mirror of
https://github.com/Atmosphere-NX/Atmosphere.git
synced 2024-11-30 07:42:13 +00:00
81 lines
No EOL
2.3 KiB
C++
81 lines
No EOL
2.3 KiB
C++
/*
|
|
* Copyright (c) 2018-2019 Atmosphère-NX
|
|
*
|
|
* This program is free software; you can redistribute it and/or modify it
|
|
* under the terms and conditions of the GNU General Public License,
|
|
* version 2, as published by the Free Software Foundation.
|
|
*
|
|
* This program is distributed in the hope it will be useful, but WITHOUT
|
|
* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
|
|
* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
|
|
* more details.
|
|
*
|
|
* You should have received a copy of the GNU General Public License
|
|
* along with this program. If not, see <http://www.gnu.org/licenses/>.
|
|
*/
|
|
|
|
#include <switch.h>
|
|
#include <cstdio>
|
|
#include <algorithm>
|
|
#include <stratosphere.hpp>
|
|
|
|
#include "ro_nrr.hpp"
|
|
#include "ro_registration.hpp"
|
|
|
|
Result NrrUtils::ValidateNrrSignature(const NrrHeader *header) {
|
|
/* TODO: Implement RSA-2048 PSS..... */
|
|
|
|
/* TODO: Check PSS fixed-key signature. */
|
|
if (false) {
|
|
return ResultRoNotAuthorized;
|
|
}
|
|
|
|
/* Check TitleID pattern is valid. */
|
|
if ((header->title_id & header->title_id_mask) != header->title_id_pattern) {
|
|
return ResultRoNotAuthorized;
|
|
}
|
|
|
|
/* TODO: Check PSS signature over hashes. */
|
|
if (false) {
|
|
return ResultRoNotAuthorized;
|
|
}
|
|
|
|
return ResultSuccess;
|
|
}
|
|
|
|
Result NrrUtils::ValidateNrr(const NrrHeader *header, u64 size, u64 title_id, RoModuleType expected_type, bool enforce_type) {
|
|
if (header->magic != MagicNrr0) {
|
|
return ResultRoInvalidNrr;
|
|
}
|
|
if (header->nrr_size != size) {
|
|
return ResultRoInvalidSize;
|
|
}
|
|
|
|
bool ease_nro_restriction = Registration::ShouldEaseNroRestriction();
|
|
|
|
/* Check signature. */
|
|
Result rc = ValidateNrrSignature(header);
|
|
if (R_FAILED(rc)) {
|
|
if (!ease_nro_restriction) {
|
|
return rc;
|
|
}
|
|
}
|
|
|
|
/* Check title id. */
|
|
if (title_id != header->title_id) {
|
|
if (!ease_nro_restriction) {
|
|
return ResultRoInvalidNrr;
|
|
}
|
|
}
|
|
|
|
/* Check type. */
|
|
if (GetRuntimeFirmwareVersion() >= FirmwareVersion_700) {
|
|
if (!enforce_type || expected_type != static_cast<RoModuleType>(header->nrr_type)) {
|
|
if (!ease_nro_restriction) {
|
|
return ResultRoInvalidNrrType;
|
|
}
|
|
}
|
|
}
|
|
|
|
return ResultSuccess;
|
|
} |