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updater: improve api

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This commit is contained in:
Michael Scire 2020-03-30 20:39:56 -07:00
parent 6096fa0e45
commit 33d6dfb6b3
2 changed files with 74 additions and 49 deletions
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9
libraries/libstratosphere/include/stratosphere/updater/updater_api.hpp
View file

@ -21,7 +21,16 @@
namespace ams::updater {
/* Public API. */
BootImageUpdateType GetBootImageUpdateType(int boot_image_update_type);
BootImageUpdateType GetBootImageUpdateType(spl::HardwareType hw_type);
Result GetBootImagePackageId(ncm::SystemDataId *out_data_id, BootModeType mode, void *work_buffer, size_t work_buffer_size);
Result MarkVerifyingRequired(BootModeType mode, void *work_buffer, size_t work_buffer_size);
Result MarkVerified(BootModeType mode, void *work_buffer, size_t work_buffer_size);
Result UpdateBootImagesFromPackage(ncm::SystemDataId boot_image_package_id, BootModeType mode, void *work_buffer, size_t work_buffer_size, BootImageUpdateType boot_image_update_type);
Result VerifyBootImagesAndRepairIfNeeded(bool *out_repaired_normal, bool *out_repaired_safe, void *work_buffer, size_t work_buffer_size, BootImageUpdateType boot_image_update_type);
}

114
libraries/libstratosphere/source/updater/updater_api.cpp
View file

@ -33,7 +33,6 @@ namespace ams::updater {
bool HasEks(BootImageUpdateType boot_image_update_type);
bool HasAutoRcmPreserve(BootImageUpdateType boot_image_update_type);
ncm::ContentMetaType GetContentMetaType(BootModeType mode);
Result GetBootImagePackageId(ncm::SystemDataId *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);
@ -42,8 +41,7 @@ namespace ams::updater {
Result VerifyBootImagesSafe(ncm::SystemDataId 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(ncm::SystemDataId data_id, BootModeType mode, void *work_buffer, size_t work_buffer_size, BootImageUpdateType boot_image_update_type);
Result SetVerificationNeeded(BootModeType mode, void *work_buffer, size_t work_buffer_size, bool needed);
Result UpdateBootImagesNormal(ncm::SystemDataId data_id, void *work_buffer, size_t work_buffer_size, BootImageUpdateType boot_image_update_type);
Result UpdateBootImagesSafe(ncm::SystemDataId data_id, void *work_buffer, size_t work_buffer_size, BootImageUpdateType boot_image_update_type);
@ -123,45 +121,12 @@ namespace ams::updater {
R_CATCH(ResultNeedsRepairBootImages) {
/* Perform repair. */
*out_repaired = true;
R_TRY(UpdateBootImages(bip_data_id, mode, work_buffer, work_buffer_size, boot_image_update_type));
R_TRY(UpdateBootImagesFromPackage(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 GetBootImagePackageId(ncm::SystemDataId *out_data_id, BootModeType mode, void *work_buffer, size_t work_buffer_size) {
/* Ensure we can read content metas. */
constexpr size_t MaxContentMetas = 0x40;
AMS_ABORT_UNLESS(work_buffer_size >= sizeof(ncm::ContentMetaKey) * MaxContentMetas);
/* Open NAND System meta database, list contents. */
ncm::ContentMetaDatabase db;
R_TRY(ncm::OpenContentMetaDatabase(std::addressof(db), ncm::StorageId::BuiltInSystem));
ncm::ContentMetaKey *keys = reinterpret_cast<ncm::ContentMetaKey *>(work_buffer);
const auto content_meta_type = GetContentMetaType(mode);
auto count = db.ListContentMeta(keys, MaxContentMetas, content_meta_type);
R_UNLESS(count.total > 0, ResultBootImagePackageNotFound());
/* Output is sorted, return the lowest valid exfat entry. */
if (count.total > 1) {
for (auto i = 0; i < count.total; i++) {
u8 attr;
R_TRY(db.GetAttributes(std::addressof(attr), keys[i]));
if (attr & ncm::ContentMetaAttribute_IncludesExFatDriver) {
out_data_id->value = keys[i].id;
return ResultSuccess();
}
}
}
/* If there's only one entry or no exfat entries, return that entry. */
out_data_id->value = keys[0].id;
return ResultSuccess();
return SetVerificationNeeded(mode, work_buffer, work_buffer_size, false);
}
Result VerifyBootImages(ncm::SystemDataId data_id, BootModeType mode, void *work_buffer, size_t work_buffer_size, BootImageUpdateType boot_image_update_type) {
@ -281,16 +246,6 @@ namespace ams::updater {
return ResultSuccess();
}
Result UpdateBootImages(ncm::SystemDataId 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);
AMS_UNREACHABLE_DEFAULT_CASE();
}
}
Result UpdateBootImagesNormal(ncm::SystemDataId 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));
@ -409,7 +364,7 @@ namespace ams::updater {
return ResultSuccess();
}
Result SetVerificationNeeded(BootModeType mode, bool needed, void *work_buffer, size_t work_buffer_size) {
Result SetVerificationNeeded(BootModeType mode, void *work_buffer, size_t work_buffer_size, bool needed) {
/* Ensure work buffer is big enough for us to do what we want to do. */
R_TRY(ValidateWorkBuffer(work_buffer, work_buffer_size));
@ -485,6 +440,67 @@ namespace ams::updater {
}
}
BootImageUpdateType GetBootImageUpdateType(int boot_image_update_type) {
switch (boot_image_update_type) {
case 0:
return BootImageUpdateType::Erista;
case 1:
return BootImageUpdateType::Mariko;
AMS_UNREACHABLE_DEFAULT_CASE();
}
}
Result GetBootImagePackageId(ncm::SystemDataId *out_data_id, BootModeType mode, void *work_buffer, size_t work_buffer_size) {
/* Ensure we can read content metas. */
constexpr size_t MaxContentMetas = 0x40;
AMS_ABORT_UNLESS(work_buffer_size >= sizeof(ncm::ContentMetaKey) * MaxContentMetas);
/* Open NAND System meta database, list contents. */
ncm::ContentMetaDatabase db;
R_TRY(ncm::OpenContentMetaDatabase(std::addressof(db), ncm::StorageId::BuiltInSystem));
ncm::ContentMetaKey *keys = reinterpret_cast<ncm::ContentMetaKey *>(work_buffer);
const auto content_meta_type = GetContentMetaType(mode);
auto count = db.ListContentMeta(keys, MaxContentMetas, content_meta_type);
R_UNLESS(count.total > 0, ResultBootImagePackageNotFound());
/* Output is sorted, return the lowest valid exfat entry. */
if (count.total > 1) {
for (auto i = 0; i < count.total; i++) {
u8 attr;
R_TRY(db.GetAttributes(std::addressof(attr), keys[i]));
if (attr & ncm::ContentMetaAttribute_IncludesExFatDriver) {
out_data_id->value = keys[i].id;
return ResultSuccess();
}
}
}
/* If there's only one entry or no exfat entries, return that entry. */
out_data_id->value = keys[0].id;
return ResultSuccess();
}
Result MarkVerifyingRequired(BootModeType mode, void *work_buffer, size_t work_buffer_size) {
return SetVerificationNeeded(mode, work_buffer, work_buffer_size, true);
}
Result MarkVerified(BootModeType mode, void *work_buffer, size_t work_buffer_size) {
return SetVerificationNeeded(mode, work_buffer, work_buffer_size, false);
}
Result UpdateBootImagesFromPackage(ncm::SystemDataId 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);
AMS_UNREACHABLE_DEFAULT_CASE();
}
}
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;