212 lines
7.5 KiB
C++
212 lines
7.5 KiB
C++
/*************************************************************************/
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/* export_plugin.cpp */
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/*************************************************************************/
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/* This file is part of: */
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/* GODOT ENGINE */
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/* https://godotengine.org */
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/*************************************************************************/
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/* Copyright (c) 2007-2022 Juan Linietsky, Ariel Manzur. */
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/* Copyright (c) 2014-2022 Godot Engine contributors (cf. AUTHORS.md). */
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/* */
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/* Permission is hereby granted, free of charge, to any person obtaining */
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/* a copy of this software and associated documentation files (the */
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/* "Software"), to deal in the Software without restriction, including */
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/* without limitation the rights to use, copy, modify, merge, publish, */
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/* distribute, sublicense, and/or sell copies of the Software, and to */
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/* permit persons to whom the Software is furnished to do so, subject to */
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/* the following conditions: */
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/* */
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/* The above copyright notice and this permission notice shall be */
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/* included in all copies or substantial portions of the Software. */
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/* */
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/* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, */
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/* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF */
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/* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.*/
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/* IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY */
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/* CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, */
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/* TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE */
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/* SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. */
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/*************************************************************************/
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#include "export_plugin.h"
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#include "core/config/project_settings.h"
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#include "editor/editor_node.h"
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Error EditorExportPlatformLinuxBSD::_export_debug_script(const Ref<EditorExportPreset> &p_preset, const String &p_app_name, const String &p_pkg_name, const String &p_path) {
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Ref<FileAccess> f = FileAccess::open(p_path, FileAccess::WRITE);
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if (f.is_null()) {
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add_message(EXPORT_MESSAGE_ERROR, TTR("Debug Script Export"), vformat(TTR("Could not open file \"%s\"."), p_path));
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return ERR_CANT_CREATE;
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}
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f->store_line("#!/bin/sh");
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f->store_line("echo -ne '\\033c\\033]0;" + p_app_name + "\\a'");
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f->store_line("base_path=\"$(dirname \"$(realpath \"$0\")\")\"");
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f->store_line("\"$base_path/" + p_pkg_name + "\" \"$@\"");
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return OK;
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}
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Error EditorExportPlatformLinuxBSD::export_project(const Ref<EditorExportPreset> &p_preset, bool p_debug, const String &p_path, int p_flags) {
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Error err = EditorExportPlatformPC::export_project(p_preset, p_debug, p_path, p_flags);
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if (err != OK) {
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return err;
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}
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String app_name;
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if (String(ProjectSettings::get_singleton()->get("application/config/name")) != "") {
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app_name = String(ProjectSettings::get_singleton()->get("application/config/name"));
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} else {
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app_name = "Unnamed";
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}
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app_name = OS::get_singleton()->get_safe_dir_name(app_name);
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// Save console script.
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if (err == OK) {
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int con_scr = p_preset->get("debug/export_console_script");
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if ((con_scr == 1 && p_debug) || (con_scr == 2)) {
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String scr_path = p_path.get_basename() + ".sh";
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err = _export_debug_script(p_preset, app_name, p_path.get_file(), scr_path);
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FileAccess::set_unix_permissions(scr_path, 0755);
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if (err != OK) {
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add_message(EXPORT_MESSAGE_ERROR, TTR("Debug Script Export"), TTR("Could not create console script."));
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}
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}
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}
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return err;
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}
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void EditorExportPlatformLinuxBSD::set_extension(const String &p_extension, const String &p_feature_key) {
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extensions[p_feature_key] = p_extension;
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}
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String EditorExportPlatformLinuxBSD::get_template_file_name(const String &p_target, const String &p_arch) const {
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return "linux_" + p_target + "." + p_arch;
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}
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List<String> EditorExportPlatformLinuxBSD::get_binary_extensions(const Ref<EditorExportPreset> &p_preset) const {
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List<String> list;
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for (const KeyValue<String, String> &E : extensions) {
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if (p_preset->get(E.key)) {
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list.push_back(extensions[E.key]);
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return list;
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}
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}
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if (extensions.has("default")) {
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list.push_back(extensions["default"]);
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return list;
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}
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return list;
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}
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Error EditorExportPlatformLinuxBSD::fixup_embedded_pck(const String &p_path, int64_t p_embedded_start, int64_t p_embedded_size) {
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// Patch the header of the "pck" section in the ELF file so that it corresponds to the embedded data
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Ref<FileAccess> f = FileAccess::open(p_path, FileAccess::READ_WRITE);
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if (f.is_null()) {
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add_message(EXPORT_MESSAGE_ERROR, TTR("PCK Embedding"), vformat(TTR("Failed to open executable file \"%s\"."), p_path));
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return ERR_CANT_OPEN;
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}
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// Read and check ELF magic number
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{
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uint32_t magic = f->get_32();
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if (magic != 0x464c457f) { // 0x7F + "ELF"
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add_message(EXPORT_MESSAGE_ERROR, TTR("PCK Embedding"), TTR("Executable file header corrupted."));
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return ERR_FILE_CORRUPT;
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}
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}
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// Read program architecture bits from class field
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int bits = f->get_8() * 32;
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if (bits == 32 && p_embedded_size >= 0x100000000) {
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add_message(EXPORT_MESSAGE_ERROR, TTR("PCK Embedding"), TTR("32-bit executables cannot have embedded data >= 4 GiB."));
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}
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// Get info about the section header table
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int64_t section_table_pos;
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int64_t section_header_size;
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if (bits == 32) {
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section_header_size = 40;
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f->seek(0x20);
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section_table_pos = f->get_32();
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f->seek(0x30);
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} else { // 64
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section_header_size = 64;
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f->seek(0x28);
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section_table_pos = f->get_64();
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f->seek(0x3c);
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}
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int num_sections = f->get_16();
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int string_section_idx = f->get_16();
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// Load the strings table
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uint8_t *strings;
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{
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// Jump to the strings section header
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f->seek(section_table_pos + string_section_idx * section_header_size);
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// Read strings data size and offset
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int64_t string_data_pos;
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int64_t string_data_size;
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if (bits == 32) {
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f->seek(f->get_position() + 0x10);
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string_data_pos = f->get_32();
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string_data_size = f->get_32();
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} else { // 64
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f->seek(f->get_position() + 0x18);
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string_data_pos = f->get_64();
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string_data_size = f->get_64();
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}
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// Read strings data
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f->seek(string_data_pos);
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strings = (uint8_t *)memalloc(string_data_size);
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if (!strings) {
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return ERR_OUT_OF_MEMORY;
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}
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f->get_buffer(strings, string_data_size);
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}
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// Search for the "pck" section
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bool found = false;
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for (int i = 0; i < num_sections; ++i) {
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int64_t section_header_pos = section_table_pos + i * section_header_size;
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f->seek(section_header_pos);
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uint32_t name_offset = f->get_32();
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if (strcmp((char *)strings + name_offset, "pck") == 0) {
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// "pck" section found, let's patch!
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if (bits == 32) {
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f->seek(section_header_pos + 0x10);
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f->store_32(p_embedded_start);
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f->store_32(p_embedded_size);
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} else { // 64
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f->seek(section_header_pos + 0x18);
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f->store_64(p_embedded_start);
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f->store_64(p_embedded_size);
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}
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found = true;
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break;
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}
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}
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memfree(strings);
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if (!found) {
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add_message(EXPORT_MESSAGE_ERROR, TTR("PCK Embedding"), TTR("Executable \"pck\" section not found."));
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return ERR_FILE_CORRUPT;
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}
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return OK;
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}
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