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Kernel+LibELF: Add support for validating and loading ELF64 executables

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This commit is contained in:
Gunnar Beutner 2021-06-28 17:24:08 +02:00 • committed by Andreas Kling
parent e35b060501
commit 158355e0d7
13 changed files with 109 additions and 78 deletions
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6
Kernel/Process.h
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@ -448,7 +448,7 @@ public:
KResult exec(String path, Vector<String> arguments, Vector<String> environment, int recusion_depth = 0);
KResultOr<LoadResult> load(NonnullRefPtr<FileDescription> main_program_description, RefPtr<FileDescription> interpreter_description, const Elf32_Ehdr& main_program_header);
KResultOr<LoadResult> load(NonnullRefPtr<FileDescription> main_program_description, RefPtr<FileDescription> interpreter_description, const ElfW(Ehdr) & main_program_header);
bool is_superuser() const { return euid() == 0; }
@ -531,12 +531,12 @@ private:
bool create_perf_events_buffer_if_needed();
void delete_perf_events_buffer();
KResult do_exec(NonnullRefPtr<FileDescription> main_program_description, Vector<String> arguments, Vector<String> environment, RefPtr<FileDescription> interpreter_description, Thread*& new_main_thread, u32& prev_flags, const Elf32_Ehdr& main_program_header);
KResult do_exec(NonnullRefPtr<FileDescription> main_program_description, Vector<String> arguments, Vector<String> environment, RefPtr<FileDescription> interpreter_description, Thread*& new_main_thread, u32& prev_flags, const ElfW(Ehdr) & main_program_header);
KResultOr<size_t> do_write(FileDescription&, const UserOrKernelBuffer&, size_t);
KResultOr<int> do_statvfs(String path, statvfs* buf);
KResultOr<RefPtr<FileDescription>> find_elf_interpreter_for_executable(const String& path, const Elf32_Ehdr& elf_header, int nread, size_t file_size);
KResultOr<RefPtr<FileDescription>> find_elf_interpreter_for_executable(const String& path, const ElfW(Ehdr) & elf_header, int nread, size_t file_size);
int alloc_fd(int first_candidate_fd = 0);