_error_t AESMLogic::get_pce_isv_svn(uint16_t& isv_svn) { if(!_is_pce_psvn_set){ ae_error_t ae_err = CPCEClass::instance().load_enclave(); if(AE_SUCCESS != ae_err){ AESM_DBG_ERROR("Fail to load PCE Enclave:%d",ae_err); return ae_err; } } assert(_is_pce_psvn_set); if(0!=memcpy_s(&isv_svn, sizeof(isv_svn), &_pce_psvn.isv_svn, sizeof(_pce_psvn.isv_svn))){ AESM_DBG_ERROR("memcpy failed"); return AE_FAILURE; } return AE_SUCCESS; } ae_error_t AESMLogic::get_pse_isv_svn(uint16_t& isv_svn) { return AE_FAILURE; } ae_error_t AESMLogic::get_qe_cpu_svn(sgx_cpu_svn_t& cpu_svn) { if(!_is_qe_psvn_set){ ae_error_t ae_err = CQEClass::instance().load_enclave(); if(AE_SUCCESS != ae_err){ AESM_DBG_ERROR("Fail to load QE Enclave:%d",ae_err); return ae_err; } } assert(_is_qe_psvn_set); if(0!=memcpy_s(&cpu_svn, sizeof(sgx_cpu_svn_t), &_qe_psvn.cpu_svn, sizeof(_qe_psvn.cpu_svn))){ AESM_DBG_ERROR("memcpy failed"); return AE_FAILURE; } return AE_SUCCESS; } ae_error_t AESMLogic::set_psvn(uint16_t prod_id, uint16_t isv_svn, sgx_cpu_svn_t cpu_svn, uint32_t mrsigner_index) { if(prod_id == QE_PROD_ID){ if(mrsigner_index == AE_MR_SIGNER){ if(_is_qe_psvn_set){ if(0!=memcmp(&_qe_psvn.isv_svn, &isv_svn, sizeof(isv_svn))|| 0!=memcmp(&_qe_psvn.cpu_svn, &cpu_svn, sizeof(sgx_cpu_svn_t))){ AESM_DBG_ERROR("PSVN unmatched for QE/PVE"); return AE_PSVN_UNMATCHED_ERROR; } }else{ if(0!=memcpy_s(&_qe_psvn.isv_svn, sizeof(_qe_psvn.isv_svn), &isv_svn, sizeof(isv_svn))|| 0!=memcpy_s(&_qe_psvn.cpu_svn, sizeof(_qe_psvn.cpu_svn), &cpu_svn, sizeof(sgx_cpu_svn_t))){ AESM_DBG_ERROR("memcpy failed"); return AE_FAILURE; } AESM_DBG_TRACE("get QE or PvE isv_svn=%d",(int)isv_svn); _is_qe_psvn_set = true; return AE_SUCCESS; } }else if(mrsigner_index==PCE_MR_SIGNER){ if(_is_pce_psvn_set){ if(0!=memcmp(&_pce_psvn.isv_svn, &isv_svn, sizeof(isv_svn))|| 0!=memcmp(&_pce_psvn.cpu_svn, &cpu_svn, sizeof(sgx_cpu_svn_t))){ AESM_DBG_ERROR("PSVN unmatched for PCE"); return AE_PSVN_UNMATCHED_ERROR; } }else{ if(0!=memcpy_s(&_pce_psvn.isv_svn, sizeof(_pce_psvn.isv_svn), &isv_svn, sizeof(isv_svn))|| 0!=memcpy_s(&_pce_psvn.cpu_svn, sizeof(_pce_psvn.cpu_svn), &cpu_svn, sizeof(sgx_cpu_svn_t))){ AESM_DBG_ERROR("memcpy failed"); return AE_FAILURE; } AESM_DBG_TRACE("get PCE isv_svn=%d", (int)isv_svn); _is_pce_psvn_set = true; return AE_SUCCESS; } } }else if(prod_id == PSE_PROD_ID){ if(mrsigner_index == AE_MR_SIGNER){ if(_is_pse_psvn_set){ if(0!=memcmp(&_pse_psvn.isv_svn, &isv_svn, sizeof(isv_svn))|| 0!=memcmp(&_pse_psvn.cpu_svn, &cpu_svn, sizeof(sgx_cpu_svn_t))){ AESM_DBG_ERROR("PSVN unmatched for PSE"); return AE_PSVN_UNMATCHED_ERROR; } }else{ if(0!=memcpy_s(&_pse_psvn.isv_svn, sizeof(_pse_psvn.isv_svn), &isv_svn, sizeof(isv_svn))|| 0!=memcpy_s(&_pse_psvn.cpu_svn, sizeof(_pse_psvn.cpu_svn), &cpu_svn, sizeof(sgx_cpu_svn_t))){ AESM_DBG_ERROR("memcpy failed"); return AE_FAILURE; } AESM_DBG_TRACE("get PSE isv_svn=%d", (int)isv_svn); _is_pse_psvn_set = true; return AE_SUCCESS; } } } return AE_SUCCESS; } sgx_status_t AESMLogic::get_launch_token(const enclave_css_t* signature, const sgx_attributes_t* attribute, sgx_launch_token_t* launch_token) { AESM_DBG_INFO("enter function"); AESMLogicLock lock(_le_mutex); ae_error_t ret_le = AE_SUCCESS; uint32_t mrsigner_index = UINT32_MAX; // load LE to get launch token if((ret_le=CLEClass::instance().load_enclave()) != AE_SUCCESS) { if(ret_le == AESM_AE_NO_DEVICE) { AESM_DBG_FATAL("LE not loaded due to no SGX device available, possible SGX Env Not Ready"); return SGX_ERROR_NO_DEVICE; } else if(ret_le == AESM_AE_OUT_OF_EPC) { AESM_DBG_FATAL("LE not loaded due to out of EPC"); return SGX_ERROR_OUT_OF_EPC; } else { AESM_DBG_FATAL("fail to load LE:%d",ret_le); return SGX_ERROR_SERVICE_UNAVAILABLE; } } ret_le = static_cast(CLEClass::instance().get_launch_token( const_cast(reinterpret_cast(&signature->body.enclave_hash)), sizeof(sgx_measurement_t), const_cast(reinterpret_cast(&signature->key.modulus)), sizeof(signature->key.modulus), const_cast(reinterpret_cast(attribute)), sizeof(sgx_attributes_t), reinterpret_cast(launch_token), sizeof(token_t), &mrsigner_index)); switch (ret_le) { case AE_SUCCESS: break; case LE_INVALID_PARAMETER: AESM_DBG_TRACE("Invalid parameter"); return SGX_ERROR_INVALID_PARAMETER; case LE_INVALID_ATTRIBUTE: case LE_INVALID_PRIVILEGE_ERROR: AESM_DBG_TRACE("Launch token error"); return SGX_ERROR_SERVICE_INVALID_PRIVILEGE; case LE_WHITELIST_UNINITIALIZED_ERROR: AESM_DBG_TRACE("LE whitelist uninitialized error"); return SGX_ERROR_UNEXPECTED; default: AESM_DBG_WARN("unexpeted error %d", ret_le); return SGX_ERROR_UNEXPECTED; } token_t *lt = reinterpret_cast(launch_token); ret_le = set_psvn(signature->body.isv_prod_id, signature->body.isv_svn, lt->cpu_svn_le, mrsigner_index); if(AE_PSVN_UNMATCHED_ERROR == ret_le) { //QE or PSE has been changed, but AESM doesn't restart. Will not provide service. return SGX_ERROR_SERVICE_UNAVAILABLE; }else if(AE_SUCCESS != ret_le) { AESM_DBG_ERROR("fail to save psvn:%d", ret_le); return SGX_ERROR_UNEXPECTED; } return SGX_SUCCESS; } aesm_error_t AESMLogic::create_session( uint32_t* session_id, uint8_t* se_dh_msg1, uint32_t se_dh_msg1_size) { return AESM_SERVICE_UNAVAILABLE; } aesm_error_t AESMLogic::exchange_report( uint32_t session_id, const uint8_t* se_dh_msg2, uint32_t se_dh_msg2_size, uint8_t* se_dh_msg3, uint32_t se_dh_msg3_size) { return AESM_SERVICE_UNAVAILABLE; } aesm_error_t AESMLogic::close_session( uint32_t session_id) { return AESM_SERVICE_UNAVAILABLE; } aesm_error_t AESMLogic::invoke_service( const uint8_t* pse_message_req, uint32_t pse_message_req_size, uint8_t* pse_message_resp, uint32_t pse_message_resp_size) { return AESM_SERVICE_UNAVAILABLE;; } aesm_error_t AESMLogic::get_ps_cap( uint64_t* ps_cap) { return AESM_PSDA_UNAVAILABLE; } #define CHECK_EPID_PROVISIONG_STATUS \ if(!query_pve_thread_status()){\ return AESM_BUSY;\ } aesm_error_t AESMLogic::init_quote( uint8_t *target_info, uint32_t target_info_size, uint8_t *gid, uint32_t gid_size) { ae_error_t ret = AE_SUCCESS; uint16_t qe_isv_svn = 0xFFFF; uint16_t pce_isv_svn = 0xFFFF; sgx_cpu_svn_t qe_cpu_svn; memset(&qe_cpu_svn, 0, sizeof(qe_cpu_svn)); AESM_DBG_INFO("init_quote"); if(sizeof(sgx_target_info_t) != target_info_size || sizeof(sgx_epid_group_id_t) != gid_size) { return AESM_PARAMETER_ERROR; } AESMLogicLock lock(_qe_pve_mutex); CHECK_EPID_PROVISIONG_STATUS; ret = get_pce_isv_svn(pce_isv_svn); if(AE_SUCCESS != ret) { if(AESM_AE_OUT_OF_EPC == ret) return AESM_OUT_OF_EPC; else if(AESM_AE_NO_DEVICE == ret) return AESM_NO_DEVICE_ERROR; else if(AE_SERVER_NOT_AVAILABLE == ret) return AESM_SERVICE_UNAVAILABLE; return AESM_UNEXPECTED_ERROR; } ret = get_qe_cpu_svn(qe_cpu_svn); if(AE_SUCCESS != ret) { if(AESM_AE_OUT_OF_EPC == ret) return AESM_OUT_OF_EPC; else if(AESM_AE_NO_DEVICE == ret) return AESM_NO_DEVICE_ERROR; else if(AE_SERVER_NOT_AVAILABLE == ret) return AESM_SERVICE_UNAVAILABLE; return AESM_UNEXPECTED_ERROR; } ret = get_qe_isv_svn(qe_isv_svn); if(AE_SUCCESS != ret) { if(AESM_AE_OUT_OF_EPC == ret) return AESM_OUT_OF_EPC; else if(AESM_AE_NO_DEVICE == ret) return AESM_NO_DEVICE_ERROR; else if(AE_SERVER_NOT_AVAILABLE == ret) return AESM_SERVICE_UNAVAILABLE; return AESM_UNEXPECTED_ERROR; } return QEAESMLogic::init_quote( reinterpret_cast(target_info), gid, gid_size, pce_isv_svn, qe_isv_svn, qe_cpu_svn); } aesm_error_t AESMLogic::get_quote(const uint8_t *report, uint32_t report_size, uint32_t quote_type, const uint8_t *spid, uint32_t spid_size, const uint8_t *nonce, uint32_t nonce_size, const uint8_t *sigrl, uint32_t sigrl_size, uint8_t *qe_report, uint32_t qe_report_size, uint8_t *quote, uint32_t buf_size) { ae_error_t ret = AE_SUCCESS; uint16_t pce_isv_svn = 0xFFFF; AESM_DBG_INFO("get_quote"); if(sizeof(sgx_report_t) != report_size || sizeof(sgx_spid_t) != spid_size) { return AESM_PARAMETER_ERROR; } if((nonce && sizeof(sgx_quote_nonce_t) != nonce_size) || (qe_report && sizeof(sgx_report_t) != qe_report_size)) { return AESM_PARAMETER_ERROR; } AESMLogicLock lock(_qe_pve_mutex); CHECK_EPID_PROVISIONG_STATUS; ret = get_pce_isv_svn(pce_isv_svn); if(AE_SUCCESS != ret) { if(AESM_AE_OUT_OF_EPC == ret) return AESM_OUT_OF_EPC; else if(AESM_AE_NO_DEVICE == ret) return AESM_NO_DEVICE_ERROR; else if(AE_SERVER_NOT_AVAILABLE == ret) return AESM_SERVICE_UNAVAILABLE; return AESM_UNEXPECTED_ERROR; } return QEAESMLogic::get_quote(report, quote_type, spid, nonce, sigrl, sigrl_size, qe_report, quote, buf_size, pce_isv_svn); } uint32_t AESMLogic::endpoint_selection(endpoint_selection_infos_t& es_info) { AESMLogicLock lock(_qe_pve_mutex); SGX_DBGPRINT_ONE_STRING_TWO_INTS_ENDPOINT_SELECTION(__FUNCTION__" (line, 0)", __LINE__, 0); return EndpointSelectionInfo::instance().start_protocol(es_info); } aesm_error_t AESMLogic::report_attestation_status( uint8_t* platform_info, uint32_t platform_info_size, uint32_t attestation_status, uint8_t* update_info, uint32_t update_info_size) { AESM_DBG_INFO("report_attestation_status"); AESMLogicLock lock(_pse_mutex); return PlatformInfoLogic::report_attestation_status(platform_info, platform_info_size, attestation_status, update_info, update_info_size); } uint32_t AESMLogic::is_gid_matching_result_in_epid_blob(const GroupID& gid) { AESMLogicLock lock(_qe_pve_mutex); EPIDBlob& epid_blob = EPIDBlob::instance(); uint32_t le_gid; if(epid_blob.get_sgx_gid(&le_gid)!=AE_SUCCESS){//get littlen endian gid return GIDMT_UNEXPECTED_ERROR; } le_gid=_htonl(le_gid);//use bigendian gid se_static_assert(sizeof(le_gid)==sizeof(gid)); if(memcmp(&le_gid,&gid,sizeof(gid))!=0){ return GIDMT_UNMATCHED; } return GIDMT_MATCHED; } ae_error_t AESMLogic::get_white_list_size_without_lock(uint32_t *white_list_cert_size) { uint32_t white_cert_size = 0; ae_error_t ae_ret = aesm_query_data_size(FT_PERSISTENT_STORAGE, AESM_WHITE_LIST_CERT_FID, &white_cert_size); if (AE_SUCCESS == ae_ret) { if (white_cert_size != 0){//file existing and not 0 size *white_list_cert_size = white_cert_size; return AE_SUCCESS; } else return AE_FAILURE; } else { return ae_ret; } } aesm_error_t AESMLogic::get_white_list_size( uint32_t* white_list_cert_size) { if (NULL == white_list_cert_size){ return AESM_PARAMETER_ERROR; } CHECK_SERVICE_STATUS; AESMLogicLock lock(_le_mutex); CHECK_SERVICE_STATUS; ae_error_t ae_ret = get_white_list_size_without_lock(white_list_cert_size); if (AE_SUCCESS == ae_ret) return AESM_SUCCESS; else return AESM_UNEXPECTED_ERROR; } aesm_error_t AESMLogic::get_white_list( uint8_t *white_list_cert, uint32_t buf_size) { uint32_t white_cert_size=0; if (NULL == white_list_cert){ return AESM_PARAMETER_ERROR; } CHECK_SERVICE_STATUS; AESMLogicLock lock(_le_mutex); CHECK_SERVICE_STATUS; ae_error_t ae_ret = get_white_list_size_without_lock(&white_cert_size); if (AE_SUCCESS != ae_ret) return AESM_UNEXPECTED_ERROR; if (white_cert_size != buf_size) { return AESM_PARAMETER_ERROR; } ae_ret = aesm_read_data(FT_PERSISTENT_STORAGE, AESM_WHITE_LIST_CERT_FID, white_list_cert, &white_cert_size); if (AE_SUCCESS != ae_ret){ AESM_DBG_WARN("Fail to read white cert list file"); return AESM_UNEXPECTED_ERROR; } return AESM_SUCCESS; } ae_error_t sgx_error_to_ae_error(sgx_status_t status) { if(SGX_ERROR_OUT_OF_MEMORY == status) return AE_OUT_OF_MEMORY_ERROR; if(SGX_SUCCESS == status) return AE_SUCCESS; return AE_FAILURE; } aesm_error_t AESMLogic::switch_extended_epid_group( uint32_t extended_epid_group_id ) { AESM_DBG_INFO("AESMLogic::switch_extended_epid_group"); ae_error_t ae_ret; extended_epid_group_blob_t xegb; aesm_server_url_infos_t urls; if ((ae_ret = XEGDBlob::verify_xegd_by_xgid(extended_epid_group_id)) != AE_SUCCESS || (ae_ret = EndpointSelectionInfo::verify_file_by_xgid(extended_epid_group_id)) != AE_SUCCESS){ AESM_DBG_INFO("Fail to switch to extended epid group to %d due to XEGD blob for URL blob not available", extended_epid_group_id); return AESM_PARAMETER_ERROR; } ae_ret = set_global_extended_epid_group_id(extended_epid_group_id); if (ae_ret != AE_SUCCESS){ AESM_DBG_INFO("Fail to switch to extended epid group %d", extended_epid_group_id); return AESM_UNEXPECTED_ERROR; } AESM_DBG_INFO("Succ to switch to extended epid group %d in data file, restart aesm required to use it", extended_epid_group_id); return AESM_SUCCESS; } aesm_error_t AESMLogic::get_extended_epid_group_id( uint32_t* extended_epid_group_id) { AESM_DBG_INFO("AESMLogic::get_extended_epid_group"); if (NULL == extended_epid_group_id) { return AESM_PARAMETER_ERROR; } *extended_epid_group_id = get_active_extended_epid_group_id(); return AESM_SUCCESS; }