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Implement SDMC Write-Only archive

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wheremyfoodat 2024-01-23 21:56:24 +02:00
parent 76a14b3bae
commit 313620cad9
4 changed files with 24 additions and 7 deletions
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17
src/core/fs/archive_sdmc.cpp
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@ -45,8 +45,16 @@ HorizonResult SDMCArchive::deleteFile(const FSPath& path) {
FileDescriptor SDMCArchive::openFile(const FSPath& path, const FilePerms& perms) {
FilePerms realPerms = perms;
// SD card always has read permission
realPerms.raw |= (1 << 0);
if (isWriteOnly) {
if (perms.read()) {
Helpers::warn("SDMC: Read flag is not allowed in SDMC Write-Only archive");
return FileError;
}
} else {
// Regular SDMC archive always has read permission
realPerms.raw |= (1 << 0);
}
if ((realPerms.create() && !realPerms.write())) {
Helpers::panic("[SDMC] Unsupported flags for OpenFile");
@ -130,6 +138,11 @@ HorizonResult SDMCArchive::createDirectory(const FSPath& path) {
}
Rust::Result<DirectorySession, HorizonResult> SDMCArchive::openDirectory(const FSPath& path) {
if (isWriteOnly) {
Helpers::warn("SDMC: OpenDirectory is not allowed in SDMC Write-Only archive");
return Err(Result::FS::UnexpectedFileOrDir);
}
if (path.type == PathType::UTF16) {
if (!isPathSafe<PathType::UTF16>(path)) {
Helpers::panic("Unsafe path in SaveData::OpenDirectory");

1
src/core/services/fs.cpp
View file

@ -97,6 +97,7 @@ ArchiveBase* FSService::getArchiveFromID(u32 id, const FSPath& archivePath) {
case ArchiveID::SystemSaveData: return &systemSaveData;
case ArchiveID::SDMC: return &sdmc;
case ArchiveID::SDMCWriteOnly: return &sdmcWriteOnly;
case ArchiveID::SavedataAndNcch: return &ncch; // This can only access NCCH outside of FSPXI
default:
Helpers::panic("Unknown archive. ID: %d\n", id);