Files
intel-linux-sgx/sdk/trts/trts_emodpr.cpp
Li, Xun b9b071b544 Linux 2.11 Open Source Gold Release
Supported new OS: RHEL 8.2 and SUSE 15.
Provided standalone Intel(R) SGX DCAP Quote verification library installer.
Added Intel(R) SGX DCAP Platform Certificate ID Retrieval Tool and Multi-package Registration
  Agent (MPA) installers into SGX installation repo.
Fixed bugs.

Signed-off-by: Li, Xun <xun.li@intel.com>
2020-08-28 09:01:06 +08:00

80 lines
2.7 KiB
C++

/*
* Copyright (C) 2011-2020 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 "trts_emodpr.h"
#include "sgx_trts.h" // for sgx_ocalloc, sgx_is_outside_enclave
#include "arch.h"
#include "sgx_edger8r.h" // for sgx_ocall etc.
#include "internal/rts.h"
/* sgx_ocfree() just restores the original outside stack pointer. */
#define OCALLOC(val, type, len) do { \
void* __tmp = sgx_ocalloc(len); \
if (__tmp == NULL) { \
sgx_ocfree(); \
return SGX_ERROR_UNEXPECTED;\
} \
(val) = (type)__tmp; \
} while (0)
typedef struct ms_change_permissions_ocall_t {
size_t ms_addr;
size_t ms_size;
uint64_t ms_epcm_perms;
} ms_change_permissions_ocall_t;
sgx_status_t SGXAPI change_permissions_ocall(size_t addr, size_t size, uint64_t epcm_perms, const int proc)
{
#ifdef SE_SIM
(void)addr;
(void)size;
(void)epcm_perms;
(void)proc;
return SGX_SUCCESS;
#else
sgx_status_t status = SGX_SUCCESS;
ms_change_permissions_ocall_t* ms;
OCALLOC(ms, ms_change_permissions_ocall_t*, sizeof(*ms));
ms->ms_addr = addr;
ms->ms_size = size;
ms->ms_epcm_perms = epcm_perms;
status = sgx_ocall(proc, ms);
sgx_ocfree();
return status;
#endif
}