mirror of
https://github.com/Atmosphere-NX/Atmosphere.git
synced 2024-12-30 14:16:02 +00:00
231 lines
9.1 KiB
C++
231 lines
9.1 KiB
C++
/*
|
|
* Copyright (c) 2018-2020 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 <stratosphere.hpp>
|
|
#include "amsmitm_initialization.hpp"
|
|
#include "amsmitm_fs_utils.hpp"
|
|
|
|
namespace ams::mitm::fs {
|
|
|
|
using namespace ams::fs;
|
|
|
|
namespace {
|
|
|
|
/* Globals. */
|
|
FsFileSystem g_sd_filesystem;
|
|
|
|
/* Helpers. */
|
|
Result EnsureSdInitialized() {
|
|
R_UNLESS(serviceIsActive(&g_sd_filesystem.s), ams::fs::ResultSdCardNotPresent());
|
|
return ResultSuccess();
|
|
}
|
|
|
|
void FormatAtmosphereRomfsPath(char *dst_path, size_t dst_path_size, ncm::ProgramId program_id, const char *src_path) {
|
|
return FormatAtmosphereSdPath(dst_path, dst_path_size, program_id, "romfs", src_path);
|
|
}
|
|
|
|
}
|
|
|
|
void OpenGlobalSdCardFileSystem() {
|
|
R_ABORT_UNLESS(fsOpenSdCardFileSystem(&g_sd_filesystem));
|
|
}
|
|
|
|
Result CreateSdFile(const char *path, s64 size, s32 option) {
|
|
R_TRY(EnsureSdInitialized());
|
|
return fsFsCreateFile(&g_sd_filesystem, path, size, option);
|
|
}
|
|
|
|
Result CreateAtmosphereSdFile(const char *path, s64 size, s32 option) {
|
|
char fixed_path[ams::fs::EntryNameLengthMax + 1];
|
|
FormatAtmosphereSdPath(fixed_path, sizeof(fixed_path), path);
|
|
return CreateSdFile(fixed_path, size, option);
|
|
}
|
|
|
|
Result OpenSdFile(FsFile *out, const char *path, u32 mode) {
|
|
R_TRY(EnsureSdInitialized());
|
|
return fsFsOpenFile(&g_sd_filesystem, path, mode, out);
|
|
}
|
|
|
|
Result OpenAtmosphereSdFile(FsFile *out, const char *path, u32 mode) {
|
|
char fixed_path[ams::fs::EntryNameLengthMax + 1];
|
|
FormatAtmosphereSdPath(fixed_path, sizeof(fixed_path), path);
|
|
return OpenSdFile(out, fixed_path, mode);
|
|
}
|
|
|
|
Result OpenAtmosphereSdFile(FsFile *out, ncm::ProgramId program_id, const char *path, u32 mode) {
|
|
char fixed_path[ams::fs::EntryNameLengthMax + 1];
|
|
FormatAtmosphereSdPath(fixed_path, sizeof(fixed_path), program_id, path);
|
|
return OpenSdFile(out, fixed_path, mode);
|
|
}
|
|
|
|
Result OpenAtmosphereSdRomfsFile(FsFile *out, ncm::ProgramId program_id, const char *path, u32 mode) {
|
|
char fixed_path[ams::fs::EntryNameLengthMax + 1];
|
|
FormatAtmosphereRomfsPath(fixed_path, sizeof(fixed_path), program_id, path);
|
|
return OpenSdFile(out, fixed_path, mode);
|
|
}
|
|
|
|
Result OpenAtmosphereRomfsFile(FsFile *out, ncm::ProgramId program_id, const char *path, u32 mode, FsFileSystem *fs) {
|
|
char fixed_path[ams::fs::EntryNameLengthMax + 1];
|
|
FormatAtmosphereRomfsPath(fixed_path, sizeof(fixed_path), program_id, path);
|
|
return fsFsOpenFile(fs, fixed_path, mode, out);
|
|
}
|
|
|
|
Result CreateSdDirectory(const char *path) {
|
|
R_TRY(EnsureSdInitialized());
|
|
return fsFsCreateDirectory(&g_sd_filesystem, path);
|
|
}
|
|
|
|
Result CreateAtmosphereSdDirectory(const char *path) {
|
|
char fixed_path[ams::fs::EntryNameLengthMax + 1];
|
|
FormatAtmosphereSdPath(fixed_path, sizeof(fixed_path), path);
|
|
return CreateSdDirectory(fixed_path);
|
|
}
|
|
|
|
Result OpenSdDirectory(FsDir *out, const char *path, u32 mode) {
|
|
R_TRY(EnsureSdInitialized());
|
|
return fsFsOpenDirectory(&g_sd_filesystem, path, mode, out);
|
|
}
|
|
|
|
Result OpenAtmosphereSdDirectory(FsDir *out, const char *path, u32 mode) {
|
|
char fixed_path[ams::fs::EntryNameLengthMax + 1];
|
|
FormatAtmosphereSdPath(fixed_path, sizeof(fixed_path), path);
|
|
return OpenSdDirectory(out, fixed_path, mode);
|
|
}
|
|
|
|
Result OpenAtmosphereSdDirectory(FsDir *out, ncm::ProgramId program_id, const char *path, u32 mode) {
|
|
char fixed_path[ams::fs::EntryNameLengthMax + 1];
|
|
FormatAtmosphereSdPath(fixed_path, sizeof(fixed_path), program_id, path);
|
|
return OpenSdDirectory(out, fixed_path, mode);
|
|
}
|
|
|
|
Result OpenAtmosphereSdRomfsDirectory(FsDir *out, ncm::ProgramId program_id, const char *path, u32 mode) {
|
|
char fixed_path[ams::fs::EntryNameLengthMax + 1];
|
|
FormatAtmosphereRomfsPath(fixed_path, sizeof(fixed_path), program_id, path);
|
|
return OpenSdDirectory(out, fixed_path, mode);
|
|
}
|
|
|
|
Result OpenAtmosphereRomfsDirectory(FsDir *out, ncm::ProgramId program_id, const char *path, u32 mode, FsFileSystem *fs) {
|
|
char fixed_path[ams::fs::EntryNameLengthMax + 1];
|
|
FormatAtmosphereRomfsPath(fixed_path, sizeof(fixed_path), program_id, path);
|
|
return fsFsOpenDirectory(fs, fixed_path, mode, out);
|
|
}
|
|
|
|
void FormatAtmosphereSdPath(char *dst_path, size_t dst_path_size, const char *src_path) {
|
|
if (src_path[0] == '/') {
|
|
std::snprintf(dst_path, dst_path_size, "/atmosphere%s", src_path);
|
|
} else {
|
|
std::snprintf(dst_path, dst_path_size, "/atmosphere/%s", src_path);
|
|
}
|
|
}
|
|
|
|
void FormatAtmosphereSdPath(char *dst_path, size_t dst_path_size, const char *subdir, const char *src_path) {
|
|
if (src_path[0] == '/') {
|
|
std::snprintf(dst_path, dst_path_size, "/atmosphere/%s%s", subdir, src_path);
|
|
} else {
|
|
std::snprintf(dst_path, dst_path_size, "/atmosphere/%s/%s", subdir, src_path);
|
|
}
|
|
}
|
|
|
|
void FormatAtmosphereSdPath(char *dst_path, size_t dst_path_size, ncm::ProgramId program_id, const char *src_path) {
|
|
if (src_path[0] == '/') {
|
|
std::snprintf(dst_path, dst_path_size, "/atmosphere/contents/%016lx%s", static_cast<u64>(program_id), src_path);
|
|
} else {
|
|
std::snprintf(dst_path, dst_path_size, "/atmosphere/contents/%016lx/%s", static_cast<u64>(program_id), src_path);
|
|
}
|
|
}
|
|
|
|
void FormatAtmosphereSdPath(char *dst_path, size_t dst_path_size, ncm::ProgramId program_id, const char *subdir, const char *src_path) {
|
|
if (src_path[0] == '/') {
|
|
std::snprintf(dst_path, dst_path_size, "/atmosphere/contents/%016lx/%s%s", static_cast<u64>(program_id), subdir, src_path);
|
|
} else {
|
|
std::snprintf(dst_path, dst_path_size, "/atmosphere/contents/%016lx/%s/%s", static_cast<u64>(program_id), subdir, src_path);
|
|
}
|
|
}
|
|
|
|
bool HasSdRomfsContent(ncm::ProgramId program_id) {
|
|
/* Check if romfs.bin is present. */
|
|
{
|
|
FsFile romfs_file;
|
|
if (R_SUCCEEDED(OpenAtmosphereSdFile(&romfs_file, program_id, "romfs.bin", OpenMode_Read))) {
|
|
fsFileClose(&romfs_file);
|
|
return true;
|
|
}
|
|
}
|
|
|
|
/* Check for romfs folder with content. */
|
|
FsDir romfs_dir;
|
|
if (R_FAILED(OpenAtmosphereSdRomfsDirectory(&romfs_dir, program_id, "", OpenDirectoryMode_All))) {
|
|
return false;
|
|
}
|
|
ON_SCOPE_EXIT { fsDirClose(&romfs_dir); };
|
|
|
|
/* Verify the folder has at least one entry. */
|
|
s64 num_entries = 0;
|
|
return R_SUCCEEDED(fsDirGetEntryCount(&romfs_dir, &num_entries)) && num_entries > 0;
|
|
}
|
|
|
|
Result SaveAtmosphereSdFile(FsFile *out, ncm::ProgramId program_id, const char *path, void *data, size_t size) {
|
|
R_TRY(EnsureSdInitialized());
|
|
|
|
char fixed_path[ams::fs::EntryNameLengthMax + 1];
|
|
FormatAtmosphereSdPath(fixed_path, sizeof(fixed_path), program_id, path);
|
|
|
|
/* Unconditionally create. */
|
|
/* Don't check error, as a failure here should be okay. */
|
|
FsFile f;
|
|
fsFsCreateFile(&g_sd_filesystem, fixed_path, size, 0);
|
|
|
|
/* Try to open. */
|
|
R_TRY(fsFsOpenFile(&g_sd_filesystem, fixed_path, OpenMode_ReadWrite, &f));
|
|
auto file_guard = SCOPE_GUARD { fsFileClose(&f); };
|
|
|
|
/* Try to set the size. */
|
|
R_TRY(fsFileSetSize(&f, static_cast<s64>(size)));
|
|
|
|
/* Try to write data. */
|
|
R_TRY(fsFileWrite(&f, 0, data, size, FsWriteOption_Flush));
|
|
|
|
/* Set output. */
|
|
file_guard.Cancel();
|
|
*out = f;
|
|
return ResultSuccess();
|
|
}
|
|
|
|
Result CreateAndOpenAtmosphereSdFile(FsFile *out, ncm::ProgramId program_id, const char *path, size_t size) {
|
|
R_TRY(EnsureSdInitialized());
|
|
|
|
char fixed_path[ams::fs::EntryNameLengthMax + 1];
|
|
FormatAtmosphereSdPath(fixed_path, sizeof(fixed_path), program_id, path);
|
|
|
|
/* Unconditionally create. */
|
|
/* Don't check error, as a failure here should be okay. */
|
|
FsFile f;
|
|
fsFsCreateFile(&g_sd_filesystem, fixed_path, size, 0);
|
|
|
|
/* Try to open. */
|
|
R_TRY(fsFsOpenFile(&g_sd_filesystem, fixed_path, OpenMode_ReadWrite, &f));
|
|
auto file_guard = SCOPE_GUARD { fsFileClose(&f); };
|
|
|
|
/* Try to set the size. */
|
|
R_TRY(fsFileSetSize(&f, static_cast<s64>(size)));
|
|
|
|
/* Set output. */
|
|
file_guard.Cancel();
|
|
*out = f;
|
|
return ResultSuccess();
|
|
|
|
}
|
|
|
|
}
|