Classic confinement for patchelf


#1

patchelf is an open source tool which we in snapcraft intend to use to support classic confinement across the board.

PatchELF is a simple utility for modifying existing ELF executables and
libraries. In particular, it can do the following,

  • Change the dynamic loader (“ELF interpreter”) of executables
  • Change the RPATH of executables and libraries
  • Shrink the RPATH of executables and libraries
  • Remove declared dependencies on dynamic libraries (DT_NEEDED
    entries)
  • Add a declared dependency on a dynamic library (DT_NEEDED)
  • Replace a declared dependency on a dynamic library with another one
    (DT_NEEDED)

To perform such actions, it needs access to the paths, such as all the library paths for performing operations.

This utility is cornerstone to solving the classic confinement problem for pre-built binaries.


#2

Thanks for the detailed description. I’ve vetted the publisher and granted use of classic confinement. This is now live.