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[macOS export] Detect embedded helper executables using MachO header.

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This commit is contained in:
bruvzg
2024-04-09 13:19:24 +03:00
parent dd926b9132
commit bae27340c9
4 changed files with 57 additions and 20 deletions
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20
platform/macos/export/macho.cpp
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@@ -105,6 +105,26 @@ bool MachO::is_macho(const String &p_path) {
return (magic == 0xcefaedfe || magic == 0xfeedface || magic == 0xcffaedfe || magic == 0xfeedfacf);
}
uint32_t MachO::get_filetype(const String &p_path) {
Ref<FileAccess> fa = FileAccess::open(p_path, FileAccess::READ);
ERR_FAIL_COND_V_MSG(fa.is_null(), 0, vformat("MachO: Can't open file: \"%s\".", p_path));
uint32_t magic = fa->get_32();
MachHeader mach_header;
// Read MachO header.
if (magic == 0xcefaedfe || magic == 0xfeedface) {
// Thin 32-bit binary.
fa->get_buffer((uint8_t *)&mach_header, sizeof(MachHeader));
} else if (magic == 0xcffaedfe || magic == 0xfeedfacf) {
// Thin 64-bit binary.
fa->get_buffer((uint8_t *)&mach_header, sizeof(MachHeader));
fa->get_32(); // Skip extra reserved field.
} else {
ERR_FAIL_V_MSG(0, vformat("MachO: File is not a valid MachO binary: \"%s\".", p_path));
}
return mach_header.filetype;
}
bool MachO::open_file(const String &p_path) {
fa = FileAccess::open(p_path, FileAccess::READ_WRITE);
ERR_FAIL_COND_V_MSG(fa.is_null(), false, vformat("MachO: Can't open file: \"%s\".", p_path));