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/**************************************************************************/
/* export_plugin.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 "export_plugin.h"
#include "core/config/project_settings.h"
#include "editor/editor_node.h"
Error EditorExportPlatformLinuxBSD::_export_debug_script(const Ref<EditorExportPreset> &p_preset, const String &p_app_name, const String &p_pkg_name, const String &p_path) {
Ref<FileAccess> f = FileAccess::open(p_path, FileAccess::WRITE);
if (f.is_null()) {
add_message(EXPORT_MESSAGE_ERROR, TTR("Debug Script Export"), vformat(TTR("Could not open file \"%s\"."), p_path));
return ERR_CANT_CREATE;
}
f->store_line("#!/bin/sh");
f->store_line("echo -ne '\\033c\\033]0;" + p_app_name + "\\a'");
f->store_line("base_path=\"$(dirname \"$(realpath \"$0\")\")\"");
f->store_line("\"$base_path/" + p_pkg_name + "\" \"$@\"");
return OK;
}
Error EditorExportPlatformLinuxBSD::export_project(const Ref<EditorExportPreset> &p_preset, bool p_debug, const String &p_path, int p_flags) {
Error err = EditorExportPlatformPC::export_project(p_preset, p_debug, p_path, p_flags);
if (err != OK) {
return err;
}
String app_name;
if (String(GLOBAL_GET("application/config/name")) != "") {
app_name = String(GLOBAL_GET("application/config/name"));
} else {
app_name = "Unnamed";
}
app_name = OS::get_singleton()->get_safe_dir_name(app_name);
// Save console script.
if (err == OK) {
int con_scr = p_preset->get("debug/export_console_script");
if ((con_scr == 1 && p_debug) || (con_scr == 2)) {
String scr_path = p_path.get_basename() + ".sh";
err = _export_debug_script(p_preset, app_name, p_path.get_file(), scr_path);
FileAccess::set_unix_permissions(scr_path, 0755);
if (err != OK) {
add_message(EXPORT_MESSAGE_ERROR, TTR("Debug Script Export"), TTR("Could not create console script."));
}
}
}
return err;
}
String EditorExportPlatformLinuxBSD::get_template_file_name(const String &p_target, const String &p_arch) const {
return "linux_" + p_target + "." + p_arch;
}
List<String> EditorExportPlatformLinuxBSD::get_binary_extensions(const Ref<EditorExportPreset> &p_preset) const {
List<String> list;
list.push_back(p_preset->get("binary_format/architecture"));
return list;
}
void EditorExportPlatformLinuxBSD::get_export_options(List<ExportOption> *r_options) {
EditorExportPlatformPC::get_export_options(r_options);
r_options->push_back(ExportOption(PropertyInfo(Variant::STRING, "binary_format/architecture", PROPERTY_HINT_ENUM, "x86_64,x86_32,arm64,arm32,rv64,ppc64,ppc32"), "x86_64"));
}
Error EditorExportPlatformLinuxBSD::fixup_embedded_pck(const String &p_path, int64_t p_embedded_start, int64_t p_embedded_size) {
// Patch the header of the "pck" section in the ELF file so that it corresponds to the embedded data
Ref<FileAccess> f = FileAccess::open(p_path, FileAccess::READ_WRITE);
if (f.is_null()) {
add_message(EXPORT_MESSAGE_ERROR, TTR("PCK Embedding"), vformat(TTR("Failed to open executable file \"%s\"."), p_path));
return ERR_CANT_OPEN;
}
// Read and check ELF magic number
{
uint32_t magic = f->get_32();
if (magic != 0x464c457f) { // 0x7F + "ELF"
add_message(EXPORT_MESSAGE_ERROR, TTR("PCK Embedding"), TTR("Executable file header corrupted."));
return ERR_FILE_CORRUPT;
}
}
// Read program architecture bits from class field
int bits = f->get_8() * 32;
if (bits == 32 && p_embedded_size >= 0x100000000) {
add_message(EXPORT_MESSAGE_ERROR, TTR("PCK Embedding"), TTR("32-bit executables cannot have embedded data >= 4 GiB."));
}
// 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 ERR_OUT_OF_MEMORY;
}
f->get_buffer(strings, string_data_size);
}
// Search for the "pck" section
bool found = false;
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) {
// "pck" section found, let's patch!
if (bits == 32) {
f->seek(section_header_pos + 0x10);
f->store_32(p_embedded_start);
f->store_32(p_embedded_size);
} else { // 64
f->seek(section_header_pos + 0x18);
f->store_64(p_embedded_start);
f->store_64(p_embedded_size);
}
found = true;
break;
}
}
memfree(strings);
if (!found) {
add_message(EXPORT_MESSAGE_ERROR, TTR("PCK Embedding"), TTR("Executable \"pck\" section not found."));
return ERR_FILE_CORRUPT;
}
return OK;
}
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