Daybreak: support installing non-exfat update if only exfat firm is missing/corrupt

This commit is contained in:
Michael Scire 2020-07-27 15:42:17 -07:00
parent 65b42497d7
commit 3d2eb8e903
4 changed files with 51 additions and 24 deletions

View file

@ -25,6 +25,10 @@ namespace ams::mitm::sysupdater {
/* ExFat NCAs prior to 2.0.0 do not actually include the exfat driver, and don't boot. */
constexpr inline u32 MinimumVersionForExFatDriver = 65536;
bool IsExFatDriverSupported(const ncm::ContentMetaInfo &info) {
return info.version >= MinimumVersionForExFatDriver && ((info.attributes & ncm::ContentMetaAttribute_IncludesExFatDriver) != 0);
}
template<typename F>
Result ForEachFileInDirectory(const char *root_path, F f) {
/* Open the directory. */
@ -123,9 +127,10 @@ namespace ams::mitm::sysupdater {
return ResultSuccess();
}
Result ValidateSystemUpdate(Result *out_result, UpdateValidationInfo *out_info, const ncm::PackagedContentMetaReader &update_reader, const char *package_root) {
Result ValidateSystemUpdate(Result *out_result, Result *out_exfat_result, UpdateValidationInfo *out_info, const ncm::PackagedContentMetaReader &update_reader, const char *package_root) {
/* Clear output. */
*out_result = ResultSuccess();
*out_exfat_result = ResultSuccess();
/* We want to track all content the update requires. */
const size_t num_content_metas = update_reader.GetContentMetaCount();
@ -264,22 +269,24 @@ namespace ams::mitm::sysupdater {
if (R_SUCCEEDED(*out_result)) {
for (size_t i = 0; i < num_content_metas; ++i) {
if (!content_meta_valid[i]) {
const ncm::ContentMetaInfo *info = update_reader.GetContentMetaInfo(i);
*out_info = { .invalid_key = info->ToKey(), };
if (IsExFatDriverSupported(*info)) {
*out_exfat_result = fs::ResultPathNotFound();
/* Continue, in case there's a non-exFAT failure result. */
} else {
*out_result = fs::ResultPathNotFound();
*out_info = {
.invalid_key = update_reader.GetContentMetaInfo(i)->ToKey(),
};
break;
}
}
}
}
return ResultSuccess();
}
bool IsExFatDriverSupported(const ncm::ContentMetaInfo &info) {
return info.version >= MinimumVersionForExFatDriver && ((info.attributes & ncm::ContentMetaAttribute_IncludesExFatDriver) != 0);
}
Result FormatUserPackagePath(ncm::Path *out, const ncm::Path &user_path) {
/* Ensure that the user path is valid. */
R_UNLESS(user_path.str[0] == '/', fs::ResultInvalidPath());
@ -378,7 +385,7 @@ namespace ams::mitm::sysupdater {
return ResultSuccess();
}
Result SystemUpdateService::ValidateUpdate(sf::Out<Result> out_validate_result, sf::Out<UpdateValidationInfo> out_validate_info, const ncm::Path &path) {
Result SystemUpdateService::ValidateUpdate(sf::Out<Result> out_validate_result, sf::Out<Result> out_validate_exfat_result, sf::Out<UpdateValidationInfo> out_validate_info, const ncm::Path &path) {
/* Adjust the path. */
ncm::Path package_root;
R_TRY(FormatUserPackagePath(std::addressof(package_root), path));
@ -397,7 +404,7 @@ namespace ams::mitm::sysupdater {
const auto reader = ncm::PackagedContentMetaReader(content_meta_buffer.Get(), content_meta_buffer.GetSize());
/* Validate the update. */
R_TRY(ValidateSystemUpdate(out_validate_result.GetPointer(), out_validate_info.GetPointer(), reader, package_root.str));
R_TRY(ValidateSystemUpdate(out_validate_result.GetPointer(), out_validate_exfat_result.GetPointer(), out_validate_info.GetPointer(), reader, package_root.str));
}
return ResultSuccess();

View file

@ -42,7 +42,7 @@ namespace ams::mitm::sysupdater {
#define AMS_SYSUPDATER_SYSTEM_UPDATE_INTERFACE_INFO(C, H) \
AMS_SF_METHOD_INFO(C, H, 0, Result, GetUpdateInformation, (sf::Out<UpdateInformation> out, const ncm::Path &path)) \
AMS_SF_METHOD_INFO(C, H, 1, Result, ValidateUpdate, (sf::Out<Result> out_validate_result, sf::Out<UpdateValidationInfo> out_validate_info, const ncm::Path &path)) \
AMS_SF_METHOD_INFO(C, H, 1, Result, ValidateUpdate, (sf::Out<Result> out_validate_result, sf::Out<Result> out_validate_exfat_result, sf::Out<UpdateValidationInfo> out_validate_info, const ncm::Path &path)) \
AMS_SF_METHOD_INFO(C, H, 2, Result, SetupUpdate, (sf::CopyHandle transfer_memory, u64 transfer_memory_size, const ncm::Path &path, bool exfat)) \
AMS_SF_METHOD_INFO(C, H, 3, Result, SetupUpdateWithVariation, (sf::CopyHandle transfer_memory, u64 transfer_memory_size, const ncm::Path &path, bool exfat, ncm::FirmwareVariationId firmware_variation_id)) \
AMS_SF_METHOD_INFO(C, H, 4, Result, RequestPrepareUpdate, (sf::OutCopyHandle out_event_handle, sf::Out<std::shared_ptr<ns::impl::IAsyncResult>> out_async)) \
@ -70,7 +70,7 @@ namespace ams::mitm::sysupdater {
Result InitializeUpdateTask(os::ManagedHandle &transfer_memory, u64 transfer_memory_size, const ncm::Path &path, bool exfat, ncm::FirmwareVariationId firmware_variation_id);
public:
Result GetUpdateInformation(sf::Out<UpdateInformation> out, const ncm::Path &path);
Result ValidateUpdate(sf::Out<Result> out_validate_result, sf::Out<UpdateValidationInfo> out_validate_info, const ncm::Path &path);
Result ValidateUpdate(sf::Out<Result> out_validate_result, sf::Out<Result> out_validate_exfat_result, sf::Out<UpdateValidationInfo> out_validate_info, const ncm::Path &path);
Result SetupUpdate(sf::CopyHandle transfer_memory, u64 transfer_memory_size, const ncm::Path &path, bool exfat);
Result SetupUpdateWithVariation(sf::CopyHandle transfer_memory, u64 transfer_memory_size, const ncm::Path &path, bool exfat, ncm::FirmwareVariationId firmware_variation_id);
Result RequestPrepareUpdate(sf::OutCopyHandle out_event_handle, sf::Out<std::shared_ptr<ns::impl::IAsyncResult>> out_async);

View file

@ -29,6 +29,7 @@ typedef struct {
typedef struct {
Result result;
Result exfat_result;
NcmContentMetaKey invalid_key;
NcmContentId invalid_content_id;
} AmsSuUpdateValidationInfo;

View file

@ -814,6 +814,19 @@ namespace dbk {
if (R_SUCCEEDED(m_validation_info.result)) {
this->LogText("Update is valid!\n");
if (R_FAILED(m_validation_info.exfat_result)) {
const u32 version = m_validation_info.invalid_key.version;
this->LogText("exFAT Validation failed with result: 0x%08x\n", m_validation_info.exfat_result);
this->LogText("Missing content:\n- Program id: %016lx\n- Version: %d.%d.%d\n", m_validation_info.invalid_key.id, (version >> 26) & 0x1f, (version >> 20) & 0x1f, (version >> 16) & 0xf);
/* Log the missing content id. */
this->LogText("- Content id: ");
for (size_t i = 0; i < sizeof(NcmContentId); i++) {
this->LogText("%02x", m_validation_info.invalid_content_id.c[i]);
}
this->LogText("\n");
}
/* Enable the back and continue buttons and select the continue button. */
this->SetButtonEnabled(BackButtonId, true);
this->SetButtonEnabled(ContinueButtonId, true);
@ -867,12 +880,18 @@ namespace dbk {
}
/* Check if exfat is supported. */
g_exfat_supported = m_update_info.exfat_supported;
g_exfat_supported = m_update_info.exfat_supported && R_SUCCEEDED(m_validation_info.exfat_result);
if (!g_exfat_supported) {
g_use_exfat = false;
}
/* Warn the user if they're updating with exFAT supposed to be supported but not present/corrupted. */
if (m_update_info.exfat_supported && R_FAILED(m_validation_info.exfat_result)) {
ChangeMenu(std::make_shared<WarningMenu>(g_current_menu, std::make_shared<ChooseResetMenu>(g_current_menu), "Warning: exFAT firmware is missing or corrupt", "Are you sure you want to proceed?"));
} else {
ChangeMenu(std::make_shared<ChooseResetMenu>(g_current_menu));
}
return;
}
}