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boot: move updater into libstrat

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This commit is contained in:
Michael Scire 2019-06-22 12:30:36 -07:00
parent d0d4888184
commit 1e7f41ea9f
14 changed files with 3 additions and 1411 deletions
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2
stratosphere/boot/Makefile
View file

@ -33,7 +33,7 @@ endef
#--------------------------------------------------------------------------------- #---------------------------------------------------------------------------------
TARGET := $(notdir $(CURDIR)) TARGET := $(notdir $(CURDIR))
BUILD := build BUILD := build
SOURCES := source source/i2c source/i2c/driver source/i2c/driver/impl source/updater source/gpio source/pinmux SOURCES := source source/i2c source/i2c/driver source/i2c/driver/impl source/gpio source/pinmux
DATA := data DATA := data
INCLUDES := include ../../common/include INCLUDES := include ../../common/include
EXEFS_SRC := exefs_src EXEFS_SRC := exefs_src

3
stratosphere/boot/source/boot_repair_boot_images.cpp
View file

@ -15,12 +15,11 @@
*/ */
#include <stratosphere/spl.hpp> #include <stratosphere/spl.hpp>
#include <stratosphere/updater.hpp>
#include "boot_power_utils.hpp" #include "boot_power_utils.hpp"
#include "boot_repair_boot_images.hpp" #include "boot_repair_boot_images.hpp"
#include "updater/updater_api.hpp"
namespace sts::boot { namespace sts::boot {
namespace { namespace {

562
stratosphere/boot/source/updater/updater_api.cpp
View file

@ -1,562 +0,0 @@
/*
* 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 <stratosphere.hpp>
#include "updater_api.hpp"
#include "updater_bis_save.hpp"
#include "updater_files.hpp"
#include "updater_paths.hpp"
namespace sts::updater {
namespace {
/* Validation Prototypes. */
Result ValidateWorkBuffer(const void *work_buffer, size_t work_buffer_size);
/* Configuration Prototypes. */
bool HasEks(BootImageUpdateType boot_image_update_type);
bool HasAutoRcmPreserve(BootImageUpdateType boot_image_update_type);
u32 GetNcmTitleType(BootModeType mode);
Result GetBootImagePackageDataId(u64 *out_data_id, BootModeType mode, void *work_buffer, size_t work_buffer_size);
/* Verification Prototypes. */
Result GetVerificationState(VerificationState *out, void *work_buffer, size_t work_buffer_size);
Result VerifyBootImages(u64 data_id, BootModeType mode, void *work_buffer, size_t work_buffer_size, BootImageUpdateType boot_image_update_type);
Result VerifyBootImagesNormal(u64 data_id, void *work_buffer, size_t work_buffer_size, BootImageUpdateType boot_image_update_type);
Result VerifyBootImagesSafe(u64 data_id, void *work_buffer, size_t work_buffer_size, BootImageUpdateType boot_image_update_type);
/* Update Prototypes. */
Result SetVerificationNeeded(BootModeType mode, bool needed, void *work_buffer, size_t work_buffer_size);
Result UpdateBootImages(u64 data_id, BootModeType mode, void *work_buffer, size_t work_buffer_size, BootImageUpdateType boot_image_update_type);
Result UpdateBootImagesNormal(u64 data_id, void *work_buffer, size_t work_buffer_size, BootImageUpdateType boot_image_update_type);
Result UpdateBootImagesSafe(u64 data_id, void *work_buffer, size_t work_buffer_size, BootImageUpdateType boot_image_update_type);
/* Package helpers. */
Result ValidateBctFileHash(Boot0Accessor &accessor, Boot0Partition which, const void *stored_hash, void *work_buffer, size_t work_buffer_size, BootImageUpdateType boot_image_update_type);
Result GetPackage2Hash(void *dst_hash, size_t package2_size, void *work_buffer, size_t work_buffer_size, Package2Type which);
Result WritePackage2(void *work_buffer, size_t work_buffer_size, Package2Type which, BootImageUpdateType boot_image_update_type);
/* Implementations. */
Result ValidateWorkBuffer(const void *work_buffer, size_t work_buffer_size) {
if (work_buffer_size < BctSize + EksSize) {
return ResultUpdaterTooSmallWorkBuffer;
}
if (reinterpret_cast<uintptr_t>(work_buffer) & 0xFFF) {
return ResultUpdaterMisalignedWorkBuffer;
}
if (reinterpret_cast<uintptr_t>(work_buffer_size) & 0x1FF) {
return ResultUpdaterMisalignedWorkBuffer;
}
return ResultSuccess;
}
bool HasEks(BootImageUpdateType boot_image_update_type) {
switch (boot_image_update_type) {
case BootImageUpdateType::Erista:
return true;
case BootImageUpdateType::Mariko:
return false;
default:
std::abort();
}
}
bool HasAutoRcmPreserve(BootImageUpdateType boot_image_update_type) {
switch (boot_image_update_type) {
case BootImageUpdateType::Erista:
return true;
case BootImageUpdateType::Mariko:
return false;
default:
std::abort();
}
}
u32 GetNcmTitleType(BootModeType mode) {
switch (mode) {
case BootModeType::Normal:
return NcmContentMetaType_BootImagePackage;
case BootModeType::Safe:
return NcmContentMetaType_BootImagePackageSafe;
default:
std::abort();
}
}
Result GetVerificationState(VerificationState *out, void *work_buffer, size_t work_buffer_size) {
/* Always set output to true before doing anything else. */
out->needs_verify_normal = true;
out->needs_verify_safe = true;
/* Ensure work buffer is big enough for us to do what we want to do. */
R_TRY(ValidateWorkBuffer(work_buffer, work_buffer_size));
/* Initialize boot0 save accessor. */
BisSave save;
R_TRY(save.Initialize(work_buffer, work_buffer_size));
ON_SCOPE_EXIT { save.Finalize(); };
/* Load save from NAND. */
R_TRY(save.Load());
/* Read data from save. */
out->needs_verify_normal = save.GetNeedsVerification(BootModeType::Normal);
out->needs_verify_safe = save.GetNeedsVerification(BootModeType::Safe);
return ResultSuccess;
}
Result VerifyBootImagesAndRepairIfNeeded(bool *out_repaired, BootModeType mode, void *work_buffer, size_t work_buffer_size, BootImageUpdateType boot_image_update_type) {
/* Get system data id for boot images (819/81A/81B/81C). */
u64 bip_data_id = 0;
R_TRY(GetBootImagePackageDataId(&bip_data_id, mode, work_buffer, work_buffer_size));
/* Verify the boot images in NAND. */
R_TRY_CATCH(VerifyBootImages(bip_data_id, mode, work_buffer, work_buffer_size, boot_image_update_type)) {
R_CATCH(ResultUpdaterNeedsRepairBootImages) {
/* Perform repair. */
*out_repaired = true;
R_TRY(UpdateBootImages(bip_data_id, mode, work_buffer, work_buffer_size, boot_image_update_type));
}
} R_END_TRY_CATCH;
/* We've either just verified or just repaired. Either way, we don't need to verify any more. */
return SetVerificationNeeded(mode, false, work_buffer, work_buffer_size);
}
Result GetBootImagePackageDataId(u64 *out_data_id, BootModeType mode, void *work_buffer, size_t work_buffer_size) {
/* Ensure we can read content metas. */
constexpr size_t MaxContentMetas = 0x40;
if (work_buffer_size < sizeof(NcmMetaRecord) * MaxContentMetas) {
std::abort();
}
/* Open NAND System meta database, list contents. */
NcmContentMetaDatabase meta_db;
R_TRY(ncmOpenContentMetaDatabase(FsStorageId_NandSystem, &meta_db));
ON_SCOPE_EXIT { serviceClose(&meta_db.s); };
NcmMetaRecord *records = reinterpret_cast<NcmMetaRecord *>(work_buffer);
const u32 title_type = GetNcmTitleType(mode);
u32 written_entries;
u32 total_entries;
R_TRY(ncmContentMetaDatabaseList(&meta_db, title_type, 0, 0, UINT64_MAX, records, MaxContentMetas * sizeof(*records), &written_entries, &total_entries));
if (total_entries == 0) {
return ResultUpdaterBootImagePackageNotFound;
}
if (total_entries != written_entries) {
std::abort();
}
/* Output is sorted, return the lowest valid exfat entry. */
if (total_entries > 1) {
for (size_t i = 0; i < total_entries; i++) {
u8 attr;
R_TRY(ncmContentMetaDatabaseGetAttributes(&meta_db, &records[i], &attr));
if (attr & NcmContentMetaAttribute_Exfat) {
*out_data_id = records[i].titleId;
return ResultSuccess;
}
}
}
/* If there's only one entry or no exfat entries, return that entry. */
*out_data_id = records[0].titleId;
return ResultSuccess;
}
Result VerifyBootImages(u64 data_id, BootModeType mode, void *work_buffer, size_t work_buffer_size, BootImageUpdateType boot_image_update_type) {
switch (mode) {
case BootModeType::Normal:
return VerifyBootImagesNormal(data_id, work_buffer, work_buffer_size, boot_image_update_type);
case BootModeType::Safe:
return VerifyBootImagesSafe(data_id, work_buffer, work_buffer_size, boot_image_update_type);
default:
std::abort();
}
}
Result VerifyBootImagesNormal(u64 data_id, void *work_buffer, size_t work_buffer_size, BootImageUpdateType boot_image_update_type) {
/* Ensure work buffer is big enough for us to do what we want to do. */
R_TRY(ValidateWorkBuffer(work_buffer, work_buffer_size));
R_TRY_CATCH(romfsMountFromDataArchive(data_id, FsStorageId_NandSystem, GetBootImagePackageMountPath())) {
R_CATCH(ResultFsTargetNotFound) {
return ResultUpdaterBootImagePackageNotFound;
}
} R_END_TRY_CATCH;
ON_SCOPE_EXIT { if (R_FAILED(romfsUnmount(GetBootImagePackageMountPath()))) { std::abort(); } };
/* Read and validate hashes of boot images. */
{
size_t size;
u8 nand_hash[SHA256_HASH_SIZE];
u8 file_hash[SHA256_HASH_SIZE];
Boot0Accessor boot0_accessor;
R_TRY(boot0_accessor.Initialize());
ON_SCOPE_EXIT { boot0_accessor.Finalize(); };
/* Compare BCT hashes. */
R_TRY(boot0_accessor.GetHash(nand_hash, BctSize, work_buffer, work_buffer_size, Boot0Partition::BctNormalMain));
R_TRY(ValidateBctFileHash(boot0_accessor, Boot0Partition::BctNormalMain, nand_hash, work_buffer, work_buffer_size, boot_image_update_type));
/* Compare BCT Sub hashes. */
R_TRY(boot0_accessor.GetHash(nand_hash, BctSize, work_buffer, work_buffer_size, Boot0Partition::BctNormalSub));
R_TRY(ValidateBctFileHash(boot0_accessor, Boot0Partition::BctNormalSub, nand_hash, work_buffer, work_buffer_size, boot_image_update_type));
/* Compare Package1 Normal/Sub hashes. */
R_TRY(GetFileHash(&size, file_hash, GetPackage1Path(boot_image_update_type), work_buffer, work_buffer_size));
R_TRY(boot0_accessor.GetHash(nand_hash, size, work_buffer, work_buffer_size, Boot0Partition::Package1NormalMain));
if (std::memcmp(file_hash, nand_hash, SHA256_HASH_SIZE) != 0) {
return ResultUpdaterNeedsRepairBootImages;
}
R_TRY(boot0_accessor.GetHash(nand_hash, size, work_buffer, work_buffer_size, Boot0Partition::Package1NormalSub));
if (std::memcmp(file_hash, nand_hash, SHA256_HASH_SIZE) != 0) {
return ResultUpdaterNeedsRepairBootImages;
}
/* Compare Package2 Normal/Sub hashes. */
R_TRY(GetFileHash(&size, file_hash, GetPackage2Path(boot_image_update_type), work_buffer, work_buffer_size));
R_TRY(GetPackage2Hash(nand_hash, size, work_buffer, work_buffer_size, Package2Type::NormalMain));
if (std::memcmp(file_hash, nand_hash, SHA256_HASH_SIZE) != 0) {
return ResultUpdaterNeedsRepairBootImages;
}
R_TRY(GetPackage2Hash(nand_hash, size, work_buffer, work_buffer_size, Package2Type::NormalSub));
if (std::memcmp(file_hash, nand_hash, SHA256_HASH_SIZE) != 0) {
return ResultUpdaterNeedsRepairBootImages;
}
}
return ResultSuccess;
}
Result VerifyBootImagesSafe(u64 data_id, void *work_buffer, size_t work_buffer_size, BootImageUpdateType boot_image_update_type) {
/* Ensure work buffer is big enough for us to do what we want to do. */
R_TRY(ValidateWorkBuffer(work_buffer, work_buffer_size));
R_TRY_CATCH(romfsMountFromDataArchive(data_id, FsStorageId_NandSystem, GetBootImagePackageMountPath())) {
R_CATCH(ResultFsTargetNotFound) {
return ResultUpdaterBootImagePackageNotFound;
}
} R_END_TRY_CATCH;
ON_SCOPE_EXIT { if (R_FAILED(romfsUnmount(GetBootImagePackageMountPath()))) { std::abort(); } };
/* Read and validate hashes of boot images. */
{
size_t size;
u8 nand_hash[SHA256_HASH_SIZE];
u8 file_hash[SHA256_HASH_SIZE];
Boot0Accessor boot0_accessor;
R_TRY(boot0_accessor.Initialize());
ON_SCOPE_EXIT { boot0_accessor.Finalize(); };
Boot1Accessor boot1_accessor;
R_TRY(boot1_accessor.Initialize());
ON_SCOPE_EXIT { boot1_accessor.Finalize(); };
/* Compare BCT hashes. */
R_TRY(boot0_accessor.GetHash(nand_hash, BctSize, work_buffer, work_buffer_size, Boot0Partition::BctSafeMain));
R_TRY(ValidateBctFileHash(boot0_accessor, Boot0Partition::BctSafeMain, nand_hash, work_buffer, work_buffer_size, boot_image_update_type));
/* Compare BCT Sub hashes. */
R_TRY(boot0_accessor.GetHash(nand_hash, BctSize, work_buffer, work_buffer_size, Boot0Partition::BctSafeSub));
R_TRY(ValidateBctFileHash(boot0_accessor, Boot0Partition::BctSafeSub, nand_hash, work_buffer, work_buffer_size, boot_image_update_type));
/* Compare Package1 Normal/Sub hashes. */
R_TRY(GetFileHash(&size, file_hash, GetPackage1Path(boot_image_update_type), work_buffer, work_buffer_size));
R_TRY(boot1_accessor.GetHash(nand_hash, size, work_buffer, work_buffer_size, Boot1Partition::Package1SafeMain));
if (std::memcmp(file_hash, nand_hash, SHA256_HASH_SIZE) != 0) {
return ResultUpdaterNeedsRepairBootImages;
}
R_TRY(boot1_accessor.GetHash(nand_hash, size, work_buffer, work_buffer_size, Boot1Partition::Package1SafeSub));
if (std::memcmp(file_hash, nand_hash, SHA256_HASH_SIZE) != 0) {
return ResultUpdaterNeedsRepairBootImages;
}
/* Compare Package2 Normal/Sub hashes. */
R_TRY(GetFileHash(&size, file_hash, GetPackage2Path(boot_image_update_type), work_buffer, work_buffer_size));
R_TRY(GetPackage2Hash(nand_hash, size, work_buffer, work_buffer_size, Package2Type::SafeMain));
if (std::memcmp(file_hash, nand_hash, SHA256_HASH_SIZE) != 0) {
return ResultUpdaterNeedsRepairBootImages;
}
R_TRY(GetPackage2Hash(nand_hash, size, work_buffer, work_buffer_size, Package2Type::SafeSub));
if (std::memcmp(file_hash, nand_hash, SHA256_HASH_SIZE) != 0) {
return ResultUpdaterNeedsRepairBootImages;
}
}
return ResultSuccess;
}
Result UpdateBootImages(u64 data_id, BootModeType mode, void *work_buffer, size_t work_buffer_size, BootImageUpdateType boot_image_update_type) {
switch (mode) {
case BootModeType::Normal:
return UpdateBootImagesNormal(data_id, work_buffer, work_buffer_size, boot_image_update_type);
case BootModeType::Safe:
return UpdateBootImagesSafe(data_id, work_buffer, work_buffer_size, boot_image_update_type);
default:
std::abort();
}
}
Result UpdateBootImagesNormal(u64 data_id, void *work_buffer, size_t work_buffer_size, BootImageUpdateType boot_image_update_type) {
/* Ensure work buffer is big enough for us to do what we want to do. */
R_TRY(ValidateWorkBuffer(work_buffer, work_buffer_size));
R_TRY_CATCH(romfsMountFromDataArchive(data_id, FsStorageId_NandSystem, GetBootImagePackageMountPath())) {
R_CATCH(ResultFsTargetNotFound) {
return ResultUpdaterBootImagePackageNotFound;
}
} R_END_TRY_CATCH;
ON_SCOPE_EXIT { if (R_FAILED(romfsUnmount(GetBootImagePackageMountPath()))) { std::abort(); } };
{
Boot0Accessor boot0_accessor;
R_TRY(boot0_accessor.Initialize());
ON_SCOPE_EXIT { boot0_accessor.Finalize(); };
/* Write Package1 sub. */
R_TRY(boot0_accessor.Clear(work_buffer, work_buffer_size, Boot0Partition::Package1NormalSub));
R_TRY(boot0_accessor.Write(GetPackage1Path(boot_image_update_type), work_buffer, work_buffer_size, Boot0Partition::Package1NormalSub));
/* Write Package2 sub. */
R_TRY(WritePackage2(work_buffer, work_buffer_size, Package2Type::NormalSub, boot_image_update_type));
/* Write BCT sub + BCT main, in that order. */
{
void *bct = reinterpret_cast<void *>(reinterpret_cast<uintptr_t>(work_buffer) + 0);
void *work = reinterpret_cast<void *>(reinterpret_cast<uintptr_t>(work_buffer) + BctSize);
size_t size;
R_TRY(ReadFile(&size, bct, BctSize, GetBctPath(boot_image_update_type)));
if (HasEks(boot_image_update_type)) {
R_TRY(boot0_accessor.UpdateEks(bct, work));
}
/* Only preserve autorcm if on a unit with unpatched rcm bug. */
if (HasAutoRcmPreserve(boot_image_update_type) && !IsRcmBugPatched()) {
R_TRY(boot0_accessor.PreserveAutoRcm(bct, work, Boot0Partition::BctNormalSub));
R_TRY(boot0_accessor.Write(bct, BctSize, Boot0Partition::BctNormalSub));
R_TRY(boot0_accessor.PreserveAutoRcm(bct, work, Boot0Partition::BctNormalMain));
R_TRY(boot0_accessor.Write(bct, BctSize, Boot0Partition::BctNormalMain));
} else {
R_TRY(boot0_accessor.Write(bct, BctSize, Boot0Partition::BctNormalSub));
R_TRY(boot0_accessor.Write(bct, BctSize, Boot0Partition::BctNormalMain));
}
}
/* Write Package2 main. */
R_TRY(WritePackage2(work_buffer, work_buffer_size, Package2Type::NormalMain, boot_image_update_type));
/* Write Package1 main. */
R_TRY(boot0_accessor.Clear(work_buffer, work_buffer_size, Boot0Partition::Package1NormalMain));
R_TRY(boot0_accessor.Write(GetPackage1Path(boot_image_update_type), work_buffer, work_buffer_size, Boot0Partition::Package1NormalMain));
}
return ResultSuccess;
}
Result UpdateBootImagesSafe(u64 data_id, void *work_buffer, size_t work_buffer_size, BootImageUpdateType boot_image_update_type) {
/* Ensure work buffer is big enough for us to do what we want to do. */
R_TRY(ValidateWorkBuffer(work_buffer, work_buffer_size));
R_TRY_CATCH(romfsMountFromDataArchive(data_id, FsStorageId_NandSystem, GetBootImagePackageMountPath())) {
R_CATCH(ResultFsTargetNotFound) {
return ResultUpdaterBootImagePackageNotFound;
}
} R_END_TRY_CATCH;
ON_SCOPE_EXIT { if (R_FAILED(romfsUnmount(GetBootImagePackageMountPath()))) { std::abort(); } };
{
Boot0Accessor boot0_accessor;
R_TRY(boot0_accessor.Initialize());
ON_SCOPE_EXIT { boot0_accessor.Finalize(); };
Boot1Accessor boot1_accessor;
R_TRY(boot1_accessor.Initialize());
ON_SCOPE_EXIT { boot1_accessor.Finalize(); };
/* Write Package1 sub. */
R_TRY(boot1_accessor.Clear(work_buffer, work_buffer_size, Boot1Partition::Package1SafeSub));
R_TRY(boot1_accessor.Write(GetPackage1Path(boot_image_update_type), work_buffer, work_buffer_size, Boot1Partition::Package1SafeSub));
/* Write Package2 sub. */
R_TRY(WritePackage2(work_buffer, work_buffer_size, Package2Type::SafeSub, boot_image_update_type));
/* Write BCT sub + BCT main, in that order. */
{
void *bct = reinterpret_cast<void *>(reinterpret_cast<uintptr_t>(work_buffer) + 0);
void *work = reinterpret_cast<void *>(reinterpret_cast<uintptr_t>(work_buffer) + BctSize);
size_t size;
R_TRY(ReadFile(&size, bct, BctSize, GetBctPath(boot_image_update_type)));
if (HasEks(boot_image_update_type)) {
R_TRY(boot0_accessor.UpdateEks(bct, work));
}
/* Only preserve autorcm if on a unit with unpatched rcm bug. */
if (HasAutoRcmPreserve(boot_image_update_type) && !IsRcmBugPatched()) {
R_TRY(boot0_accessor.PreserveAutoRcm(bct, work, Boot0Partition::BctSafeSub));
R_TRY(boot0_accessor.Write(bct, BctSize, Boot0Partition::BctSafeSub));
R_TRY(boot0_accessor.PreserveAutoRcm(bct, work, Boot0Partition::BctSafeMain));
R_TRY(boot0_accessor.Write(bct, BctSize, Boot0Partition::BctSafeMain));
} else {
R_TRY(boot0_accessor.Write(bct, BctSize, Boot0Partition::BctSafeSub));
R_TRY(boot0_accessor.Write(bct, BctSize, Boot0Partition::BctSafeMain));
}
}
/* Write Package2 main. */
R_TRY(WritePackage2(work_buffer, work_buffer_size, Package2Type::SafeMain, boot_image_update_type));
/* Write Package1 main. */
R_TRY(boot1_accessor.Clear(work_buffer, work_buffer_size, Boot1Partition::Package1SafeMain));
R_TRY(boot1_accessor.Write(GetPackage1Path(boot_image_update_type), work_buffer, work_buffer_size, Boot1Partition::Package1SafeMain));
}
return ResultSuccess;
}
Result SetVerificationNeeded(BootModeType mode, bool needed, void *work_buffer, size_t work_buffer_size) {
/* Ensure work buffer is big enough for us to do what we want to do. */
R_TRY(ValidateWorkBuffer(work_buffer, work_buffer_size));
/* Initialize boot0 save accessor. */
BisSave save;
R_TRY(save.Initialize(work_buffer, work_buffer_size));
ON_SCOPE_EXIT { save.Finalize(); };
/* Load save from NAND. */
R_TRY(save.Load());
/* Set whether we need to verify, then save to nand. */
save.SetNeedsVerification(mode, needed);
R_TRY(save.Save());
return ResultSuccess;
}
Result ValidateBctFileHash(Boot0Accessor &accessor, Boot0Partition which, const void *stored_hash, void *work_buffer, size_t work_buffer_size, BootImageUpdateType boot_image_update_type) {
/* Ensure work buffer is big enough for us to do what we want to do. */
R_TRY(ValidateWorkBuffer(work_buffer, work_buffer_size));
void *bct = reinterpret_cast<void *>(reinterpret_cast<uintptr_t>(work_buffer) + 0);
void *work = reinterpret_cast<void *>(reinterpret_cast<uintptr_t>(work_buffer) + BctSize);
size_t size;
R_TRY(ReadFile(&size, bct, BctSize, GetBctPath(boot_image_update_type)));
if (HasEks(boot_image_update_type)) {
R_TRY(accessor.UpdateEks(bct, work));
}
if (HasAutoRcmPreserve(boot_image_update_type)) {
R_TRY(accessor.PreserveAutoRcm(bct, work, which));
}
u8 file_hash[SHA256_HASH_SIZE];
sha256CalculateHash(file_hash, bct, BctSize);
if (std::memcmp(file_hash, stored_hash, SHA256_HASH_SIZE) != 0) {
return ResultUpdaterNeedsRepairBootImages;
}
return ResultSuccess;
}
Result GetPackage2Hash(void *dst_hash, size_t package2_size, void *work_buffer, size_t work_buffer_size, Package2Type which) {
Package2Accessor accessor(which);
R_TRY(accessor.Initialize());
ON_SCOPE_EXIT { accessor.Finalize(); };
return accessor.GetHash(dst_hash, package2_size, work_buffer, work_buffer_size, Package2Partition::Package2);
}
Result WritePackage2(void *work_buffer, size_t work_buffer_size, Package2Type which, BootImageUpdateType boot_image_update_type) {
Package2Accessor accessor(which);
R_TRY(accessor.Initialize());
ON_SCOPE_EXIT { accessor.Finalize(); };
return accessor.Write(GetPackage2Path(boot_image_update_type), work_buffer, work_buffer_size, Package2Partition::Package2);
}
}
BootImageUpdateType GetBootImageUpdateType(spl::HardwareType hw_type) {
switch (hw_type) {
case spl::HardwareType::Icosa:
case spl::HardwareType::Copper:
return BootImageUpdateType::Erista;
case spl::HardwareType::Hoag:
case spl::HardwareType::Iowa:
return BootImageUpdateType::Mariko;
default:
std::abort();
}
}
Result VerifyBootImagesAndRepairIfNeeded(bool *out_repaired_normal, bool *out_repaired_safe, void *work_buffer, size_t work_buffer_size, BootImageUpdateType boot_image_update_type) {
/* Always set output to false before doing anything else. */
*out_repaired_normal = false;
*out_repaired_safe = false;
/* Ensure work buffer is big enough for us to do what we want to do. */
R_TRY(ValidateWorkBuffer(work_buffer, work_buffer_size));
/* Get verification state from NAND. */
VerificationState verification_state;
R_TRY(GetVerificationState(&verification_state, work_buffer, work_buffer_size));
/* If we don't need to verify anything, we're done. */
if (!verification_state.needs_verify_normal && !verification_state.needs_verify_safe) {
return ResultSuccess;
}
/* Get a session to ncm. */
DoWithSmSession([&]() {
if (R_FAILED(ncmInitialize())) {
std::abort();
}
});
ON_SCOPE_EXIT { ncmExit(); };
/* Verify normal, verify safe as needed. */
if (verification_state.needs_verify_normal) {
R_TRY_CATCH(VerifyBootImagesAndRepairIfNeeded(out_repaired_normal, BootModeType::Normal, work_buffer, work_buffer_size, boot_image_update_type)) {
R_CATCH(ResultUpdaterBootImagePackageNotFound) {
/* Nintendo considers failure to locate bip a success. TODO: don't do that? */
}
} R_END_TRY_CATCH;
}
if (verification_state.needs_verify_safe) {
R_TRY_CATCH(VerifyBootImagesAndRepairIfNeeded(out_repaired_safe, BootModeType::Safe, work_buffer, work_buffer_size, boot_image_update_type)) {
R_CATCH(ResultUpdaterBootImagePackageNotFound) {
/* Nintendo considers failure to locate bip a success. TODO: don't do that? */
}
} R_END_TRY_CATCH;
}
return ResultSuccess;
}
}

30
stratosphere/boot/source/updater/updater_api.hpp
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@ -1,30 +0,0 @@
/*
* 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/>.
*/
#pragma once
#include <switch.h>
#include <stratosphere.hpp>
#include <stratosphere/spl/spl_types.hpp>
#include "updater_types.hpp"
namespace sts::updater {
/* Public API. */
BootImageUpdateType GetBootImageUpdateType(spl::HardwareType hw_type);
Result VerifyBootImagesAndRepairIfNeeded(bool *out_repaired_normal, bool *out_repaired_safe, void *work_buffer, size_t work_buffer_size, BootImageUpdateType boot_image_update_type);
}

168
stratosphere/boot/source/updater/updater_bis_management.cpp
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@ -1,168 +0,0 @@
/*
* 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 <stratosphere.hpp>
#include "updater_bis_management.hpp"
namespace sts::updater {
Result BisAccessor::Initialize() {
R_TRY(fsOpenBisStorage(&this->storage, this->partition_id));
this->active = true;
return ResultSuccess;
}
void BisAccessor::Finalize() {
if (this->active) {
fsStorageClose(&this->storage);
this->active = false;
}
}
Result BisAccessor::Read(void *dst, size_t size, u64 offset) {
if (offset % SectorAlignment) {
std::abort();
}
return fsStorageRead(&this->storage, offset, dst, size);
}
Result BisAccessor::Write(u64 offset, const void *src, size_t size) {
if (offset % SectorAlignment) {
std::abort();
}
return fsStorageWrite(&this->storage, offset, src, size);
}
Result BisAccessor::Write(u64 offset, size_t size, const char *bip_path, void *work_buffer, size_t work_buffer_size) {
if (offset % SectorAlignment != 0 || work_buffer_size % SectorAlignment != 0) {
std::abort();
}
FILE *bip_fp = fopen(bip_path, "rb");
if (bip_fp == NULL) {
return ResultUpdaterInvalidBootImagePackage;
}
ON_SCOPE_EXIT { fclose(bip_fp); };
size_t written = 0;
while (true) {
std::memset(work_buffer, 0, work_buffer_size);
size_t read_size = fread(work_buffer, 1, work_buffer_size, bip_fp);
if (read_size != work_buffer_size) {
if (ferror(bip_fp)) {
return fsdevGetLastResult();
}
}
if (written + read_size > size) {
std::abort();
}
size_t aligned_size = ((read_size + SectorAlignment - 1) / SectorAlignment) * SectorAlignment;
R_TRY(this->Write(offset + written, work_buffer, aligned_size));
written += read_size;
if (read_size != work_buffer_size) {
break;
}
}
return ResultSuccess;
}
Result BisAccessor::Clear(u64 offset, u64 size, void *work_buffer, size_t work_buffer_size) {
if (offset % SectorAlignment != 0 || work_buffer_size % SectorAlignment != 0) {
std::abort();
}
std::memset(work_buffer, 0, work_buffer_size);
size_t written = 0;
while (written < size) {
size_t cur_write_size = std::min(work_buffer_size, size - written);
R_TRY(this->Write(offset + written, work_buffer, cur_write_size));
written += cur_write_size;
}
return ResultSuccess;
}
Result BisAccessor::GetHash(void *dst, u64 offset, u64 size, u64 hash_size, void *work_buffer, size_t work_buffer_size) {
if (offset % SectorAlignment != 0 || work_buffer_size % SectorAlignment != 0) {
std::abort();
}
Sha256Context sha_ctx;
sha256ContextCreate(&sha_ctx);
size_t total_read = 0;
while (total_read < hash_size) {
size_t cur_read_size = std::min(work_buffer_size, size - total_read);
size_t cur_update_size = std::min(cur_read_size, hash_size - total_read);
R_TRY(this->Read(work_buffer, cur_read_size, offset + total_read));
sha256ContextUpdate(&sha_ctx, work_buffer, cur_update_size);
total_read += cur_read_size;
}
sha256ContextGetHash(&sha_ctx, dst);
return ResultSuccess;
}
size_t Boot0Accessor::GetBootloaderVersion(void *bct) {
u32 version = *reinterpret_cast<u32 *>(reinterpret_cast<uintptr_t>(bct) + BctVersionOffset);
if (version > BctVersionMax) {
std::abort();
}
return static_cast<size_t>(version);
}
size_t Boot0Accessor::GetEksIndex(size_t bootloader_version) {
if (bootloader_version > BctVersionMax) {
std::abort();
}
return (bootloader_version > 0) ? bootloader_version - 1 : 0;
}
void Boot0Accessor::CopyEks(void *dst_bct, const void *src_eks, size_t eks_index) {
std::memcpy(reinterpret_cast<u8 *>(dst_bct) + BctEksOffset, reinterpret_cast<const u8 *>(src_eks) + eks_index * EksEntrySize, EksBlobSize);
}
Result Boot0Accessor::UpdateEks(void *dst_bct, void *eks_work_buffer) {
size_t read_size;
R_TRY(this->Read(&read_size, eks_work_buffer, EksSize, Boot0Partition::Eks));
return this->UpdateEksManually(dst_bct, eks_work_buffer);
}
Result Boot0Accessor::UpdateEksManually(void *dst_bct, const void *src_eks) {
this->CopyEks(dst_bct, src_eks, GetEksIndex(GetBootloaderVersion(dst_bct)));
return ResultSuccess;
}
Result Boot0Accessor::PreserveAutoRcm(void *dst_bct, void *work_buffer, Boot0Partition which) {
std::memset(work_buffer, 0, BctSize);
size_t read_size;
R_TRY(this->Read(&read_size, work_buffer, BctSize, which));
void *dst_pubk = reinterpret_cast<void *>(reinterpret_cast<uintptr_t>(dst_bct) + BctPubkOffset);
void *src_pubk = reinterpret_cast<void *>(reinterpret_cast<uintptr_t>(work_buffer) + BctPubkOffset);
std::memcpy(dst_pubk, src_pubk, BctPubkSize);
return ResultSuccess;
}
}

239
stratosphere/boot/source/updater/updater_bis_management.hpp
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@ -1,239 +0,0 @@
/*
* 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/>.
*/
#pragma once
#include <switch.h>
#include <stratosphere.hpp>
#include "updater_types.hpp"
namespace sts::updater {
class BisAccessor {
public:
static constexpr size_t SectorAlignment = 0x200;
private:
FsStorage storage = {};
FsBisStorageId partition_id;
bool active;
public:
BisAccessor(FsBisStorageId id) : partition_id(id), active(false) { }
~BisAccessor() {
if (this->active) {
fsStorageClose(&storage);
}
}
public:
Result Initialize();
void Finalize();
protected:
Result Read(void *dst, size_t size, u64 offset);
Result Write(u64 offset, const void *src, size_t size);
Result Write(u64 offset, size_t size, const char *bip_path, void *work_buffer, size_t work_buffer_size);
Result Clear(u64 offset, u64 size, void *work_buffer, size_t work_buffer_size);
Result GetHash(void *dst, u64 offset, u64 size, u64 hash_size, void *work_buffer, size_t work_buffer_size);
};
template<typename EnumType>
struct OffsetSizeEntry {
EnumType which;
u64 offset;
size_t size;
};
enum class Boot0Partition {
BctNormalMain,
BctSafeMain,
BctNormalSub,
BctSafeSub,
BctSave,
Package1NormalMain,
Package1NormalSub,
Eks,
Count,
};
enum class Boot1Partition {
Package1SafeMain,
Package1SafeSub,
Package1RepairMain,
Package1RepairSub,
Count,
};
enum class Package2Partition {
BootConfig,
Package2,
Count,
};
struct Boot0Meta {
using EnumType = Boot0Partition;
using OffsetSizeType = OffsetSizeEntry<EnumType>;
static constexpr size_t NumEntries = static_cast<size_t>(EnumType::Count);
static constexpr OffsetSizeType Entries[NumEntries] = {
{Boot0Partition::BctNormalMain, 0 * BctSize, BctSize},
{Boot0Partition::BctSafeMain, 1 * BctSize, BctSize},
{Boot0Partition::BctNormalSub, 2 * BctSize, BctSize},
{Boot0Partition::BctSafeSub, 3 * BctSize, BctSize},
{Boot0Partition::BctSave, 63 * BctSize, BctSize},
{Boot0Partition::Package1NormalMain, 0x100000, 0x40000},
{Boot0Partition::Package1NormalSub, 0x140000, 0x40000},
{Boot0Partition::Eks, 0x180000, EksSize},
};
};
struct Boot1Meta {
using EnumType = Boot1Partition;
using OffsetSizeType = OffsetSizeEntry<EnumType>;
static constexpr size_t NumEntries = static_cast<size_t>(EnumType::Count);
static constexpr OffsetSizeType Entries[NumEntries] = {
{Boot1Partition::Package1SafeMain, 0x00000, 0x40000},
{Boot1Partition::Package1SafeSub, 0x40000, 0x40000},
{Boot1Partition::Package1RepairMain, 0x80000, 0x40000},
{Boot1Partition::Package1RepairSub, 0xC0000, 0x40000},
};
};
struct Package2Meta {
using EnumType = Package2Partition;
using OffsetSizeType = OffsetSizeEntry<EnumType>;
static constexpr size_t NumEntries = static_cast<size_t>(EnumType::Count);
static constexpr OffsetSizeType Entries[NumEntries] = {
{Package2Partition::BootConfig, 0x0000, 0x004000},
{Package2Partition::Package2, 0x4000, 0x7FC000},
};
};
template<typename Meta>
class PartitionAccessor : public BisAccessor {
public:
using EnumType = typename Meta::EnumType;
using OffsetSizeType = typename Meta::OffsetSizeType;
public:
PartitionAccessor(FsBisStorageId id) : BisAccessor(id) { }
private:
constexpr const OffsetSizeType *FindEntry(EnumType which) {
for (size_t i = 0; i < Meta::NumEntries; i++) {
if (Meta::Entries[i].which == which) {
return &Meta::Entries[i];
}
}
std::abort();
}
public:
Result Read(size_t *out_size, void *dst, size_t size, EnumType which) {
const auto entry = FindEntry(which);
if (size < entry->size) {
std::abort();
}
R_TRY(BisAccessor::Read(dst, entry->size, entry->offset));
*out_size = entry->size;
return ResultSuccess;
}
Result Write(const void *src, size_t size, EnumType which) {
const auto entry = FindEntry(which);
if (size > entry->size || size % BisAccessor::SectorAlignment != 0) {
std::abort();
}
return BisAccessor::Write(entry->offset, src, size);
}
Result Write(const char *bip_path, void *work_buffer, size_t work_buffer_size, EnumType which) {
const auto entry = FindEntry(which);
return BisAccessor::Write(entry->offset, entry->size, bip_path, work_buffer, work_buffer_size);
}
Result Clear(void *work_buffer, size_t work_buffer_size, EnumType which) {
const auto entry = FindEntry(which);
return BisAccessor::Clear(entry->offset, entry->size, work_buffer, work_buffer_size);
}
Result GetHash(void *dst, u64 hash_size, void *work_buffer, size_t work_buffer_size, EnumType which) {
const auto entry = FindEntry(which);
return BisAccessor::GetHash(dst, entry->offset, entry->size, hash_size, work_buffer, work_buffer_size);
}
};
enum class Package2Type {
NormalMain,
NormalSub,
SafeMain,
SafeSub,
RepairMain,
RepairSub,
};
static constexpr FsBisStorageId GetPackage2StorageId(Package2Type which) {
switch (which) {
case Package2Type::NormalMain:
return FsBisStorageId_BootConfigAndPackage2NormalMain;
case Package2Type::NormalSub:
return FsBisStorageId_BootConfigAndPackage2NormalSub;
case Package2Type::SafeMain:
return FsBisStorageId_BootConfigAndPackage2SafeMain;
case Package2Type::SafeSub:
return FsBisStorageId_BootConfigAndPackage2SafeSub;
case Package2Type::RepairMain:
return FsBisStorageId_BootConfigAndPackage2RepairMain;
case Package2Type::RepairSub:
return FsBisStorageId_BootConfigAndPackage2RepairSub;
default:
std::abort();
}
}
class Boot0Accessor : public PartitionAccessor<Boot0Meta> {
public:
static constexpr FsBisStorageId PartitionId = FsBisStorageId_Boot0;
static constexpr size_t BctPubkOffset = 0x210;
static constexpr size_t BctPubkSize = 0x100;
static constexpr size_t BctEksOffset = 0x450;
static constexpr size_t BctVersionOffset = 0x2330;
static constexpr size_t BctVersionMax = 0x20;
public:
Boot0Accessor() : PartitionAccessor<Boot0Meta>(PartitionId) { }
private:
static size_t GetBootloaderVersion(void *bct);
static size_t GetEksIndex(size_t bootloader_version);
static void CopyEks(void *dst_bct, const void *src_eks, size_t eks_index);
public:
Result UpdateEks(void *dst_bct, void *eks_work_buffer);
Result UpdateEksManually(void *dst_bct, const void *src_eks);
Result PreserveAutoRcm(void *dst_bct, void *work_buffer, Boot0Partition which);
};
class Boot1Accessor : public PartitionAccessor<Boot1Meta> {
public:
static constexpr FsBisStorageId PartitionId = FsBisStorageId_Boot1;
public:
Boot1Accessor() : PartitionAccessor<Boot1Meta>(PartitionId) { }
};
class Package2Accessor : public PartitionAccessor<Package2Meta> {
public:
Package2Accessor(Package2Type which) : PartitionAccessor<Package2Meta>(GetPackage2StorageId(which)) { }
};
}

66
stratosphere/boot/source/updater/updater_bis_save.cpp
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@ -1,66 +0,0 @@
/*
* 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 <stratosphere.hpp>
#include "updater_bis_save.hpp"
namespace sts::updater {
size_t BisSave::GetVerificationFlagOffset(BootModeType mode) {
switch (mode) {
case BootModeType::Normal:
return 0;
case BootModeType::Safe:
return 1;
default:
return 2;
}
}
Result BisSave::Initialize(void *work_buffer, size_t work_buffer_size) {
if (work_buffer_size < SaveSize || reinterpret_cast<uintptr_t>(work_buffer) & 0xFFF || work_buffer_size & 0x1FF) {
std::abort();
}
R_TRY(this->accessor.Initialize());
this->save_buffer = work_buffer;
return ResultSuccess;
}
void BisSave::Finalize() {
this->accessor.Finalize();
}
Result BisSave::Load() {
size_t read_size;
return this->accessor.Read(&read_size, this->save_buffer, SaveSize, Boot0Partition::BctSave);
}
Result BisSave::Save() {
return this->accessor.Write(this->save_buffer, SaveSize, Boot0Partition::BctSave);
}
bool BisSave::GetNeedsVerification(BootModeType mode) {
return reinterpret_cast<const u8 *>(this->save_buffer)[GetVerificationFlagOffset(mode)] != 0;
}
void BisSave::SetNeedsVerification(BootModeType mode, bool needs_verification) {
reinterpret_cast<u8 *>(this->save_buffer)[GetVerificationFlagOffset(mode)] = needs_verification ? 1 : 0;
}
}

46
stratosphere/boot/source/updater/updater_bis_save.hpp
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@ -1,46 +0,0 @@
/*
* 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/>.
*/
#pragma once
#include <switch.h>
#include <stratosphere.hpp>
#include "updater_types.hpp"
#include "updater_bis_management.hpp"
namespace sts::updater {
class BisSave {
public:
static constexpr size_t SaveSize = BctSize;
private:
Boot0Accessor accessor;
void *save_buffer;
public:
BisSave() : save_buffer(nullptr) { }
private:
static size_t GetVerificationFlagOffset(BootModeType mode);
public:
Result Initialize(void *work_buffer, size_t work_buffer_size);
void Finalize();
Result Load();
Result Save();
bool GetNeedsVerification(BootModeType mode);
void SetNeedsVerification(BootModeType mode, bool needs_verification);
};
}

72
stratosphere/boot/source/updater/updater_files.cpp
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@ -1,72 +0,0 @@
/*
* 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 <stratosphere.hpp>
#include "updater_api.hpp"
namespace sts::updater {
Result ReadFile(size_t *out_size, void *dst, size_t dst_size, const char *path) {
FILE *fp = fopen(path, "rb");
if (fp == NULL) {
return ResultUpdaterInvalidBootImagePackage;
}
ON_SCOPE_EXIT { fclose(fp); };
std::memset(dst, 0, dst_size);
size_t read_size = fread(dst, 1, dst_size, fp);
if (ferror(fp)) {
return fsdevGetLastResult();
}
*out_size = read_size;
return ResultSuccess;
}
Result GetFileHash(size_t *out_size, void *dst_hash, const char *path, void *work_buffer, size_t work_buffer_size) {
FILE *fp = fopen(path, "rb");
if (fp == NULL) {
return ResultUpdaterInvalidBootImagePackage;
}
ON_SCOPE_EXIT { fclose(fp); };
Sha256Context sha_ctx;
sha256ContextCreate(&sha_ctx);
size_t total_size = 0;
while (true) {
size_t read_size = fread(work_buffer, 1, work_buffer_size, fp);
if (ferror(fp)) {
return fsdevGetLastResult();
}
if (read_size == 0) {
break;
}
sha256ContextUpdate(&sha_ctx, work_buffer, read_size);
total_size += read_size;
if (read_size != work_buffer_size) {
break;
}
}
sha256ContextGetHash(&sha_ctx, dst_hash);
*out_size = total_size;
return ResultSuccess;
}
}

29
stratosphere/boot/source/updater/updater_files.hpp
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@ -1,29 +0,0 @@
/*
* 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/>.
*/
#pragma once
#include <switch.h>
#include <stratosphere.hpp>
#include "updater_types.hpp"
namespace sts::updater {
/* File helpers. */
Result ReadFile(size_t *out_size, void *dst, size_t dst_size, const char *path);
Result GetFileHash(size_t *out_size, void *dst_hash, const char *path, void *work_buffer, size_t work_buffer_size);
}

119
stratosphere/boot/source/updater/updater_paths.cpp
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@ -1,119 +0,0 @@
/*
* 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 <stratosphere.hpp>
#include <sys/stat.h>
#include "updater_paths.hpp"
namespace sts::updater {
namespace {
/* Actual paths. */
constexpr const char *BootImagePackageMountPath = "bip";
constexpr const char *BctPathNx = "bip:/nx/bct";
constexpr const char *Package1PathNx = "bip:/nx/package1";
constexpr const char *Package2PathNx = "bip:/nx/package2";
constexpr const char *BctPathA = "bip:/a/bct";
constexpr const char *Package1PathA = "bip:/a/package1";
constexpr const char *Package2PathA = "bip:/a/package2";
const char *ChooseCandidatePath(const char * const *candidates, size_t num_candidates) {
if (num_candidates == 0) {
std::abort();
}
for (size_t i = 0; i < num_candidates; i++) {
struct stat buf;
if (stat(candidates[i], &buf) != 0) {
continue;
}
if (!S_ISREG(buf.st_mode)) {
continue;
}
return candidates[i];
}
/* Nintendo just uses the last candidate if they all fail...should we abort? */
return candidates[num_candidates - 1];
}
}
const char *GetBootImagePackageMountPath() {
return BootImagePackageMountPath;
}
const char *GetBctPath(BootImageUpdateType boot_image_update_type) {
switch (boot_image_update_type) {
case BootImageUpdateType::Erista:
{
constexpr const char *candidates[] = {BctPathNx};
return ChooseCandidatePath(candidates, sizeof(candidates) / sizeof(candidates[0]));
}
case BootImageUpdateType::Mariko:
{
constexpr const char *candidates[] = {BctPathA, BctPathNx};
return ChooseCandidatePath(candidates, sizeof(candidates) / sizeof(candidates[0]));
}
default:
std::abort();
}
}
const char *GetPackage1Path(BootImageUpdateType boot_image_update_type) {
switch (boot_image_update_type) {
case BootImageUpdateType::Erista:
{
constexpr const char *candidates[] = {Package1PathNx};
return ChooseCandidatePath(candidates, sizeof(candidates) / sizeof(candidates[0]));
}
case BootImageUpdateType::Mariko:
{
constexpr const char *candidates[] = {Package1PathA, Package1PathNx};
return ChooseCandidatePath(candidates, sizeof(candidates) / sizeof(candidates[0]));
}
default:
std::abort();
}
}
const char *GetPackage2Path(BootImageUpdateType boot_image_update_type) {
switch (boot_image_update_type) {
case BootImageUpdateType::Erista:
{
constexpr const char *candidates[] = {Package2PathNx};
return ChooseCandidatePath(candidates, sizeof(candidates) / sizeof(candidates[0]));
}
case BootImageUpdateType::Mariko:
{
constexpr const char *candidates[] = {Package2PathA, Package2PathNx};
return ChooseCandidatePath(candidates, sizeof(candidates) / sizeof(candidates[0]));
}
default:
std::abort();
}
}
}

31
stratosphere/boot/source/updater/updater_paths.hpp
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@ -1,31 +0,0 @@
/*
* 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/>.
*/
#pragma once
#include <switch.h>
#include <stratosphere.hpp>
#include "updater_types.hpp"
namespace sts::updater {
/* Path functionality. */
const char *GetBootImagePackageMountPath();
const char *GetBctPath(BootImageUpdateType boot_image_update_type);
const char *GetPackage1Path(BootImageUpdateType boot_image_update_type);
const char *GetPackage2Path(BootImageUpdateType boot_image_update_type);
}

45
stratosphere/boot/source/updater/updater_types.hpp
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@ -1,45 +0,0 @@
/*
* 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/>.
*/
#pragma once
#include <switch.h>
#include <stratosphere.hpp>
namespace sts::updater {
/* Types. */
enum class BootImageUpdateType {
Erista,
Mariko,
};
enum class BootModeType {
Normal,
Safe,
};
struct VerificationState {
bool needs_verify_normal;
bool needs_verify_safe;
};
/* Convenience size definitions. */
constexpr size_t BctSize = 0x4000;
constexpr size_t EksSize = 0x4000;
constexpr size_t EksEntrySize = 0x200;
constexpr size_t EksBlobSize = 0xB0;
}

2
stratosphere/libstratosphere

@ -1 +1 @@
Subproject commit ca344e1d19267779a59b6a212683792538bb76af Subproject commit f575d0644635582d83d484e7fc9691f6c17630b1