mirror of https://github.com/RPCS3/rpcs3.git
sys_fs: Implemented sys_fs_mount(prot=1) read-only mounting & fixed up some operation and permission checks
This commit is contained in:
brian218
kd-11
parent
5e6aa45658
commit
6a570ae57e
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@ -3,6 +3,7 @@
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#include "StrFmt.h"
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#include "Crypto/sha1.h"
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#include <filesystem>
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#include <unordered_map>
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#include <algorithm>
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#include <cstring>
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@ -384,55 +385,26 @@ shared_ptr<fs::device_base> fs::set_virtual_device(const std::string& name, shar
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return get_device_manager().set_device(name, std::move(device));
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}
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std::string fs::get_parent_dir(std::string_view path, u32 levels)
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std::string fs::get_parent_dir(std::string_view path, u32 parent_level)
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{
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std::string_view result = path;
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std::string normalized_path = std::filesystem::path(path).lexically_normal().string();
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// Number of path components to remove
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usz to_remove = levels;
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#ifdef _WIN32
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std::replace(normalized_path.begin(), normalized_path.end(), '\\', '/');
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#endif
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while (to_remove--)
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if (normalized_path.back() == '/')
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normalized_path.pop_back();
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while (parent_level--)
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{
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// Trim contiguous delimiters at the end
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if (usz sz = result.find_last_not_of(delim) + 1)
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{
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result = result.substr(0, sz);
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}
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if (const auto pos = normalized_path.find_last_of('/'); pos != umax)
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normalized_path = normalized_path.substr(0, pos);
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else
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{
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return "/";
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}
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const auto elem = result.substr(result.find_last_of(delim) + 1);
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if (elem.empty() || elem.size() == result.size())
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{
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break;
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}
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if (elem == ".")
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{
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to_remove += 1;
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}
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if (elem == "..")
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{
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to_remove += 2;
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}
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result.remove_suffix(elem.size());
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}
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if (usz sz = result.find_last_not_of(delim) + 1)
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{
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result = result.substr(0, sz);
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}
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else
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{
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return "/";
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}
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return std::string{result};
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return normalized_path.empty() ? "/" : normalized_path;
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}
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bool fs::stat(const std::string& path, stat_t& info)
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@ -165,8 +165,8 @@ namespace fs
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// Set virtual device with specified name (nullptr for deletion)
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shared_ptr<device_base> set_virtual_device(const std::string& name, shared_ptr<device_base> device);
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// Try to get parent directory (returns empty string on failure)
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std::string get_parent_dir(std::string_view path, u32 levels = 1);
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// Try to get normalized parent directory
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std::string get_parent_dir(std::string_view path, u32 parent_level = 1);
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// Get file information
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bool stat(const std::string& path, stat_t& info);
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@ -139,18 +139,19 @@ error_code cellSysCacheMount(vm::ptr<CellSysCacheParam> param)
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{
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});
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std::lock_guard lock0(g_mp_sys_dev_hdd1.mutex);
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// Check if can reuse existing cache (won't if cache id is an empty string)
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if (param->cacheId[0] && cache_id == cache.cache_id)
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{
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// Isn't mounted yet on first call to cellSysCacheMount
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vfs::mount("/dev_hdd1", new_path);
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if (vfs::mount("/dev_hdd1", new_path))
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g_fxo->get<lv2_fs_mount_info_map>().add("/dev_hdd1", &g_mp_sys_dev_hdd1);
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cellSysutil.success("Mounted existing cache at %s", new_path);
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return not_an_error(CELL_SYSCACHE_RET_OK_RELAYED);
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}
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std::lock_guard lock0(g_mp_sys_dev_hdd1.mutex);
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// Clear existing cache
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if (!cache.cache_id.empty())
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{
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@ -160,7 +161,8 @@ error_code cellSysCacheMount(vm::ptr<CellSysCacheParam> param)
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// Set new cache id
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cache.cache_id = std::move(cache_id);
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fs::create_dir(new_path);
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vfs::mount("/dev_hdd1", new_path);
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if (vfs::mount("/dev_hdd1", new_path))
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g_fxo->get<lv2_fs_mount_info_map>().add("/dev_hdd1", &g_mp_sys_dev_hdd1);
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return not_an_error(CELL_SYSCACHE_RET_OK_CLEARED);
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}
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@ -24,13 +24,14 @@ lv2_fs_mount_point g_mp_sys_dev_dvd{"/dev_ps2disc", "CELL_FS_ISO9660", "CELL_FS_
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lv2_fs_mount_point g_mp_sys_dev_bdvd{"/dev_bdvd", "CELL_FS_ISO9660", "CELL_FS_IOS:PATA0_BDVD_DRIVE", 2048, 0x4D955, 65536, lv2_mp_flag::read_only + lv2_mp_flag::no_uid_gid, &g_mp_sys_dev_dvd};
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lv2_fs_mount_point g_mp_sys_dev_hdd1{"/dev_hdd1", "CELL_FS_FAT", "CELL_FS_UTILITY:HDD1", 512, 0x3FFFF8, 32768, lv2_mp_flag::no_uid_gid + lv2_mp_flag::cache, &g_mp_sys_dev_bdvd};
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lv2_fs_mount_point g_mp_sys_dev_hdd0{"/dev_hdd0", "CELL_FS_UFS", "CELL_FS_UTILITY:HDD0", 512, 0x24FAEA98, 4096, {}, &g_mp_sys_dev_hdd1};
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lv2_fs_mount_point g_mp_sys_dev_flash3{"/dev_flash3", "CELL_FS_FAT", "CELL_FS_IOS:BUILTIN_FLSH3", 512, 0x400, 8192, lv2_mp_flag::read_only + lv2_mp_flag::no_uid_gid, &g_mp_sys_dev_hdd0}; // TODO confirm
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lv2_fs_mount_point g_mp_sys_dev_flash3{"/dev_flash3", "CELL_FS_FAT", "CELL_FS_IOS:BUILTIN_FLSH3", 512, 0x400, 8192, lv2_mp_flag::no_uid_gid, &g_mp_sys_dev_hdd0}; // TODO confirm
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lv2_fs_mount_point g_mp_sys_dev_flash2{"/dev_flash2", "CELL_FS_FAT", "CELL_FS_IOS:BUILTIN_FLSH2", 512, 0x8000, 8192, lv2_mp_flag::no_uid_gid, &g_mp_sys_dev_flash3}; // TODO confirm
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lv2_fs_mount_point g_mp_sys_dev_flash{"/dev_flash", "CELL_FS_FAT", "CELL_FS_IOS:BUILTIN_FLSH1", 512, 0x63E00, 8192, lv2_mp_flag::read_only + lv2_mp_flag::no_uid_gid, &g_mp_sys_dev_flash2};
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lv2_fs_mount_point g_mp_sys_dev_flash{"/dev_flash", "CELL_FS_FAT", "CELL_FS_IOS:BUILTIN_FLSH1", 512, 0x63E00, 8192, lv2_mp_flag::no_uid_gid, &g_mp_sys_dev_flash2};
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lv2_fs_mount_point g_mp_sys_host_root{"/host_root", "CELL_FS_DUMMYFS", "CELL_FS_DUMMY:/", 512, 0x100, 512, lv2_mp_flag::strict_get_block_size + lv2_mp_flag::no_uid_gid, &g_mp_sys_dev_flash};
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lv2_fs_mount_point g_mp_sys_app_home{"/app_home", "CELL_FS_DUMMYFS", "CELL_FS_DUMMY:", 512, 0x100, 512, lv2_mp_flag::strict_get_block_size + lv2_mp_flag::no_uid_gid, &g_mp_sys_host_root};
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lv2_fs_mount_point g_mp_sys_dev_root{"/", "CELL_FS_ADMINFS", "CELL_FS_ADMINFS:", 512, 0x100, 512, lv2_mp_flag::read_only + lv2_mp_flag::strict_get_block_size + lv2_mp_flag::no_uid_gid, &g_mp_sys_app_home};
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lv2_fs_mount_point g_mp_sys_no_device{};
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lv2_fs_mount_info g_mi_sys_not_found{}; // wrapper for &g_mp_sys_no_device
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template<>
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void fmt_class_string<lv2_file_type>::format(std::string& out, u64 arg)
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@ -131,13 +132,13 @@ lv2_fs_mount_info_map::lv2_fs_mount_info_map()
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{
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if (!vfs::get(fmt::format("%s%03d", mp->root, i)).empty())
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{
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add(fmt::format("%s%03d", mp->root, i), mp, fmt::format("%s%03d", mp->device, i));
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add(fmt::format("%s%03d", mp->root, i), mp, fmt::format("%s%03d", mp->device, i), mp->file_system, false);
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}
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}
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}
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else if (mp == &g_mp_sys_dev_root || !vfs::get(mp->root).empty())
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{
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add(std::string(mp->root), mp);
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add(std::string(mp->root), mp, mp->device, mp->file_system, mp == &g_mp_sys_dev_flash); // /dev_flash is mounted in read only mode initially
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}
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}
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}
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@ -145,14 +146,7 @@ lv2_fs_mount_info_map::lv2_fs_mount_info_map()
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lv2_fs_mount_info_map::~lv2_fs_mount_info_map()
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{
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for (const auto& [path, info] : map)
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lv2_fs_object::vfs_unmount(path);
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map.clear();
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}
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template <typename... Args>
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bool lv2_fs_mount_info_map::add(Args&&... args)
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{
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return map.try_emplace(std::forward<Args>(args)...).second;
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vfs_unmount(path);
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}
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bool lv2_fs_mount_info_map::remove(std::string_view path)
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@ -165,11 +159,29 @@ bool lv2_fs_mount_info_map::remove(std::string_view path)
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return false;
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}
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const lv2_fs_mount_info& lv2_fs_mount_info_map::lookup(std::string_view path) const
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const lv2_fs_mount_info& lv2_fs_mount_info_map::lookup(std::string_view path, bool no_cell_fs_path) const
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{
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if (const auto iterator = map.find(path); iterator != map.end())
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return iterator->second;
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return mount_info_no_device;
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if (path.starts_with("/"sv))
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{
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constexpr std::string_view cell_fs_path = "CELL_FS_PATH:"sv;
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std::string path_dir;
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u32 parent_level = 0;
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do
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{
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path_dir = fs::get_parent_dir(path, parent_level++);
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if (const auto iterator = map.find(path_dir); iterator != map.end())
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{
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if (iterator->second == &g_mp_sys_dev_root && parent_level > 1)
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break;
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if (no_cell_fs_path && iterator->second.device.starts_with(cell_fs_path))
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return lookup(iterator->second.device.substr(cell_fs_path.size()), no_cell_fs_path); // Recursively look up the parent mount info
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return iterator->second;
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}
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} while (path_dir.length() > 1); // Exit the loop when path_dir == "/" or empty
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}
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return g_mi_sys_not_found;
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}
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u64 lv2_fs_mount_info_map::get_all(CellFsMountInfo* info, u64 len) const
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@ -209,60 +221,51 @@ u64 lv2_fs_mount_info_map::get_all(CellFsMountInfo* info, u64 len) const
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return count;
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}
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std::string_view lv2_fs_object::get_device_root(std::string_view filename)
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bool lv2_fs_mount_info_map::vfs_unmount(std::string_view vpath)
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{
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std::string_view mp_name, vpath = filename;
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const std::string local_path = vfs::get(vpath);
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for (usz depth = 0;;)
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if (local_path.empty())
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return false;
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if (fs::is_file(local_path))
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{
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// Skip one or more '/'
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const auto pos = vpath.find_first_not_of('/');
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if (pos == 0)
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if (fs::remove_file(local_path))
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{
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// No need to process it, return it as-is
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return vpath;
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sys_fs.notice("Removed simplefs file \"%s\"", local_path);
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}
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if (pos == umax)
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else
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{
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break;
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}
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// Get fragment name
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const auto name = vpath.substr(pos, vpath.find_first_of('/', pos) - pos);
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vpath.remove_prefix(name.size() + pos);
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// Process special directories
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if (name == "."sv)
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{
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// Keep current
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continue;
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}
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if (name == ".."sv)
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{
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// Root parent is root
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if (depth == 0)
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{
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continue;
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}
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depth--;
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continue;
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}
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if (depth++ == 0)
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{
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// Save mountpoint name
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mp_name = name;
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sys_fs.error("Failed to remove simplefs file \"%s\"", local_path);
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}
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}
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return mp_name;
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const auto result = vfs::unmount(vpath);
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if (result)
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g_fxo->get<lv2_fs_mount_info_map>().remove(vpath);
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return result;
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}
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std::string lv2_fs_object::get_device_root(std::string_view filename)
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{
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if (filename.starts_with("/"sv))
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{
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std::string path_dir;
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u32 parent_level = 0;
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do
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{
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path_dir = fs::get_parent_dir(filename, parent_level++);
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if (path_dir.find_last_of("/") == 0)
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return path_dir;
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} while (path_dir.length() > 1); // Exit the loop when path_dir == "/" or empty
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}
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return std::string(filename);
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}
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// Filename can be either a path starting with '/' or a CELL_FS device name
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lv2_fs_mount_point* lv2_fs_object::get_mp(std::string_view filename, std::string* vfs_path)
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{
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constexpr std::string_view cell_fs_path = "CELL_FS_PATH:"sv;
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@ -272,7 +275,7 @@ lv2_fs_mount_point* lv2_fs_object::get_mp(std::string_view filename, std::string
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filename.remove_prefix(cell_fs_path.size());
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const bool is_path = filename.starts_with('/');
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std::string mp_name = std::string(get_device_root(filename));
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std::string mp_name = get_device_root(filename);
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const auto check_mp = [&]()
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{
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@ -343,30 +346,15 @@ lv2_fs_mount_point* lv2_fs_object::get_mp(std::string_view filename, std::string
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return result;
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}
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bool lv2_fs_object::vfs_unmount(std::string_view vpath)
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lv2_fs_object::lv2_fs_object(std::string_view filename)
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: name(get_name(filename))
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, mp(g_fxo->get<lv2_fs_mount_info_map>().lookup(name.data()))
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{
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const std::string local_path = vfs::get(vpath);
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if (local_path.empty())
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return false;
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if (fs::is_file(local_path))
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{
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if (fs::remove_file(local_path))
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{
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sys_fs.notice("Removed simplefs file \"%s\"", local_path);
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}
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else
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{
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sys_fs.error("Failed to remove simplefs file \"%s\"", local_path);
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}
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}
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return vfs::unmount(vpath);
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}
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lv2_fs_object::lv2_fs_object(utils::serial& ar, bool)
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: name(ar)
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, mp(g_fxo->get<lv2_fs_mount_info_map>().lookup(name.data()))
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{
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}
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@ -470,7 +458,7 @@ void lv2_file::save(utils::serial& ar)
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USING_SERIALIZATION_VERSION(lv2_fs);
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ar(name, mode, flags, type, lock, ensure(vfs::retrieve(real_path), FN(!x.empty())));
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if (!(mp->flags & lv2_mp_flag::read_only) && flags & CELL_FS_O_ACCMODE)
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if (!mp.read_only && flags & CELL_FS_O_ACCMODE)
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{
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// Ensure accurate timestamps and content on disk
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file.sync();
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@ -480,7 +468,7 @@ void lv2_file::save(utils::serial& ar)
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// descriptors shall keep the data in memory in this case
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const bool in_mem = [&]()
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{
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if (mp->flags & lv2_mp_flag::read_only)
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if (mp.read_only)
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{
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return false;
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}
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@ -719,7 +707,7 @@ error_code sys_fs_test(ppu_thread&, u32 arg1, u32 arg2, vm::ptr<u32> arg3, u32 a
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return CELL_OK;
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}
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lv2_file::open_raw_result_t lv2_file::open_raw(const std::string& local_path, s32 flags, s32 /*mode*/, lv2_file_type type, const lv2_fs_mount_point* mp)
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lv2_file::open_raw_result_t lv2_file::open_raw(const std::string& local_path, s32 flags, s32 /*mode*/, lv2_file_type type, const lv2_fs_mount_info& mp)
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{
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// TODO: other checks for path
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@ -738,7 +726,7 @@ lv2_file::open_raw_result_t lv2_file::open_raw(const std::string& local_path, s3
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default: break;
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}
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if (mp->flags & lv2_mp_flag::read_only)
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if (mp.read_only)
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{
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if ((flags & CELL_FS_O_ACCMODE) != CELL_FS_O_RDONLY && fs::is_file(local_path))
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{
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@ -776,7 +764,7 @@ lv2_file::open_raw_result_t lv2_file::open_raw(const std::string& local_path, s3
|
|||
sys_fs.warning("lv2_file::open() called with CELL_FS_O_UNK flag enabled. FLAGS: %#o", flags);
|
||||
}
|
||||
|
||||
if (mp->flags & lv2_mp_flag::read_only)
|
||||
if (mp.read_only)
|
||||
{
|
||||
// Deactivate mutating flags on read-only FS
|
||||
open_mode = fs::read;
|
||||
|
|
@ -828,7 +816,7 @@ lv2_file::open_raw_result_t lv2_file::open_raw(const std::string& local_path, s3
|
|||
|
||||
if (!file)
|
||||
{
|
||||
if (mp->flags & lv2_mp_flag::read_only)
|
||||
if (mp.read_only)
|
||||
{
|
||||
// Failed to create file on read-only FS (file doesn't exist)
|
||||
if (flags & CELL_FS_O_ACCMODE && flags & CELL_FS_O_CREAT)
|
||||
|
|
@ -937,7 +925,7 @@ lv2_file::open_result_t lv2_file::open(std::string_view vpath, s32 flags, s32 mo
|
|||
std::string path;
|
||||
std::string local_path = vfs::get(vpath, nullptr, &path);
|
||||
|
||||
const auto mp = lv2_fs_object::get_mp(vpath);
|
||||
const auto& mp = g_fxo->get<lv2_fs_mount_info_map>().lookup(vpath);
|
||||
|
||||
if (mp == &g_mp_sys_dev_root)
|
||||
{
|
||||
|
|
@ -991,7 +979,7 @@ error_code sys_fs_open(ppu_thread& ppu, vm::cptr<char> path, s32 flags, vm::ptr<
|
|||
return not_an_error(CELL_EEXIST);
|
||||
}
|
||||
|
||||
return {lv2_fs_object::get_mp(vpath) == &g_mp_sys_dev_hdd1 ? sys_fs.warning : sys_fs.error, error, path};
|
||||
return {g_fxo->get<lv2_fs_mount_info_map>().lookup(vpath) == &g_mp_sys_dev_hdd1 ? sys_fs.warning : sys_fs.error, error, path};
|
||||
}
|
||||
|
||||
if (const u32 id = idm::import<lv2_fs_object, lv2_file>([&ppath = ppath, &file = file, mode, flags, &real = real, &type = type]() -> std::shared_ptr<lv2_file>
|
||||
|
|
@ -1131,7 +1119,7 @@ error_code sys_fs_write(ppu_thread& ppu, u32 fd, vm::cptr<void> buf, u64 nbytes,
|
|||
sys_fs.error("%s type: Writing %u bytes to FD=%d (path=%s)", file->type, nbytes, file->name.data());
|
||||
}
|
||||
|
||||
if (file->mp->flags & lv2_mp_flag::read_only)
|
||||
if (file->mp.read_only)
|
||||
{
|
||||
nwrite.try_write(0);
|
||||
return CELL_EROFS;
|
||||
|
|
@ -1197,7 +1185,7 @@ error_code sys_fs_close(ppu_thread& ppu, u32 fd)
|
|||
return {CELL_EBADF, fd};
|
||||
}
|
||||
|
||||
if (!(file->mp->flags & (lv2_mp_flag::read_only + lv2_mp_flag::cache)) && file->flags & CELL_FS_O_ACCMODE)
|
||||
if (!(file->mp.read_only && file->mp->flags & lv2_mp_flag::cache) && file->flags & CELL_FS_O_ACCMODE)
|
||||
{
|
||||
// Special: Ensure temporary directory for gamedata writes will remain on disk before final gamedata commitment
|
||||
file->file.sync(); // For cellGameContentPermit atomicity
|
||||
|
|
@ -1266,7 +1254,7 @@ error_code sys_fs_opendir(ppu_thread& ppu, vm::cptr<char> path, vm::ptr<u32> fd)
|
|||
|
||||
processed_path += "/";
|
||||
|
||||
const auto mp = lv2_fs_object::get_mp(vpath);
|
||||
const auto& mp = g_fxo->get<lv2_fs_mount_info_map>().lookup(vpath);
|
||||
|
||||
if (local_path.empty() && ext.empty())
|
||||
{
|
||||
|
|
@ -1454,7 +1442,7 @@ error_code sys_fs_stat(ppu_thread& ppu, vm::cptr<char> path, vm::ptr<CellFsStat>
|
|||
|
||||
const std::string local_path = vfs::get(vpath);
|
||||
|
||||
const auto mp = lv2_fs_object::get_mp(vpath);
|
||||
const auto& mp = g_fxo->get<lv2_fs_mount_info_map>().lookup(vpath);
|
||||
|
||||
if (mp == &g_mp_sys_dev_root)
|
||||
{
|
||||
|
|
@ -1522,7 +1510,7 @@ error_code sys_fs_stat(ppu_thread& ppu, vm::cptr<char> path, vm::ptr<CellFsStat>
|
|||
|
||||
s32 mode = info.is_directory ? CELL_FS_S_IFDIR | 0777 : CELL_FS_S_IFREG | 0666;
|
||||
|
||||
if (mp->flags & lv2_mp_flag::read_only)
|
||||
if (mp.read_only)
|
||||
{
|
||||
// Remove write permissions
|
||||
mode &= ~0222;
|
||||
|
|
@ -1572,7 +1560,7 @@ error_code sys_fs_fstat(ppu_thread& ppu, u32 fd, vm::ptr<CellFsStat> sb)
|
|||
|
||||
s32 mode = info.is_directory ? CELL_FS_S_IFDIR | 0777 : CELL_FS_S_IFREG | 0666;
|
||||
|
||||
if (file->mp->flags & lv2_mp_flag::read_only)
|
||||
if (file->mp.read_only)
|
||||
{
|
||||
// Remove write permissions
|
||||
mode &= ~0222;
|
||||
|
|
@ -1612,7 +1600,7 @@ error_code sys_fs_mkdir(ppu_thread& ppu, vm::cptr<char> path, s32 mode)
|
|||
|
||||
const std::string local_path = vfs::get(vpath);
|
||||
|
||||
const auto mp = lv2_fs_object::get_mp(vpath);
|
||||
const auto& mp = g_fxo->get<lv2_fs_mount_info_map>().lookup(vpath);
|
||||
|
||||
if (mp == &g_mp_sys_dev_root)
|
||||
{
|
||||
|
|
@ -1624,7 +1612,7 @@ error_code sys_fs_mkdir(ppu_thread& ppu, vm::cptr<char> path, s32 mode)
|
|||
return {CELL_ENOTMOUNTED, path};
|
||||
}
|
||||
|
||||
if (mp->flags & lv2_mp_flag::read_only)
|
||||
if (mp.read_only)
|
||||
{
|
||||
return {CELL_EROFS, path};
|
||||
}
|
||||
|
|
@ -1677,8 +1665,8 @@ error_code sys_fs_rename(ppu_thread& ppu, vm::cptr<char> from, vm::cptr<char> to
|
|||
const std::string local_from = vfs::get(vfrom);
|
||||
const std::string local_to = vfs::get(vto);
|
||||
|
||||
const auto mp = lv2_fs_object::get_mp(vfrom);
|
||||
const auto mp_to = lv2_fs_object::get_mp(vto);
|
||||
const auto& mp = g_fxo->get<lv2_fs_mount_info_map>().lookup(vfrom);
|
||||
const auto& mp_to = g_fxo->get<lv2_fs_mount_info_map>().lookup(vto);
|
||||
|
||||
if (mp == &g_mp_sys_dev_root || mp_to == &g_mp_sys_dev_root)
|
||||
{
|
||||
|
|
@ -1695,7 +1683,7 @@ error_code sys_fs_rename(ppu_thread& ppu, vm::cptr<char> from, vm::cptr<char> to
|
|||
return CELL_EXDEV;
|
||||
}
|
||||
|
||||
if (mp->flags & lv2_mp_flag::read_only)
|
||||
if (mp.read_only)
|
||||
{
|
||||
return CELL_EROFS;
|
||||
}
|
||||
|
|
@ -1703,7 +1691,7 @@ error_code sys_fs_rename(ppu_thread& ppu, vm::cptr<char> from, vm::cptr<char> to
|
|||
// Done in vfs::host::rename
|
||||
//std::lock_guard lock(mp->mutex);
|
||||
|
||||
if (!vfs::host::rename(local_from, local_to, mp, false))
|
||||
if (!vfs::host::rename(local_from, local_to, mp.mp, false))
|
||||
{
|
||||
switch (auto error = fs::g_tls_error)
|
||||
{
|
||||
|
|
@ -1735,7 +1723,7 @@ error_code sys_fs_rmdir(ppu_thread& ppu, vm::cptr<char> path)
|
|||
|
||||
const std::string local_path = vfs::get(vpath);
|
||||
|
||||
const auto mp = lv2_fs_object::get_mp(vpath);
|
||||
const auto& mp = g_fxo->get<lv2_fs_mount_info_map>().lookup(vpath);
|
||||
|
||||
if (mp == &g_mp_sys_dev_root)
|
||||
{
|
||||
|
|
@ -1747,7 +1735,7 @@ error_code sys_fs_rmdir(ppu_thread& ppu, vm::cptr<char> path)
|
|||
return {CELL_ENOTMOUNTED, path};
|
||||
}
|
||||
|
||||
if (mp->flags & lv2_mp_flag::read_only)
|
||||
if (mp.read_only)
|
||||
{
|
||||
return {CELL_EROFS, path};
|
||||
}
|
||||
|
|
@ -1786,7 +1774,7 @@ error_code sys_fs_unlink(ppu_thread& ppu, vm::cptr<char> path)
|
|||
|
||||
const std::string local_path = vfs::get(vpath);
|
||||
|
||||
const auto mp = lv2_fs_object::get_mp(vpath);
|
||||
const auto& mp = g_fxo->get<lv2_fs_mount_info_map>().lookup(vpath);
|
||||
|
||||
if (mp == &g_mp_sys_dev_root)
|
||||
{
|
||||
|
|
@ -1803,7 +1791,7 @@ error_code sys_fs_unlink(ppu_thread& ppu, vm::cptr<char> path)
|
|||
return {CELL_EISDIR, path};
|
||||
}
|
||||
|
||||
if (mp->flags & lv2_mp_flag::read_only)
|
||||
if (mp.read_only)
|
||||
{
|
||||
return {CELL_EROFS, path};
|
||||
}
|
||||
|
|
@ -1905,7 +1893,7 @@ error_code sys_fs_fcntl(ppu_thread& ppu, u32 fd, u32 op, vm::ptr<void> _arg, u32
|
|||
return CELL_EBADF;
|
||||
}
|
||||
|
||||
if (op == 0x8000000b && file->mp->flags & lv2_mp_flag::read_only)
|
||||
if (op == 0x8000000b && file->mp.read_only)
|
||||
{
|
||||
return CELL_EROFS;
|
||||
}
|
||||
|
|
@ -2006,7 +1994,7 @@ error_code sys_fs_fcntl(ppu_thread& ppu, u32 fd, u32 op, vm::ptr<void> _arg, u32
|
|||
|
||||
const auto arg = vm::static_ptr_cast<lv2_file_c0000002>(_arg);
|
||||
|
||||
const auto mp = lv2_fs_object::get_mp("/dev_hdd0");
|
||||
const auto& mp = g_fxo->get<lv2_fs_mount_info_map>().lookup("/dev_hdd0");
|
||||
|
||||
arg->out_block_size = mp->block_size;
|
||||
arg->out_block_count = (40ull * 1024 * 1024 * 1024 - 1) / mp->block_size; // Read explanation in cellHddGameCheck
|
||||
|
|
@ -2192,17 +2180,15 @@ error_code sys_fs_fcntl(ppu_thread& ppu, u32 fd, u32 op, vm::ptr<void> _arg, u32
|
|||
return {CELL_ENOTMOUNTED, vpath};
|
||||
}
|
||||
|
||||
const auto& mi = g_fxo->get<lv2_fs_mount_info_map>().lookup(vpath);
|
||||
const auto num_pos = mi.device.find_first_of("0123456789");
|
||||
const auto& mp = g_fxo->get<lv2_fs_mount_info_map>().lookup(vpath, true);
|
||||
|
||||
if (mi != &g_mp_sys_dev_usb || num_pos == umax)
|
||||
if (mp != &g_mp_sys_dev_usb)
|
||||
{
|
||||
arg->out_code = CELL_ENOTSUP;
|
||||
return {CELL_ENOTSUP, vpath};
|
||||
}
|
||||
|
||||
const std::string device_path = fmt::format("%s%s", mi->root, mi.device.substr(num_pos));
|
||||
const cfg::device_info device = g_cfg_vfs.get_device(g_cfg_vfs.dev_usb, device_path);
|
||||
const cfg::device_info device = g_cfg_vfs.get_device(g_cfg_vfs.dev_usb, fmt::format("%s%s", mp->root, mp.device.substr(mp->device.size())));
|
||||
std::tie(arg->vendorID, arg->productID) = device.get_usb_ids();
|
||||
|
||||
if (with_serial)
|
||||
|
|
@ -2214,7 +2200,7 @@ error_code sys_fs_fcntl(ppu_thread& ppu, u32 fd, u32 op, vm::ptr<void> _arg, u32
|
|||
|
||||
arg->out_code = CELL_OK;
|
||||
|
||||
sys_fs.trace("sys_fs_fcntl(0x%08x): found device \"%s\" (vid=0x%x, pid=0x%x, serial=\"%s\")", op, device_path, arg->vendorID, arg->productID, device.serial);
|
||||
sys_fs.trace("sys_fs_fcntl(0x%08x): found device \"%s\" (vid=0x%04x, pid=0x%04x, serial=\"%s\")", op, mp.device, arg->vendorID, arg->productID, device.serial);
|
||||
return CELL_OK;
|
||||
}
|
||||
|
||||
|
|
@ -2352,7 +2338,7 @@ error_code sys_fs_fcntl(ppu_thread& ppu, u32 fd, u32 op, vm::ptr<void> _arg, u32
|
|||
|
||||
s32 mode = info->is_directory ? CELL_FS_S_IFDIR | 0777 : CELL_FS_S_IFREG | 0666;
|
||||
|
||||
if (directory->mp->flags & lv2_mp_flag::read_only)
|
||||
if (directory->mp.read_only)
|
||||
{
|
||||
// Remove write permissions
|
||||
mode &= ~0222;
|
||||
|
|
@ -2638,7 +2624,7 @@ error_code sys_fs_get_block_size(ppu_thread& ppu, vm::cptr<char> path, vm::ptr<u
|
|||
return {CELL_ENOTMOUNTED, path};
|
||||
}
|
||||
|
||||
const auto mp = lv2_fs_object::get_mp(vpath);
|
||||
const auto& mp = g_fxo->get<lv2_fs_mount_info_map>().lookup(vpath);
|
||||
|
||||
// It appears that /dev_hdd0 mount point is special in this function
|
||||
if (mp != &g_mp_sys_dev_hdd0 && (mp->flags & lv2_mp_flag::strict_get_block_size ? !fs::is_file(local_path) : !fs::exists(local_path)))
|
||||
|
|
@ -2679,7 +2665,7 @@ error_code sys_fs_truncate(ppu_thread& ppu, vm::cptr<char> path, u64 size)
|
|||
|
||||
const std::string local_path = vfs::get(vpath);
|
||||
|
||||
const auto mp = lv2_fs_object::get_mp(vpath);
|
||||
const auto& mp = g_fxo->get<lv2_fs_mount_info_map>().lookup(vpath);
|
||||
|
||||
if (mp == &g_mp_sys_dev_root)
|
||||
{
|
||||
|
|
@ -2691,7 +2677,7 @@ error_code sys_fs_truncate(ppu_thread& ppu, vm::cptr<char> path, u64 size)
|
|||
return {CELL_ENOTMOUNTED, path};
|
||||
}
|
||||
|
||||
if (mp->flags & lv2_mp_flag::read_only)
|
||||
if (mp.read_only)
|
||||
{
|
||||
return {CELL_EROFS, path};
|
||||
}
|
||||
|
|
@ -2729,7 +2715,7 @@ error_code sys_fs_ftruncate(ppu_thread& ppu, u32 fd, u64 size)
|
|||
return CELL_EBADF;
|
||||
}
|
||||
|
||||
if (file->mp->flags & lv2_mp_flag::read_only)
|
||||
if (file->mp.read_only)
|
||||
{
|
||||
return CELL_EROFS;
|
||||
}
|
||||
|
|
@ -2825,7 +2811,7 @@ error_code sys_fs_disk_free(ppu_thread& ppu, vm::cptr<char> path, vm::ptr<u64> t
|
|||
return {CELL_EINVAL, path};
|
||||
}
|
||||
|
||||
const auto mp = lv2_fs_object::get_mp(vpath);
|
||||
const auto& mp = g_fxo->get<lv2_fs_mount_info_map>().lookup(vpath);
|
||||
|
||||
if (mp->flags & lv2_mp_flag::strict_get_block_size)
|
||||
{
|
||||
|
|
@ -2833,7 +2819,7 @@ error_code sys_fs_disk_free(ppu_thread& ppu, vm::cptr<char> path, vm::ptr<u64> t
|
|||
return {CELL_ENOTSUP, path};
|
||||
}
|
||||
|
||||
if (mp->flags & lv2_mp_flag::read_only)
|
||||
if (mp.read_only)
|
||||
{
|
||||
// TODO: check /dev_bdvd
|
||||
ppu.check_state();
|
||||
|
|
@ -2882,7 +2868,7 @@ error_code sys_fs_utime(ppu_thread& ppu, vm::cptr<char> path, vm::cptr<CellFsUti
|
|||
|
||||
const std::string local_path = vfs::get(vpath);
|
||||
|
||||
const auto mp = lv2_fs_object::get_mp(vpath);
|
||||
const auto& mp = g_fxo->get<lv2_fs_mount_info_map>().lookup(vpath);
|
||||
|
||||
if (mp == &g_mp_sys_dev_root)
|
||||
{
|
||||
|
|
@ -2894,7 +2880,7 @@ error_code sys_fs_utime(ppu_thread& ppu, vm::cptr<char> path, vm::cptr<CellFsUti
|
|||
return {CELL_ENOTMOUNTED, path};
|
||||
}
|
||||
|
||||
if (mp->flags & lv2_mp_flag::read_only)
|
||||
if (mp.read_only)
|
||||
{
|
||||
return {CELL_EROFS, path};
|
||||
}
|
||||
|
|
@ -3070,14 +3056,18 @@ error_code sys_fs_newfs(ppu_thread& ppu, vm::cptr<char> dev_name, vm::cptr<char>
|
|||
|
||||
std::string vfs_path;
|
||||
const auto mp = lv2_fs_object::get_mp(device_name, &vfs_path);
|
||||
std::unique_lock lock(mp->mutex, std::defer_lock);
|
||||
|
||||
if (!g_ps3_process_info.has_root_perm() && mp != &g_mp_sys_dev_usb)
|
||||
return CELL_EPERM;
|
||||
return {CELL_EPERM, device_name};
|
||||
|
||||
if (mp == &g_mp_sys_no_device)
|
||||
return {CELL_ENXIO, device_name};
|
||||
|
||||
if (mp == &g_mp_sys_dev_root || vfs_path.empty())
|
||||
if (mp == &g_mp_sys_dev_root || !lock.try_lock())
|
||||
return {CELL_EBUSY, device_name};
|
||||
|
||||
if (vfs_path.empty())
|
||||
return {CELL_ENOTSUP, device_name};
|
||||
|
||||
if (mp->flags & lv2_mp_flag::read_only)
|
||||
|
|
@ -3103,7 +3093,7 @@ error_code sys_fs_mount(ppu_thread& ppu, vm::cptr<char> dev_name, vm::cptr<char>
|
|||
{
|
||||
ppu.state += cpu_flag::wait;
|
||||
|
||||
sys_fs.trace("sys_fs_mount(dev_name=%s, file_system=%s, path=%s, unk1=0x%x, prot=0x%x, unk3=0x%x, str1=%s, str_len=%d)", dev_name, file_system, path, unk1, prot, unk3, str1, str_len);
|
||||
sys_fs.trace("sys_fs_mount(dev_name=%s, file_system=%s, path=%s, unk1=0x%x, prot=%d, unk3=0x%x, str1=%s, str_len=%d)", dev_name, file_system, path, unk1, prot, unk3, str1, str_len);
|
||||
|
||||
const auto [dev_error, device_name] = translate_to_sv(dev_name, false);
|
||||
|
||||
|
|
@ -3119,34 +3109,35 @@ error_code sys_fs_mount(ppu_thread& ppu, vm::cptr<char> dev_name, vm::cptr<char>
|
|||
return {fs_error, filesystem};
|
||||
}
|
||||
|
||||
const auto [path_error, vpath] = translate_to_sv(path);
|
||||
const auto [path_error, path_sv] = translate_to_sv(path);
|
||||
|
||||
if (path_error)
|
||||
{
|
||||
return {path_error, vpath};
|
||||
return {path_error, path_sv};
|
||||
}
|
||||
|
||||
if (!vpath.starts_with('/'))
|
||||
return {CELL_EINVAL, vpath};
|
||||
const std::string vpath = fs::get_parent_dir(path_sv, 0); // Just normalize the path
|
||||
|
||||
std::string vfs_path;
|
||||
const auto mp_src = lv2_fs_object::get_mp(device_name, &vfs_path);
|
||||
const auto mp_dst = lv2_fs_object::get_mp(vpath);
|
||||
const bool is_simplefs = filesystem == "CELL_FS_SIMPLEFS"sv;
|
||||
const auto mp = lv2_fs_object::get_mp(device_name, &vfs_path);
|
||||
std::unique_lock lock(mp->mutex, std::defer_lock);
|
||||
|
||||
if (!g_ps3_process_info.has_root_perm() && (mp_src != &g_mp_sys_dev_usb || mp_dst != &g_mp_sys_dev_usb))
|
||||
return CELL_EPERM;
|
||||
if (!g_ps3_process_info.has_root_perm() && mp != &g_mp_sys_dev_usb)
|
||||
return {CELL_EPERM, device_name};
|
||||
|
||||
if (mp_src == &g_mp_sys_no_device)
|
||||
if (mp == &g_mp_sys_no_device)
|
||||
return {CELL_ENXIO, device_name};
|
||||
|
||||
if (mp_src == &g_mp_sys_dev_root || vfs_path.empty())
|
||||
if (mp == &g_mp_sys_dev_root || !lock.try_lock())
|
||||
return {CELL_EBUSY, device_name};
|
||||
|
||||
if (vfs_path.empty())
|
||||
return {CELL_ENOTSUP, device_name};
|
||||
|
||||
if (mp_dst == &g_mp_sys_dev_root || !vfs::get(vpath).empty())
|
||||
if (vpath.find_first_not_of('/') == umax || !vfs::get(vpath).empty())
|
||||
return {CELL_EEXIST, vpath};
|
||||
|
||||
if (mp_src == &g_mp_sys_dev_hdd1)
|
||||
if (mp == &g_mp_sys_dev_hdd1)
|
||||
{
|
||||
const std::string_view appname = g_ps3_process_info.get_cellos_appname();
|
||||
vfs_path = fmt::format("%s/caches/%s", vfs_path, appname.substr(0, appname.find_last_of('.')));
|
||||
|
|
@ -3161,12 +3152,14 @@ error_code sys_fs_mount(ppu_thread& ppu, vm::cptr<char> dev_name, vm::cptr<char>
|
|||
return {CELL_EIO, vfs_path};
|
||||
}
|
||||
|
||||
const bool is_simplefs = filesystem == "CELL_FS_SIMPLEFS"sv;
|
||||
|
||||
if (is_simplefs)
|
||||
{
|
||||
vfs_path += "simplefs.tmp";
|
||||
if (fs::file simplefs_file; simplefs_file.open(vfs_path, fs::create + fs::read + fs::write + fs::trunc + fs::lock))
|
||||
{
|
||||
const u64 file_size = mp_src->sector_size; // One sector's size is enough for VSH's simplefs check
|
||||
const u64 file_size = mp->sector_size; // One sector's size is enough for VSH's simplefs check
|
||||
simplefs_file.trunc(file_size);
|
||||
sys_fs.notice("Created a simplefs file at \"%s\"", vfs_path);
|
||||
}
|
||||
|
|
@ -3194,7 +3187,7 @@ error_code sys_fs_mount(ppu_thread& ppu, vm::cptr<char> dev_name, vm::cptr<char>
|
|||
return CELL_EIO;
|
||||
}
|
||||
|
||||
g_fxo->get<lv2_fs_mount_info_map>().add(std::string(vpath), mp_src, device_name, filesystem, prot);
|
||||
g_fxo->get<lv2_fs_mount_info_map>().add(vpath, mp, device_name, filesystem, prot);
|
||||
|
||||
return CELL_OK;
|
||||
}
|
||||
|
|
@ -3212,21 +3205,20 @@ error_code sys_fs_unmount(ppu_thread& ppu, vm::cptr<char> path, s32 unk1, s32 un
|
|||
return {path_error, vpath};
|
||||
}
|
||||
|
||||
if (!vpath.starts_with('/'))
|
||||
return {CELL_EINVAL, vpath};
|
||||
|
||||
const auto mp = lv2_fs_object::get_mp(vpath);
|
||||
const auto& mp = g_fxo->get<lv2_fs_mount_info_map>().lookup(vpath);
|
||||
std::unique_lock lock(mp->mutex, std::defer_lock);
|
||||
|
||||
if (!g_ps3_process_info.has_root_perm() && mp != &g_mp_sys_dev_usb)
|
||||
return CELL_EPERM;
|
||||
return {CELL_EPERM, vpath};
|
||||
|
||||
if (mp == &g_mp_sys_dev_root)
|
||||
return {CELL_ENOTSUP, vpath};
|
||||
|
||||
if (!lv2_fs_object::vfs_unmount(vpath))
|
||||
if (mp == &g_mp_sys_no_device)
|
||||
return {CELL_ENOTMOUNTED, vpath};
|
||||
|
||||
g_fxo->get<lv2_fs_mount_info_map>().remove(vpath);
|
||||
if (mp == &g_mp_sys_dev_root || !lock.try_lock())
|
||||
return {CELL_EBUSY, vpath};
|
||||
|
||||
if (!lv2_fs_mount_info_map::vfs_unmount(vpath))
|
||||
return {CELL_EIO, vpath};
|
||||
|
||||
return CELL_OK;
|
||||
}
|
||||
|
|
|
|||
|
|
@ -173,7 +173,7 @@ struct lv2_fs_mount_info
|
|||
: mp(mp ? mp : &g_mp_sys_no_device)
|
||||
, device(device.empty() ? this->mp->device : device)
|
||||
, file_system(file_system.empty() ? this->mp->file_system : file_system)
|
||||
, read_only((this->mp->flags & lv2_mp_flag::read_only) || read_only)
|
||||
, read_only((this->mp->flags & lv2_mp_flag::read_only) || read_only) // respect the original flags of the mount point as well
|
||||
{
|
||||
}
|
||||
|
||||
|
|
@ -181,16 +181,18 @@ struct lv2_fs_mount_info
|
|||
{
|
||||
return this == &rhs;
|
||||
}
|
||||
constexpr bool operator==(lv2_fs_mount_point* const& rhs) const noexcept
|
||||
constexpr bool operator==(const lv2_fs_mount_point* const& rhs) const noexcept
|
||||
{
|
||||
return mp == rhs;
|
||||
}
|
||||
constexpr const lv2_fs_mount_point* operator->() const noexcept
|
||||
constexpr lv2_fs_mount_point* operator->() const noexcept
|
||||
{
|
||||
return mp;
|
||||
}
|
||||
};
|
||||
|
||||
extern lv2_fs_mount_info g_mi_sys_not_found;
|
||||
|
||||
struct CellFsMountInfo; // Forward Declaration
|
||||
|
||||
struct lv2_fs_mount_info_map
|
||||
|
|
@ -205,11 +207,16 @@ public:
|
|||
|
||||
// Forwarding arguments to map.try_emplace(): refer to the constructor of lv2_fs_mount_info
|
||||
template <typename... Args>
|
||||
bool add(Args&&... args);
|
||||
bool add(Args&&... args)
|
||||
{
|
||||
return map.try_emplace(std::forward<Args>(args)...).second;
|
||||
}
|
||||
bool remove(std::string_view path);
|
||||
const lv2_fs_mount_info& lookup(std::string_view path) const;
|
||||
const lv2_fs_mount_info& lookup(std::string_view path, bool no_cell_fs_path = false) const;
|
||||
u64 get_all(CellFsMountInfo* info = nullptr, u64 len = 0) const;
|
||||
|
||||
static bool vfs_unmount(std::string_view vpath);
|
||||
|
||||
private:
|
||||
struct string_hash
|
||||
{
|
||||
|
|
@ -231,7 +238,6 @@ private:
|
|||
};
|
||||
|
||||
std::unordered_map<std::string, lv2_fs_mount_info, string_hash, std::equal_to<>> map;
|
||||
lv2_fs_mount_info mount_info_no_device;
|
||||
};
|
||||
|
||||
struct lv2_fs_object
|
||||
|
|
@ -245,15 +251,11 @@ struct lv2_fs_object
|
|||
// File Name (max 1055)
|
||||
const std::array<char, 0x420> name;
|
||||
|
||||
// Mount Point
|
||||
lv2_fs_mount_point* const mp = get_mp(name.data());
|
||||
// Mount Info
|
||||
const lv2_fs_mount_info& mp;
|
||||
|
||||
protected:
|
||||
lv2_fs_object(std::string_view filename)
|
||||
: name(get_name(filename))
|
||||
{
|
||||
}
|
||||
|
||||
lv2_fs_object(std::string_view filename);
|
||||
lv2_fs_object(utils::serial& ar, bool dummy);
|
||||
|
||||
public:
|
||||
|
|
@ -261,9 +263,12 @@ public:
|
|||
|
||||
lv2_fs_object& operator=(const lv2_fs_object&) = delete;
|
||||
|
||||
static std::string_view get_device_root(std::string_view filename);
|
||||
static std::string get_device_root(std::string_view filename);
|
||||
|
||||
// Filename can be either a path starting with '/' or a CELL_FS device name
|
||||
// This should be used only when handling devices that are not mounted
|
||||
// Otherwise, use g_fxo->get<lv2_fs_mount_info_map>().lookup() to look up mounted devices accurately
|
||||
static lv2_fs_mount_point* get_mp(std::string_view filename, std::string* vfs_path = nullptr);
|
||||
static bool vfs_unmount(std::string_view vpath);
|
||||
|
||||
static std::array<char, 0x420> get_name(std::string_view filename)
|
||||
{
|
||||
|
|
@ -345,7 +350,7 @@ struct lv2_file final : lv2_fs_object
|
|||
};
|
||||
|
||||
// Open a file with wrapped logic of sys_fs_open
|
||||
static open_raw_result_t open_raw(const std::string& path, s32 flags, s32 mode, lv2_file_type type = lv2_file_type::regular, const lv2_fs_mount_point* mp = nullptr);
|
||||
static open_raw_result_t open_raw(const std::string& path, s32 flags, s32 mode, lv2_file_type type = lv2_file_type::regular, const lv2_fs_mount_info& mp = g_mi_sys_not_found);
|
||||
static open_result_t open(std::string_view vpath, s32 flags, s32 mode, const void* arg = {}, u64 size = 0);
|
||||
|
||||
// File reading with intermediate buffer
|
||||
|
|
|
|||
|
|
@ -956,7 +956,7 @@ bool vfs::host::rename(const std::string& from, const std::string& to, const lv2
|
|||
|
||||
file.restore_data.seek_pos = file.file.pos();
|
||||
|
||||
if (!(file.mp->flags & (lv2_mp_flag::read_only + lv2_mp_flag::cache)) && file.flags & CELL_FS_O_ACCMODE)
|
||||
if (!(file.mp.read_only && file.mp->flags & lv2_mp_flag::cache) && file.flags & CELL_FS_O_ACCMODE)
|
||||
{
|
||||
file.file.sync(); // For cellGameContentPermit atomicity
|
||||
}
|
||||
|
|
|
|||
Loading…
Reference in New Issue