Atmosphere/stratosphere/fs_mitm/source/fsmitm_utils.cpp
Michael Scire c2d9ac8f5c fs.mitm: WIP LayeredFS impl (NOTE: UNUSABLE ATM)
Also greatly refactors libstratosphere, and does a lot of other things.
There is a lot of code in this one.
2018-06-14 17:51:18 -06:00

124 lines
3.7 KiB
C++

#include <switch.h>
#include <stratosphere.hpp>
#include <atomic>
#include "sm_mitm.h"
#include "debug.hpp"
#include "fsmitm_utils.hpp"
static FsFileSystem g_sd_filesystem = {0};
static bool g_has_initialized = false;
static Result EnsureInitialized() {
if (g_has_initialized) {
return 0x0;
}
static const char * const required_active_services[] = {"pcv", "gpio", "pinmux", "psc:c"};
for (unsigned int i = 0; i < sizeof(required_active_services) / sizeof(required_active_services[0]); i++) {
Result rc = smMitMUninstall(required_active_services[i]);
if (rc == 0xE15) {
return rc;
} else if (R_FAILED(rc) && rc != 0x1015) {
return rc;
}
}
Result rc = fsMountSdcard(&g_sd_filesystem);
if (R_SUCCEEDED(rc)) {
g_has_initialized = true;
}
return rc;
}
bool Utils::IsSdInitialized() {
return R_SUCCEEDED(EnsureInitialized());
}
Result Utils::OpenSdFile(const char *fn, int flags, FsFile *out) {
Result rc;
if (R_FAILED((rc = EnsureInitialized()))) {
return rc;
}
return fsFsOpenFile(&g_sd_filesystem, fn, flags, out);
}
Result Utils::OpenSdFileForAtmosphere(u64 title_id, const char *fn, int flags, FsFile *out) {
Result rc;
if (R_FAILED((rc = EnsureInitialized()))) {
return rc;
}
char path[FS_MAX_PATH];
if (*fn == '/') {
snprintf(path, sizeof(path), "/atmosphere/titles/%016lx%s", title_id, fn);
} else {
snprintf(path, sizeof(path), "/atmosphere/titles/%016lx/%s", title_id, fn);
}
return fsFsOpenFile(&g_sd_filesystem, path, flags, out);
}
Result Utils::OpenRomFSSdFile(u64 title_id, const char *fn, int flags, FsFile *out) {
Result rc;
if (R_FAILED((rc = EnsureInitialized()))) {
return rc;
}
return OpenRomFSFile(&g_sd_filesystem, title_id, fn, flags, out);
}
Result Utils::OpenSdDir(const char *path, FsDir *out) {
Result rc;
if (R_FAILED((rc = EnsureInitialized()))) {
return rc;
}
return fsFsOpenDirectory(&g_sd_filesystem, path, FS_DIROPEN_DIRECTORY | FS_DIROPEN_FILE, out);
}
Result Utils::OpenSdDirForAtmosphere(u64 title_id, const char *path, FsDir *out) {
Result rc;
if (R_FAILED((rc = EnsureInitialized()))) {
return rc;
}
char safe_path[FS_MAX_PATH];
if (*path == '/') {
snprintf(safe_path, sizeof(safe_path), "/atmosphere/titles/%016lx%s", title_id, path);
} else {
snprintf(safe_path, sizeof(safe_path), "/atmosphere/titles/%016lx/%s", title_id, path);
}
return fsFsOpenDirectory(&g_sd_filesystem, safe_path, FS_DIROPEN_DIRECTORY | FS_DIROPEN_FILE, out);
}
Result Utils::OpenRomFSSdDir(u64 title_id, const char *path, FsDir *out) {
Result rc;
if (R_FAILED((rc = EnsureInitialized()))) {
return rc;
}
return OpenRomFSDir(&g_sd_filesystem, title_id, path, out);
}
Result Utils::OpenRomFSFile(FsFileSystem *fs, u64 title_id, const char *fn, int flags, FsFile *out) {
char path[FS_MAX_PATH];
if (*fn == '/') {
snprintf(path, sizeof(path), "/atmosphere/titles/%016lx/romfs%s", title_id, fn);
} else {
snprintf(path, sizeof(path), "/atmosphere/titles/%016lx/romfs/%s", title_id, fn);
}
return fsFsOpenFile(fs, path, flags, out);
}
Result Utils::OpenRomFSDir(FsFileSystem *fs, u64 title_id, const char *path, FsDir *out) {
char safe_path[FS_MAX_PATH];
if (*path == '/') {
snprintf(safe_path, sizeof(safe_path), "/atmosphere/titles/%016lx/romfs%s", title_id, path);
} else {
snprintf(safe_path, sizeof(safe_path), "/atmosphere/titles/%016lx/romfs/%s", title_id, path);
}
return fsFsOpenDirectory(fs, safe_path, FS_DIROPEN_DIRECTORY | FS_DIROPEN_FILE, out);
}