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Code Issues Releases Activity

fs/emummc: fix DirectoryRedirectionFileSystem not stripping prefix

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This commit is contained in:
Michael Scire 2022-08-06 08:48:51 -07:00
parent 7e6b369605
commit d954e85826
2 changed files with 38 additions and 1 deletions
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2
libraries/libstratosphere/include/stratosphere/fssystem/fssystem_directory_redirection_filesystem.hpp
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@ -42,7 +42,7 @@ namespace ams::fssystem {
Result ResolveFullPath(fs::Path *out, const fs::Path &path) {
if (path.IsMatchHead(m_before_dir.GetString(), m_before_dir.GetLength())) {
R_TRY(out->Initialize(m_after_dir));
R_TRY(out->AppendChild(path));
R_TRY(out->AppendChild(path.GetString() + m_before_dir.GetLength()));
} else {
R_TRY(out->Initialize(path));
}

37
stratosphere/ams_mitm/source/amsmitm_initialization.cpp
View file

@ -169,6 +169,43 @@ namespace ams::mitm {
util::SNPrintf(emummc_path, sizeof(emummc_path), "%s/eMMC", emummc_file_path);
mitm::fs::OpenSdFile(std::addressof(g_emummc_file), emummc_path, ams::fs::OpenMode_Read);
}
/* NOTE: due to an Atmosphere bug, NS accesses to the Nintendo dir accessed /Nintendo/Nintendo */
/* instead of /Nintendo. This logic is potentially temporary, and fixes the case where this would have happened. */
{
auto HasDir = [](const char *p) -> bool { bool res{}; R_ABORT_UNLESS(ams::fs::HasDirectory(std::addressof(res), p)); return res; };
auto HasFile = [](const char *p) -> bool { bool res{}; R_ABORT_UNLESS(ams::fs::HasFile(std::addressof(res), p)); return res; };
char emummc_path[ams::fs::EntryNameLengthMax + 1];
char emummc_bug_path[ams::fs::EntryNameLengthMax + 1];
util::SNPrintf(emummc_path, sizeof(emummc_path), "%s:/%s", ams::fs::impl::SdCardFileSystemMountName, emummc::GetNintendoDirPath());
util::SNPrintf(emummc_bug_path, sizeof(emummc_bug_path), "%s:/%s/Nintendo", ams::fs::impl::SdCardFileSystemMountName, emummc::GetNintendoDirPath());
if (HasDir(emummc_bug_path)) {
/* Ensure Contents directory exists for normal emummc. */
/* NOTE: Allowed to fail on already-exists. */
util::SNPrintf(emummc_path, sizeof(emummc_path), "%s:/%s/Contents", ams::fs::impl::SdCardFileSystemMountName, emummc::GetNintendoDirPath());
ams::fs::CreateDirectory(emummc_path);
/* Fix Contents/private */
util::SNPrintf(emummc_path, sizeof(emummc_path), "%s:/%s/Contents/private", ams::fs::impl::SdCardFileSystemMountName, emummc::GetNintendoDirPath());
util::SNPrintf(emummc_bug_path, sizeof(emummc_bug_path), "%s:/%s/Nintendo/Contents/private", ams::fs::impl::SdCardFileSystemMountName, emummc::GetNintendoDirPath());
if (HasFile(emummc_bug_path) && !HasFile(emummc_path)) {
R_ABORT_UNLESS(ams::fs::RenameFile(emummc_bug_path, emummc_path));
}
/* Fix Contents/private1 */
util::SNPrintf(emummc_path, sizeof(emummc_path), "%s:/%s/Contents/private1", ams::fs::impl::SdCardFileSystemMountName, emummc::GetNintendoDirPath());
util::SNPrintf(emummc_bug_path, sizeof(emummc_bug_path), "%s:/%s/Nintendo/Contents/private1", ams::fs::impl::SdCardFileSystemMountName, emummc::GetNintendoDirPath());
if (HasFile(emummc_bug_path) && !HasFile(emummc_path)) {
R_ABORT_UNLESS(ams::fs::RenameFile(emummc_bug_path, emummc_path));
}
/* Delete bug directory. */
util::SNPrintf(emummc_bug_path, sizeof(emummc_bug_path), "%s:/%s/Nintendo", ams::fs::impl::SdCardFileSystemMountName, emummc::GetNintendoDirPath());
R_ABORT_UNLESS(ams::fs::DeleteDirectoryRecursively(emummc_bug_path));
}
}
}
/* Connect to set:sys. */