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A lib to distinguish a shared library from an executable. Mostly for ELF, but some rudimentary (file name extension-based) support of windows was added.

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KOLANICH-libs/isExecutable.cpp

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isExecutable.cpp Unlicensed work

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A library for checking if a file is executable.

Features

Does:

  • parses headers of
    • ELF
    • PE
    • Mach-O
  • reports
    • file class
      • ordinary
      • executable
      • shared library
      • shell script
    • whether PIC used (according to headers)
    • bitness: 32 or 64
    • access rights - whether x bit is set
  • POSIX platforms:
    • checks shebang
  • Win32
    • if a file name matches the one of shell scripts
  • provides functions to convert machine-readable reports into strings, both human-readable and machine-readable
    • JSON
    • human-readable 1 char space-separated "brief" format
    • human-readable space-separated "verbose" format
  • provides C wrappers to be used from the languages other than C++

Doesn't do:

  • doesn't parse the format fully, only some few checks on headers are done
  • big-endian machines are out of scope, everything is assummed to be little endian
  • doesn't check machine code
  • doesn't check whether content is really a shell script
  • doesn't check if we can really run that file

Installation

Packaging with CPack is implemented, you can generate an installable package for Debian and RPM-based distros. All the dependencies are assummed to be installed the same way.

Usage

See the example in bin directory.

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A lib to distinguish a shared library from an executable. Mostly for ELF, but some rudimentary (file name extension-based) support of windows was added.

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