leviso-elf

ELF binary analysis and library dependency copying utilities. Uses readelf for cross-compilation safe dependency detection (unlike ldd which executes binaries).

Features

• Dependency Analysis: Parse readelf -d output to find shared library dependencies
• Recursive Resolution: Trace full dependency tree including transitive dependencies
• Library Copying: Copy binaries with all required libraries to a target directory
• Path Search: Find binaries and libraries in standard Linux paths

Usage

use leviso_elf::{get_all_dependencies, copy_library_to, find_binary};

// Find all library dependencies for a binary
let deps = get_all_dependencies("/usr/bin/bash", &["/lib64", "/usr/lib64"])?;

// Copy a library to target directory
copy_library_to("/lib64/libc.so.6", &target_dir)?;

// Find a binary in standard paths
let path = find_binary("bash", &source_rootfs)?;

Why readelf instead of ldd?

ldd executes the binary to resolve dependencies, which fails for cross-compiled binaries and can be a security risk. readelf -d parses the ELF headers directly without execution.

License

MIT