/**************************************************************************/ /* os_linuxbsd.cpp */ /**************************************************************************/ /* This file is part of: */ /* GODOT ENGINE */ /* https://godotengine.org */ /**************************************************************************/ /* Copyright (c) 2014-present Godot Engine contributors (see AUTHORS.md). */ /* Copyright (c) 2007-2014 Juan Linietsky, Ariel Manzur. */ /* */ /* Permission is hereby granted, free of charge, to any person obtaining */ /* a copy of this software and associated documentation files (the */ /* "Software"), to deal in the Software without restriction, including */ /* without limitation the rights to use, copy, modify, merge, publish, */ /* distribute, sublicense, and/or sell copies of the Software, and to */ /* permit persons to whom the Software is furnished to do so, subject to */ /* the following conditions: */ /* */ /* The above copyright notice and this permission notice shall be */ /* included in all copies or substantial portions of the Software. */ /* */ /* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, */ /* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF */ /* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. */ /* IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY */ /* CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, */ /* TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE */ /* SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. */ /**************************************************************************/ #include "os_linuxbsd.h" #include "core/io/certs_compressed.gen.h" #include "core/io/dir_access.h" #include "main/main.h" #include "servers/display_server.h" #include "modules/modules_enabled.gen.h" // For regex. #ifdef MODULE_REGEX_ENABLED #include "modules/regex/regex.h" #endif #ifdef X11_ENABLED #include "x11/display_server_x11.h" #endif #ifdef HAVE_MNTENT #include #endif #include #include #include #include #include #include #include #include void OS_LinuxBSD::alert(const String &p_alert, const String &p_title) { const char *message_programs[] = { "zenity", "kdialog", "Xdialog", "xmessage" }; String path = get_environment("PATH"); Vector path_elems = path.split(":", false); String program; for (int i = 0; i < path_elems.size(); i++) { for (uint64_t k = 0; k < sizeof(message_programs) / sizeof(char *); k++) { String tested_path = path_elems[i].path_join(message_programs[k]); if (FileAccess::exists(tested_path)) { program = tested_path; break; } } if (program.length()) { break; } } List args; if (program.ends_with("zenity")) { args.push_back("--warning"); args.push_back("--width"); args.push_back("500"); args.push_back("--title"); args.push_back(p_title); args.push_back("--text"); args.push_back(p_alert); } if (program.ends_with("kdialog")) { // `--sorry` uses the same icon as `--warning` in Zenity. // As of KDialog 22.12.1, its `--warning` options are only available for yes/no questions. args.push_back("--sorry"); args.push_back(p_alert); args.push_back("--title"); args.push_back(p_title); } if (program.ends_with("Xdialog")) { args.push_back("--title"); args.push_back(p_title); args.push_back("--msgbox"); args.push_back(p_alert); args.push_back("0"); args.push_back("0"); } if (program.ends_with("xmessage")) { args.push_back("-center"); args.push_back("-title"); args.push_back(p_title); args.push_back(p_alert); } if (program.length()) { execute(program, args); } else { print_line(p_alert); } } void OS_LinuxBSD::initialize() { crash_handler.initialize(); OS_Unix::initialize_core(); system_dir_desktop_cache = get_system_dir(SYSTEM_DIR_DESKTOP); } void OS_LinuxBSD::initialize_joypads() { #ifdef JOYDEV_ENABLED joypad = memnew(JoypadLinux(Input::get_singleton())); #endif } String OS_LinuxBSD::get_unique_id() const { static String machine_id; if (machine_id.is_empty()) { Ref 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(); } } } return machine_id; } String OS_LinuxBSD::get_processor_name() const { Ref 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(); if (line.find("model name") != -1) { return line.split(":")[1].strip_edges(); } } ERR_FAIL_V_MSG("", String("Couldn't get the CPU model name from `/proc/cpuinfo`. Returning an empty string.")); } void OS_LinuxBSD::finalize() { if (main_loop) { memdelete(main_loop); } main_loop = nullptr; #ifdef ALSAMIDI_ENABLED driver_alsamidi.close(); #endif #ifdef JOYDEV_ENABLED if (joypad) { memdelete(joypad); } #endif } MainLoop *OS_LinuxBSD::get_main_loop() const { return main_loop; } void OS_LinuxBSD::delete_main_loop() { if (main_loop) { memdelete(main_loop); } main_loop = nullptr; } void OS_LinuxBSD::set_main_loop(MainLoop *p_main_loop) { main_loop = p_main_loop; } String OS_LinuxBSD::get_identifier() const { return "linuxbsd"; } String OS_LinuxBSD::get_name() const { #ifdef __linux__ return "Linux"; #elif defined(__FreeBSD__) return "FreeBSD"; #elif defined(__NetBSD__) return "NetBSD"; #elif defined(__OpenBSD__) return "OpenBSD"; #else return "BSD"; #endif } String OS_LinuxBSD::get_systemd_os_release_info_value(const String &key) const { Ref f = FileAccess::open("/etc/os-release", FileAccess::READ); if (f.is_valid()) { while (!f->eof_reached()) { const String line = f->get_line(); if (line.find(key) != -1) { String value = line.split("=")[1].strip_edges(); value = value.trim_prefix("\""); return value.trim_suffix("\""); } } } return ""; } String OS_LinuxBSD::get_distribution_name() const { static String distribution_name = get_systemd_os_release_info_value("NAME"); // returns a value for systemd users, otherwise an empty string. if (!distribution_name.is_empty()) { return distribution_name; } struct utsname uts; // returns a decent value for BSD family. uname(&uts); distribution_name = uts.sysname; return distribution_name; } String OS_LinuxBSD::get_version() const { static String release_version = get_systemd_os_release_info_value("VERSION"); // returns a value for systemd users, otherwise an empty string. if (!release_version.is_empty()) { return release_version; } struct utsname uts; // returns a decent value for BSD family. uname(&uts); release_version = uts.version; return release_version; } Vector OS_LinuxBSD::get_video_adapter_driver_info() const { if (RenderingServer::get_singleton() == nullptr) { return Vector(); } static Vector info; if (!info.is_empty()) { return info; } const String rendering_device_name = RenderingServer::get_singleton()->get_video_adapter_name(); // e.g. `NVIDIA GeForce GTX 970` const String rendering_device_vendor = RenderingServer::get_singleton()->get_video_adapter_vendor(); // e.g. `NVIDIA` const String card_name = rendering_device_name.trim_prefix(rendering_device_vendor).strip_edges(); // -> `GeForce GTX 970` String vendor_device_id_mappings; List lspci_args; lspci_args.push_back("-n"); Error err = const_cast(this)->execute("lspci", lspci_args, &vendor_device_id_mappings); if (err != OK || vendor_device_id_mappings.is_empty()) { return Vector(); } // Usually found under "VGA", but for example NVIDIA mobile/laptop adapters are often listed under "3D" and some AMD adapters are under "Display". const String dc_vga = "0300"; // VGA compatible controller const String dc_display = "0302"; // Display controller const String dc_3d = "0380"; // 3D controller // splitting results by device class allows prioritizing, if multiple devices are found. Vector class_vga_device_candidates; Vector class_display_device_candidates; Vector class_3d_device_candidates; #ifdef MODULE_REGEX_ENABLED RegEx regex_id_format = RegEx(); regex_id_format.compile("^[a-f0-9]{4}:[a-f0-9]{4}$"); // e.g. `10de:13c2`; IDs are always in hexadecimal #endif Vector value_lines = vendor_device_id_mappings.split("\n", false); // example: `02:00.0 0300: 10de:13c2 (rev a1)` for (const String &line : value_lines) { Vector columns = line.split(" ", false); if (columns.size() < 3) { continue; } String device_class = columns[1].trim_suffix(":"); String vendor_device_id_mapping = columns[2]; #ifdef MODULE_REGEX_ENABLED if (regex_id_format.search(vendor_device_id_mapping).is_null()) { continue; } #endif if (device_class == dc_vga) { class_vga_device_candidates.push_back(vendor_device_id_mapping); } else if (device_class == dc_display) { class_display_device_candidates.push_back(vendor_device_id_mapping); } else if (device_class == dc_3d) { class_3d_device_candidates.push_back(vendor_device_id_mapping); } } // Check results against currently used device (`card_name`), in case the user has multiple graphics cards. const String device_lit = "Device"; // line of interest class_vga_device_candidates = OS_LinuxBSD::lspci_device_filter(class_vga_device_candidates, dc_vga, device_lit, card_name); class_display_device_candidates = OS_LinuxBSD::lspci_device_filter(class_display_device_candidates, dc_display, device_lit, card_name); class_3d_device_candidates = OS_LinuxBSD::lspci_device_filter(class_3d_device_candidates, dc_3d, device_lit, card_name); // Get driver names and filter out invalid ones, because some adapters are dummys used only for passthrough. // And they have no indicator besides certain driver names. const String kernel_lit = "Kernel driver in use"; // line of interest const String dummys = "vfio"; // for e.g. pci passthrough dummy kernel driver `vfio-pci` Vector class_vga_device_drivers = OS_LinuxBSD::lspci_get_device_value(class_vga_device_candidates, kernel_lit, dummys); Vector class_display_device_drivers = OS_LinuxBSD::lspci_get_device_value(class_display_device_candidates, kernel_lit, dummys); Vector class_3d_device_drivers = OS_LinuxBSD::lspci_get_device_value(class_3d_device_candidates, kernel_lit, dummys); String driver_name; String driver_version; // Use first valid value: for (const String &driver : class_3d_device_drivers) { driver_name = driver; break; } if (driver_name.is_empty()) { for (const String &driver : class_display_device_drivers) { driver_name = driver; break; } } if (driver_name.is_empty()) { for (const String &driver : class_vga_device_drivers) { driver_name = driver; break; } } info.push_back(driver_name); String modinfo; List modinfo_args; modinfo_args.push_back(driver_name); err = const_cast(this)->execute("modinfo", modinfo_args, &modinfo); if (err != OK || modinfo.is_empty()) { info.push_back(""); // So that this method always either returns an empty array, or an array of length 2. return info; } Vector lines = modinfo.split("\n", false); for (const String &line : lines) { Vector columns = line.split(":", false, 1); if (columns.size() < 2) { continue; } if (columns[0].strip_edges() == "version") { driver_version = columns[1].strip_edges(); // example value: `510.85.02` on Linux/BSD break; } } info.push_back(driver_version); return info; } Vector OS_LinuxBSD::lspci_device_filter(Vector vendor_device_id_mapping, String class_suffix, String check_column, String whitelist) const { // NOTE: whitelist can be changed to `Vector`, if the need arises. const String sep = ":"; Vector devices; for (const String &mapping : vendor_device_id_mapping) { String device; List d_args; d_args.push_back("-d"); d_args.push_back(mapping + sep + class_suffix); d_args.push_back("-vmm"); Error err = const_cast(this)->execute("lspci", d_args, &device); // e.g. `lspci -d 10de:13c2:0300 -vmm` if (err != OK) { return Vector(); } else if (device.is_empty()) { continue; } Vector device_lines = device.split("\n", false); for (const String &line : device_lines) { Vector columns = line.split(":", false, 1); if (columns.size() < 2) { continue; } if (columns[0].strip_edges() == check_column) { // for `column[0] == "Device"` this may contain `GM204 [GeForce GTX 970]` bool is_valid = true; if (!whitelist.is_empty()) { is_valid = columns[1].strip_edges().contains(whitelist); } if (is_valid) { devices.push_back(mapping); } break; } } } return devices; } Vector OS_LinuxBSD::lspci_get_device_value(Vector vendor_device_id_mapping, String check_column, String blacklist) const { // NOTE: blacklist can be changed to `Vector`, if the need arises. const String sep = ":"; Vector values; for (const String &mapping : vendor_device_id_mapping) { String device; List d_args; d_args.push_back("-d"); d_args.push_back(mapping); d_args.push_back("-k"); Error err = const_cast(this)->execute("lspci", d_args, &device); // e.g. `lspci -d 10de:13c2 -k` if (err != OK) { return Vector(); } else if (device.is_empty()) { continue; } Vector device_lines = device.split("\n", false); for (const String &line : device_lines) { Vector columns = line.split(":", false, 1); if (columns.size() < 2) { continue; } if (columns[0].strip_edges() == check_column) { // for `column[0] == "Kernel driver in use"` this may contain `nvidia` bool is_valid = true; const String value = columns[1].strip_edges(); if (!blacklist.is_empty()) { is_valid = !value.contains(blacklist); } if (is_valid) { values.push_back(value); } break; } } } return values; } Error OS_LinuxBSD::shell_open(String p_uri) { Error ok; int err_code; List args; args.push_back(p_uri); // Agnostic ok = execute("xdg-open", args, nullptr, &err_code); if (ok == OK && !err_code) { return OK; } else if (err_code == 2) { return ERR_FILE_NOT_FOUND; } // GNOME args.push_front("open"); // The command is `gio open`, so we need to add it to args ok = execute("gio", args, nullptr, &err_code); if (ok == OK && !err_code) { return OK; } else if (err_code == 2) { return ERR_FILE_NOT_FOUND; } args.pop_front(); ok = execute("gvfs-open", args, nullptr, &err_code); if (ok == OK && !err_code) { return OK; } else if (err_code == 2) { return ERR_FILE_NOT_FOUND; } // KDE ok = execute("kde-open5", args, nullptr, &err_code); if (ok == OK && !err_code) { return OK; } ok = execute("kde-open", args, nullptr, &err_code); return !err_code ? ok : FAILED; } bool OS_LinuxBSD::_check_internal_feature_support(const String &p_feature) { #ifdef FONTCONFIG_ENABLED if (p_feature == "system_fonts") { return font_config_initialized; } #endif if (p_feature == "pc") { return true; } // Match against the specific OS (linux, freebsd, etc). if (p_feature == get_name().to_lower()) { return true; } return false; } uint64_t OS_LinuxBSD::get_embedded_pck_offset() const { Ref 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; } Vector OS_LinuxBSD::get_system_fonts() const { #ifdef FONTCONFIG_ENABLED if (!font_config_initialized) { ERR_FAIL_V_MSG(Vector(), "Unable to load fontconfig, system font support is disabled."); } HashSet font_names; Vector ret; static const char *allowed_formats[] = { "TrueType", "CFF" }; for (size_t i = 0; i < sizeof(allowed_formats) / sizeof(const char *); i++) { FcPattern *pattern = FcPatternCreate(); ERR_CONTINUE(!pattern); FcPatternAddBool(pattern, FC_SCALABLE, FcTrue); FcPatternAddString(pattern, FC_FONTFORMAT, reinterpret_cast(allowed_formats[i])); FcFontSet *font_set = FcFontList(config, pattern, object_set); if (font_set) { for (int j = 0; j < font_set->nfont; j++) { char *family_name = nullptr; if (FcPatternGetString(font_set->fonts[j], FC_FAMILY, 0, reinterpret_cast(&family_name)) == FcResultMatch) { if (family_name) { font_names.insert(String::utf8(family_name)); } } } FcFontSetDestroy(font_set); } FcPatternDestroy(pattern); } for (const String &E : font_names) { ret.push_back(E); } return ret; #else ERR_FAIL_V_MSG(Vector(), "Godot was compiled without fontconfig, system font support is disabled."); #endif } #ifdef FONTCONFIG_ENABLED int OS_LinuxBSD::_weight_to_fc(int p_weight) const { if (p_weight < 150) { return FC_WEIGHT_THIN; } else if (p_weight < 250) { return FC_WEIGHT_EXTRALIGHT; } else if (p_weight < 325) { return FC_WEIGHT_LIGHT; } else if (p_weight < 375) { return FC_WEIGHT_DEMILIGHT; } else if (p_weight < 390) { return FC_WEIGHT_BOOK; } else if (p_weight < 450) { return FC_WEIGHT_REGULAR; } else if (p_weight < 550) { return FC_WEIGHT_MEDIUM; } else if (p_weight < 650) { return FC_WEIGHT_DEMIBOLD; } else if (p_weight < 750) { return FC_WEIGHT_BOLD; } else if (p_weight < 850) { return FC_WEIGHT_EXTRABOLD; } else if (p_weight < 925) { return FC_WEIGHT_BLACK; } else { return FC_WEIGHT_EXTRABLACK; } } int OS_LinuxBSD::_stretch_to_fc(int p_stretch) const { if (p_stretch < 56) { return FC_WIDTH_ULTRACONDENSED; } else if (p_stretch < 69) { return FC_WIDTH_EXTRACONDENSED; } else if (p_stretch < 81) { return FC_WIDTH_CONDENSED; } else if (p_stretch < 93) { return FC_WIDTH_SEMICONDENSED; } else if (p_stretch < 106) { return FC_WIDTH_NORMAL; } else if (p_stretch < 137) { return FC_WIDTH_SEMIEXPANDED; } else if (p_stretch < 144) { return FC_WIDTH_EXPANDED; } else if (p_stretch < 162) { return FC_WIDTH_EXTRAEXPANDED; } else { return FC_WIDTH_ULTRAEXPANDED; } } #endif // FONTCONFIG_ENABLED Vector OS_LinuxBSD::get_system_font_path_for_text(const String &p_font_name, const String &p_text, const String &p_locale, const String &p_script, int p_weight, int p_stretch, bool p_italic) const { #ifdef FONTCONFIG_ENABLED if (!font_config_initialized) { ERR_FAIL_V_MSG(Vector(), "Unable to load fontconfig, system font support is disabled."); } Vector ret; static const char *allowed_formats[] = { "TrueType", "CFF" }; for (size_t i = 0; i < sizeof(allowed_formats) / sizeof(const char *); i++) { FcPattern *pattern = FcPatternCreate(); if (pattern) { FcPatternAddBool(pattern, FC_SCALABLE, FcTrue); FcPatternAddString(pattern, FC_FONTFORMAT, reinterpret_cast(allowed_formats[i])); FcPatternAddString(pattern, FC_FAMILY, reinterpret_cast(p_font_name.utf8().get_data())); FcPatternAddInteger(pattern, FC_WEIGHT, _weight_to_fc(p_weight)); FcPatternAddInteger(pattern, FC_WIDTH, _stretch_to_fc(p_stretch)); FcPatternAddInteger(pattern, FC_SLANT, p_italic ? FC_SLANT_ITALIC : FC_SLANT_ROMAN); FcCharSet *char_set = FcCharSetCreate(); for (int j = 0; j < p_text.size(); j++) { FcCharSetAddChar(char_set, p_text[j]); } FcPatternAddCharSet(pattern, FC_CHARSET, char_set); FcLangSet *lang_set = FcLangSetCreate(); FcLangSetAdd(lang_set, reinterpret_cast(p_locale.utf8().get_data())); FcPatternAddLangSet(pattern, FC_LANG, lang_set); FcConfigSubstitute(0, pattern, FcMatchPattern); FcDefaultSubstitute(pattern); FcResult result; FcPattern *match = FcFontMatch(0, pattern, &result); if (match) { char *file_name = nullptr; if (FcPatternGetString(match, FC_FILE, 0, reinterpret_cast(&file_name)) == FcResultMatch) { if (file_name) { ret.push_back(String::utf8(file_name)); } } FcPatternDestroy(match); } FcPatternDestroy(pattern); FcCharSetDestroy(char_set); FcLangSetDestroy(lang_set); } } return ret; #else ERR_FAIL_V_MSG(Vector(), "Godot was compiled without fontconfig, system font support is disabled."); #endif } String OS_LinuxBSD::get_system_font_path(const String &p_font_name, int p_weight, int p_stretch, bool p_italic) const { #ifdef FONTCONFIG_ENABLED if (!font_config_initialized) { ERR_FAIL_V_MSG(String(), "Unable to load fontconfig, system font support is disabled."); } static const char *allowed_formats[] = { "TrueType", "CFF" }; for (size_t i = 0; i < sizeof(allowed_formats) / sizeof(const char *); i++) { FcPattern *pattern = FcPatternCreate(); if (pattern) { bool allow_substitutes = (p_font_name.to_lower() == "sans-serif") || (p_font_name.to_lower() == "serif") || (p_font_name.to_lower() == "monospace") || (p_font_name.to_lower() == "cursive") || (p_font_name.to_lower() == "fantasy"); FcPatternAddBool(pattern, FC_SCALABLE, FcTrue); FcPatternAddString(pattern, FC_FONTFORMAT, reinterpret_cast(allowed_formats[i])); FcPatternAddString(pattern, FC_FAMILY, reinterpret_cast(p_font_name.utf8().get_data())); FcPatternAddInteger(pattern, FC_WEIGHT, _weight_to_fc(p_weight)); FcPatternAddInteger(pattern, FC_WIDTH, _stretch_to_fc(p_stretch)); FcPatternAddInteger(pattern, FC_SLANT, p_italic ? FC_SLANT_ITALIC : FC_SLANT_ROMAN); FcConfigSubstitute(0, pattern, FcMatchPattern); FcDefaultSubstitute(pattern); FcResult result; FcPattern *match = FcFontMatch(0, pattern, &result); if (match) { if (!allow_substitutes) { char *family_name = nullptr; if (FcPatternGetString(match, FC_FAMILY, 0, reinterpret_cast(&family_name)) == FcResultMatch) { if (family_name && String::utf8(family_name).to_lower() != p_font_name.to_lower()) { FcPatternDestroy(match); FcPatternDestroy(pattern); continue; } } } char *file_name = nullptr; if (FcPatternGetString(match, FC_FILE, 0, reinterpret_cast(&file_name)) == FcResultMatch) { if (file_name) { String ret = String::utf8(file_name); FcPatternDestroy(match); FcPatternDestroy(pattern); return ret; } } FcPatternDestroy(match); } FcPatternDestroy(pattern); } } return String(); #else ERR_FAIL_V_MSG(String(), "Godot was compiled without fontconfig, system font support is disabled."); #endif } String OS_LinuxBSD::get_config_path() const { if (has_environment("XDG_CONFIG_HOME")) { if (get_environment("XDG_CONFIG_HOME").is_absolute_path()) { return get_environment("XDG_CONFIG_HOME"); } else { WARN_PRINT_ONCE("`XDG_CONFIG_HOME` is a relative path. Ignoring its value and falling back to `$HOME/.config` or `.` per the XDG Base Directory specification."); return has_environment("HOME") ? get_environment("HOME").path_join(".config") : "."; } } else if (has_environment("HOME")) { return get_environment("HOME").path_join(".config"); } else { return "."; } } String OS_LinuxBSD::get_data_path() const { if (has_environment("XDG_DATA_HOME")) { if (get_environment("XDG_DATA_HOME").is_absolute_path()) { return get_environment("XDG_DATA_HOME"); } else { WARN_PRINT_ONCE("`XDG_DATA_HOME` is a relative path. Ignoring its value and falling back to `$HOME/.local/share` or `get_config_path()` per the XDG Base Directory specification."); return has_environment("HOME") ? get_environment("HOME").path_join(".local/share") : get_config_path(); } } else if (has_environment("HOME")) { return get_environment("HOME").path_join(".local/share"); } else { return get_config_path(); } } String OS_LinuxBSD::get_cache_path() const { if (has_environment("XDG_CACHE_HOME")) { if (get_environment("XDG_CACHE_HOME").is_absolute_path()) { return get_environment("XDG_CACHE_HOME"); } else { WARN_PRINT_ONCE("`XDG_CACHE_HOME` is a relative path. Ignoring its value and falling back to `$HOME/.cache` or `get_config_path()` per the XDG Base Directory specification."); return has_environment("HOME") ? get_environment("HOME").path_join(".cache") : get_config_path(); } } else if (has_environment("HOME")) { return get_environment("HOME").path_join(".cache"); } else { return get_config_path(); } } String OS_LinuxBSD::get_system_dir(SystemDir p_dir, bool p_shared_storage) const { if (p_dir == SYSTEM_DIR_DESKTOP && !system_dir_desktop_cache.is_empty()) { return system_dir_desktop_cache; } String xdgparam; switch (p_dir) { case SYSTEM_DIR_DESKTOP: { xdgparam = "DESKTOP"; } break; case SYSTEM_DIR_DCIM: { xdgparam = "PICTURES"; } break; case SYSTEM_DIR_DOCUMENTS: { xdgparam = "DOCUMENTS"; } break; case SYSTEM_DIR_DOWNLOADS: { xdgparam = "DOWNLOAD"; } break; case SYSTEM_DIR_MOVIES: { xdgparam = "VIDEOS"; } break; case SYSTEM_DIR_MUSIC: { xdgparam = "MUSIC"; } break; case SYSTEM_DIR_PICTURES: { xdgparam = "PICTURES"; } break; case SYSTEM_DIR_RINGTONES: { xdgparam = "MUSIC"; } break; } String pipe; List arg; arg.push_back(xdgparam); Error err = const_cast(this)->execute("xdg-user-dir", arg, &pipe); if (err != OK) { return "."; } return pipe.strip_edges(); } void OS_LinuxBSD::run() { if (!main_loop) { return; } main_loop->initialize(); //uint64_t last_ticks=get_ticks_usec(); //int frames=0; //uint64_t frame=0; while (true) { DisplayServer::get_singleton()->process_events(); // get rid of pending events #ifdef JOYDEV_ENABLED joypad->process_joypads(); #endif if (Main::iteration()) { break; } } main_loop->finalize(); } void OS_LinuxBSD::disable_crash_handler() { crash_handler.disable(); } bool OS_LinuxBSD::is_disable_crash_handler() const { return crash_handler.is_disabled(); } static String get_mountpoint(const String &p_path) { struct stat s; if (stat(p_path.utf8().get_data(), &s)) { return ""; } #ifdef HAVE_MNTENT dev_t dev = s.st_dev; FILE *fd = setmntent("/proc/mounts", "r"); if (!fd) { return ""; } struct mntent mnt; char buf[1024]; size_t buflen = 1024; while (getmntent_r(fd, &mnt, buf, buflen)) { if (!stat(mnt.mnt_dir, &s) && s.st_dev == dev) { endmntent(fd); return String(mnt.mnt_dir); } } endmntent(fd); #endif return ""; } Error OS_LinuxBSD::move_to_trash(const String &p_path) { String path = p_path.rstrip("/"); // Strip trailing slash when path points to a directory int err_code; List args; args.push_back(path); args.push_front("trash"); // The command is `gio trash ` so we need to add it to args. Error result = execute("gio", args, nullptr, &err_code); // For GNOME based machines. if (result == OK && !err_code) { return OK; } else if (err_code == 2) { return ERR_FILE_NOT_FOUND; } args.pop_front(); args.push_front("move"); args.push_back("trash:/"); // The command is `kioclient5 move trash:/`. result = execute("kioclient5", args, nullptr, &err_code); // For KDE based machines. if (result == OK && !err_code) { return OK; } else if (err_code == 2) { return ERR_FILE_NOT_FOUND; } args.pop_front(); args.pop_back(); result = execute("gvfs-trash", args, nullptr, &err_code); // For older Linux machines. if (result == OK && !err_code) { return OK; } else if (err_code == 2) { return ERR_FILE_NOT_FOUND; } // If the commands `kioclient5`, `gio` or `gvfs-trash` don't exist on the system we do it manually. String trash_path = ""; String mnt = get_mountpoint(path); // If there is a directory "[Mountpoint]/.Trash-[UID], use it as the trash can. if (!mnt.is_empty()) { String mountpoint_trash_path(mnt + "/.Trash-" + itos(getuid())); struct stat s; if (!stat(mountpoint_trash_path.utf8().get_data(), &s)) { trash_path = mountpoint_trash_path; } } // Otherwise, if ${XDG_DATA_HOME} is defined, use "${XDG_DATA_HOME}/Trash" as the trash can. if (trash_path.is_empty()) { char *dhome = getenv("XDG_DATA_HOME"); if (dhome) { trash_path = String::utf8(dhome) + "/Trash"; } } // Otherwise, if ${HOME} is defined, use "${HOME}/.local/share/Trash" as the trash can. if (trash_path.is_empty()) { char *home = getenv("HOME"); if (home) { trash_path = String::utf8(home) + "/.local/share/Trash"; } } // Issue an error if none of the previous locations is appropriate for the trash can. ERR_FAIL_COND_V_MSG(trash_path.is_empty(), FAILED, "Could not determine the trash can location"); // Create needed directories for decided trash can location. { Ref 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. ERR_FAIL_COND_V_MSG(err != OK, err, "Could not create the trash path \"" + trash_path + "\""); err = dir_access->make_dir_recursive(trash_path + "/files"); ERR_FAIL_COND_V_MSG(err != OK, err, "Could not create the trash path \"" + trash_path + "/files\""); err = dir_access->make_dir_recursive(trash_path + "/info"); ERR_FAIL_COND_V_MSG(err != OK, err, "Could not create the trash path \"" + trash_path + "/info\""); } // The trash can is successfully created, now we check that we don't exceed our file name length limit. // If the file name is too long trim it so we can add the identifying number and ".trashinfo". // Assumes that the file name length limit is 255 characters. String file_name = path.get_file(); if (file_name.length() > 240) { file_name = file_name.substr(0, file_name.length() - 15); } String dest_path = trash_path + "/files/" + file_name; struct stat buff; int id_number = 0; String fn = file_name; // Checks if a resource with the same name already exist in the trash can, // if there is, add an identifying number to our resource's name. while (stat(dest_path.utf8().get_data(), &buff) == 0) { id_number++; // Added a limit to check for identically named files already on the trash can // if there are too many it could make the editor unresponsive. ERR_FAIL_COND_V_MSG(id_number > 99, FAILED, "Too many identically named resources already in the trash can."); fn = file_name + "." + itos(id_number); dest_path = trash_path + "/files/" + fn; } file_name = fn; String renamed_path = path.get_base_dir() + "/" + file_name; // Generates the .trashinfo file OS::DateTime dt = OS::get_singleton()->get_datetime(false); String timestamp = vformat("%04d-%02d-%02dT%02d:%02d:", dt.year, (int)dt.month, dt.day, dt.hour, dt.minute); timestamp = vformat("%s%02d", timestamp, dt.second); // vformat only supports up to 6 arguments. String trash_info = "[Trash Info]\nPath=" + path.uri_encode() + "\nDeletionDate=" + timestamp + "\n"; { Error err; { Ref 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. Ref 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 + "\""); } // Move the given resource to the trash can. // Do not use DirAccess:rename() because it can't move files across multiple mountpoints. List mv_args; mv_args.push_back(renamed_path); mv_args.push_back(trash_path + "/files"); { int retval; Error err = execute("mv", mv_args, nullptr, &retval); // 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\""); Ref 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; } } return OK; } String OS_LinuxBSD::get_system_ca_certificates() { String certfile; Ref da = DirAccess::create(DirAccess::ACCESS_FILESYSTEM); // Compile time preferred certificates path. if (!String(_SYSTEM_CERTS_PATH).is_empty() && da->file_exists(_SYSTEM_CERTS_PATH)) { certfile = _SYSTEM_CERTS_PATH; } else if (da->file_exists("/etc/ssl/certs/ca-certificates.crt")) { // Debian/Ubuntu certfile = "/etc/ssl/certs/ca-certificates.crt"; } else if (da->file_exists("/etc/pki/ca-trust/extracted/pem/tls-ca-bundle.pem")) { // Fedora certfile = "/etc/pki/ca-trust/extracted/pem/tls-ca-bundle.pem"; } else if (da->file_exists("/etc/ca-certificates/extracted/tls-ca-bundle.pem")) { // Arch Linux certfile = "/etc/ca-certificates/extracted/tls-ca-bundle.pem"; } else if (da->file_exists("/var/lib/ca-certificates/ca-bundle.pem")) { // openSUSE certfile = "/var/lib/ca-certificates/ca-bundle.pem"; } else if (da->file_exists("/etc/ssl/cert.pem")) { // FreeBSD/OpenBSD certfile = "/etc/ssl/cert.pem"; } if (certfile.is_empty()) { return ""; } Ref f = FileAccess::open(certfile, FileAccess::READ); ERR_FAIL_COND_V_MSG(f.is_null(), "", vformat("Failed to open system CA certificates file: '%s'", certfile)); return f->get_as_text(); } OS_LinuxBSD::OS_LinuxBSD() { main_loop = nullptr; #ifdef PULSEAUDIO_ENABLED AudioDriverManager::add_driver(&driver_pulseaudio); #endif #ifdef ALSA_ENABLED AudioDriverManager::add_driver(&driver_alsa); #endif #ifdef X11_ENABLED DisplayServerX11::register_x11_driver(); #endif #ifdef FONTCONFIG_ENABLED #ifdef SOWRAP_ENABLED #ifdef DEBUG_ENABLED int dylibloader_verbose = 1; #else int dylibloader_verbose = 0; #endif font_config_initialized = (initialize_fontconfig(dylibloader_verbose) == 0); #else font_config_initialized = true; #endif if (font_config_initialized) { bool ver_ok = false; int version = FcGetVersion(); ver_ok = ((version / 100 / 100) == 2 && (version / 100 % 100) >= 11) || ((version / 100 / 100) > 2); // 2.11.0 print_verbose(vformat("FontConfig %d.%d.%d detected.", version / 100 / 100, version / 100 % 100, version % 100)); if (!ver_ok) { font_config_initialized = false; } } if (font_config_initialized) { config = FcInitLoadConfigAndFonts(); if (!config) { font_config_initialized = false; } object_set = FcObjectSetBuild(FC_FAMILY, FC_FILE, nullptr); if (!object_set) { font_config_initialized = false; } } #endif // FONTCONFIG_ENABLED } OS_LinuxBSD::~OS_LinuxBSD() { #ifdef FONTCONFIG_ENABLED if (object_set) { FcObjectSetDestroy(object_set); } if (config) { FcConfigDestroy(config); } #endif // FONTCONFIG_ENABLED }