diff options
Diffstat (limited to 'platform/linuxbsd/os_linuxbsd.cpp')
| -rw-r--r-- | platform/linuxbsd/os_linuxbsd.cpp | 109 |
1 files changed, 97 insertions, 12 deletions
diff --git a/platform/linuxbsd/os_linuxbsd.cpp b/platform/linuxbsd/os_linuxbsd.cpp index 86874687ad..b73d4dc626 100644 --- a/platform/linuxbsd/os_linuxbsd.cpp +++ b/platform/linuxbsd/os_linuxbsd.cpp @@ -131,20 +131,19 @@ void OS_LinuxBSD::initialize_joypads() { String OS_LinuxBSD::get_unique_id() const { static String machine_id; if (machine_id.is_empty()) { - if (FileAccess *f = FileAccess::open("/etc/machine-id", FileAccess::READ)) { + Ref<FileAccess> f = FileAccess::open("/etc/machine-id", FileAccess::READ); + if (f.is_valid()) { while (machine_id.is_empty() && !f->eof_reached()) { machine_id = f->get_line().strip_edges(); } - f->close(); - memdelete(f); } } return machine_id; } String OS_LinuxBSD::get_processor_name() const { - FileAccessRef f = FileAccess::open("/proc/cpuinfo", FileAccess::READ); - ERR_FAIL_COND_V_MSG(!f, "", String("Couldn't open `/proc/cpuinfo` to get the CPU model name. Returning an empty string.")); + Ref<FileAccess> f = FileAccess::open("/proc/cpuinfo", FileAccess::READ); + ERR_FAIL_COND_V_MSG(f.is_null(), "", String("Couldn't open `/proc/cpuinfo` to get the CPU model name. Returning an empty string.")); while (!f->eof_reached()) { const String line = f->get_line(); @@ -243,6 +242,91 @@ bool OS_LinuxBSD::_check_internal_feature_support(const String &p_feature) { return p_feature == "pc"; } +uint64_t OS_LinuxBSD::get_embedded_pck_offset() const { + Ref<FileAccess> f = FileAccess::open(get_executable_path(), FileAccess::READ); + if (f.is_null()) { + return 0; + } + + // Read and check ELF magic number. + { + uint32_t magic = f->get_32(); + if (magic != 0x464c457f) { // 0x7F + "ELF" + return 0; + } + } + + // Read program architecture bits from class field. + int bits = f->get_8() * 32; + + // Get info about the section header table. + int64_t section_table_pos; + int64_t section_header_size; + if (bits == 32) { + section_header_size = 40; + f->seek(0x20); + section_table_pos = f->get_32(); + f->seek(0x30); + } else { // 64 + section_header_size = 64; + f->seek(0x28); + section_table_pos = f->get_64(); + f->seek(0x3c); + } + int num_sections = f->get_16(); + int string_section_idx = f->get_16(); + + // Load the strings table. + uint8_t *strings; + { + // Jump to the strings section header. + f->seek(section_table_pos + string_section_idx * section_header_size); + + // Read strings data size and offset. + int64_t string_data_pos; + int64_t string_data_size; + if (bits == 32) { + f->seek(f->get_position() + 0x10); + string_data_pos = f->get_32(); + string_data_size = f->get_32(); + } else { // 64 + f->seek(f->get_position() + 0x18); + string_data_pos = f->get_64(); + string_data_size = f->get_64(); + } + + // Read strings data. + f->seek(string_data_pos); + strings = (uint8_t *)memalloc(string_data_size); + if (!strings) { + return 0; + } + f->get_buffer(strings, string_data_size); + } + + // Search for the "pck" section. + int64_t off = 0; + for (int i = 0; i < num_sections; ++i) { + int64_t section_header_pos = section_table_pos + i * section_header_size; + f->seek(section_header_pos); + + uint32_t name_offset = f->get_32(); + if (strcmp((char *)strings + name_offset, "pck") == 0) { + if (bits == 32) { + f->seek(section_header_pos + 0x10); + off = f->get_32(); + } else { // 64 + f->seek(section_header_pos + 0x18); + off = f->get_64(); + } + break; + } + } + memfree(strings); + + return off; +} + String OS_LinuxBSD::get_config_path() const { if (has_environment("XDG_CONFIG_HOME")) { if (get_environment("XDG_CONFIG_HOME").is_absolute_path()) { @@ -465,7 +549,7 @@ Error OS_LinuxBSD::move_to_trash(const String &p_path) { // Create needed directories for decided trash can location. { - DirAccessRef dir_access = DirAccess::create(DirAccess::ACCESS_FILESYSTEM); + Ref<DirAccess> dir_access = DirAccess::create(DirAccess::ACCESS_FILESYSTEM); Error err = dir_access->make_dir_recursive(trash_path); // Issue an error if trash can is not created properly. @@ -512,13 +596,14 @@ Error OS_LinuxBSD::move_to_trash(const String &p_path) { String trash_info = "[Trash Info]\nPath=" + path.uri_encode() + "\nDeletionDate=" + timestamp + "\n"; { Error err; - FileAccessRef file = FileAccess::open(trash_path + "/info/" + file_name + ".trashinfo", FileAccess::WRITE, &err); - ERR_FAIL_COND_V_MSG(err != OK, err, "Can't create trashinfo file: \"" + trash_path + "/info/" + file_name + ".trashinfo\""); - file->store_string(trash_info); - file->close(); + { + Ref<FileAccess> file = FileAccess::open(trash_path + "/info/" + file_name + ".trashinfo", FileAccess::WRITE, &err); + ERR_FAIL_COND_V_MSG(err != OK, err, "Can't create trashinfo file: \"" + trash_path + "/info/" + file_name + ".trashinfo\""); + file->store_string(trash_info); + } // Rename our resource before moving it to the trash can. - DirAccessRef dir_access = DirAccess::create(DirAccess::ACCESS_FILESYSTEM); + Ref<DirAccess> dir_access = DirAccess::create(DirAccess::ACCESS_FILESYSTEM); err = dir_access->rename(path, renamed_path); ERR_FAIL_COND_V_MSG(err != OK, err, "Can't rename file \"" + path + "\" to \"" + renamed_path + "\""); } @@ -535,7 +620,7 @@ Error OS_LinuxBSD::move_to_trash(const String &p_path) { // Issue an error if "mv" failed to move the given resource to the trash can. if (err != OK || retval != 0) { ERR_PRINT("move_to_trash: Could not move the resource \"" + path + "\" to the trash can \"" + trash_path + "/files\""); - DirAccessRef dir_access = DirAccess::create(DirAccess::ACCESS_FILESYSTEM); + Ref<DirAccess> dir_access = DirAccess::create(DirAccess::ACCESS_FILESYSTEM); err = dir_access->rename(renamed_path, path); ERR_FAIL_COND_V_MSG(err != OK, err, "Could not rename \"" + renamed_path + "\" back to its original name: \"" + path + "\""); return FAILED; |