glibc ¤

Get information about the GLibc

Functions:

set_glibc_version –
get_version –
get_libc_filename_from_info_sharedlibrary –

Get the filename of the libc by parsing the output of info sharedlibrary.
dump_elf_data_section –

Dump .data section of libc ELF file
dump_relocations_by_section_name –

Dump relocations of a section by section name of libc ELF file
get_section_address_by_name –

Find section address of libc by section name
OnlyWhenGlibcLoaded –
check_safe_linking –

Safe-linking is a glibc 2.32 mitigation; see:

Attributes:

P `module-attribute` ¤

P = ParamSpec('P')

T = TypeVar('T')

safe_lnk = add_param(
    "safe-linking",
    None,
    "whether glibc uses safe-linking",
    param_class=PARAM_AUTO_BOOLEAN,
)

glibc_version = add_param(
    "glibc",
    "",
    "glibc version for heap heuristics resolution (e.g. 2.31)",
    scope=heap,
)

set_glibc_version() -> None

get_version() -> tuple[int, ...] | None

get_libc_filename_from_info_sharedlibrary() -> str | None

Get the filename of the libc by parsing the output of info sharedlibrary.

dump_elf_data_section() -> tuple[int, int, bytes] | None

Dump .data section of libc ELF file

dump_relocations_by_section_name(
    section_name: str,
) -> tuple[Relocation, ...] | None

Dump relocations of a section by section name of libc ELF file

get_section_address_by_name(section_name: str) -> int

Find section address of libc by section name

OnlyWhenGlibcLoaded(function: Callable[P, T]) -> Callable[P, T | None]

check_safe_linking() -> bool