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[Windows/Linux] Check custom export templates architecture.

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bruvzg 2024-07-21 17:12:20 +03:00
parent 803dfcc3cb
commit f72e74f395
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GPG key ID: 7960FCF39844EC38
4 changed files with 157 additions and 11 deletions
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100
platform/linuxbsd/export/export_plugin.cpp
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@ -61,6 +61,20 @@ Error EditorExportPlatformLinuxBSD::_export_debug_script(const Ref<EditorExportP
}
Error EditorExportPlatformLinuxBSD::export_project(const Ref<EditorExportPreset> &p_preset, bool p_debug, const String &p_path, int p_flags) {
String custom_debug = p_preset->get("custom_template/debug");
String custom_release = p_preset->get("custom_template/release");
String arch = p_preset->get("binary_format/architecture");
String template_path = p_debug ? custom_debug : custom_release;
template_path = template_path.strip_edges();
if (!template_path.is_empty()) {
String exe_arch = _get_exe_arch(template_path);
if (arch != exe_arch) {
add_message(EXPORT_MESSAGE_ERROR, TTR("Prepare Templates"), vformat(TTR("Mismatching custom export template executable architecture, found \"%s\", expected \"%s\"."), exe_arch, arch));
return ERR_CANT_CREATE;
}
}
bool export_as_zip = p_path.ends_with("zip");
String pkg_name;
@ -205,8 +219,76 @@ bool EditorExportPlatformLinuxBSD::is_executable(const String &p_path) const {
return is_elf(p_path) || is_shebang(p_path);
}
bool EditorExportPlatformLinuxBSD::has_valid_export_configuration(const Ref<EditorExportPreset> &p_preset, String &r_error, bool &r_missing_templates, bool p_debug) const {
String err;
bool valid = EditorExportPlatformPC::has_valid_export_configuration(p_preset, err, r_missing_templates, p_debug);
String custom_debug = p_preset->get("custom_template/debug").operator String().strip_edges();
String custom_release = p_preset->get("custom_template/release").operator String().strip_edges();
String arch = p_preset->get("binary_format/architecture");
if (!custom_debug.is_empty() && FileAccess::exists(custom_debug)) {
String exe_arch = _get_exe_arch(custom_debug);
if (arch != exe_arch) {
err += vformat(TTR("Mismatching custom debug export template executable architecture: found \"%s\", expected \"%s\"."), exe_arch, arch) + "\n";
}
}
if (!custom_release.is_empty() && FileAccess::exists(custom_release)) {
String exe_arch = _get_exe_arch(custom_release);
if (arch != exe_arch) {
err += vformat(TTR("Mismatching custom release export template executable architecture: found \"%s\", expected \"%s\"."), exe_arch, arch) + "\n";
}
}
if (!err.is_empty()) {
r_error = err;
}
return valid;
}
String EditorExportPlatformLinuxBSD::_get_exe_arch(const String &p_path) const {
Ref<FileAccess> f = FileAccess::open(p_path, FileAccess::READ);
if (f.is_null()) {
return "invalid";
}
// Read and check ELF magic number.
{
uint32_t magic = f->get_32();
if (magic != 0x464c457f) { // 0x7F + "ELF"
return "invalid";
}
}
// Process header.
int64_t header_pos = f->get_position();
f->seek(header_pos + 14);
uint16_t machine = f->get_16();
f->close();
switch (machine) {
case 0x0003:
return "x86_32";
case 0x003e:
return "x86_64";
case 0x0014:
return "ppc32";
case 0x0015:
return "ppc64";
case 0x0028:
return "arm32";
case 0x00b7:
return "arm64";
case 0x00f3:
return "rv64";
default:
return "unknown";
}
}
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
// 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()) {
@ -214,7 +296,7 @@ Error EditorExportPlatformLinuxBSD::fixup_embedded_pck(const String &p_path, int
return ERR_CANT_OPEN;
}
// Read and check ELF magic number
// Read and check ELF magic number.
{
uint32_t magic = f->get_32();
if (magic != 0x464c457f) { // 0x7F + "ELF"
@ -223,7 +305,7 @@ Error EditorExportPlatformLinuxBSD::fixup_embedded_pck(const String &p_path, int
}
}
// Read program architecture bits from class field
// Read program architecture bits from class field.
int bits = f->get_8() * 32;
@ -231,7 +313,7 @@ Error EditorExportPlatformLinuxBSD::fixup_embedded_pck(const String &p_path, int
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
// Get info about the section header table.
int64_t section_table_pos;
int64_t section_header_size;
@ -249,13 +331,13 @@ Error EditorExportPlatformLinuxBSD::fixup_embedded_pck(const String &p_path, int
int num_sections = f->get_16();
int string_section_idx = f->get_16();
// Load the strings table
// Load the strings table.
uint8_t *strings;
{
// Jump to the strings section header
// Jump to the strings section header.
f->seek(section_table_pos + string_section_idx * section_header_size);
// Read strings data size and offset
// Read strings data size and offset.
int64_t string_data_pos;
int64_t string_data_size;
if (bits == 32) {
@ -268,7 +350,7 @@ Error EditorExportPlatformLinuxBSD::fixup_embedded_pck(const String &p_path, int
string_data_size = f->get_64();
}
// Read strings data
// Read strings data.
f->seek(string_data_pos);
strings = (uint8_t *)memalloc(string_data_size);
if (!strings) {
@ -277,7 +359,7 @@ Error EditorExportPlatformLinuxBSD::fixup_embedded_pck(const String &p_path, int
f->get_buffer(strings, string_data_size);
}
// Search for the "pck" section
// Search for the "pck" section.
bool found = false;
for (int i = 0; i < num_sections; ++i) {