OpenBSD::Unveil(3p) | Perl Programmers Reference Guide | OpenBSD::Unveil(3p)

# NAME

OpenBSD::Unveil - Perl interface to OpenBSD unveil(2)

# SYNOPSIS

      use OpenBSD::Unveil;
      my $file = "/usr/share/dict/words";
      unveil( $file, "r" ) || die "Unable to unveil: $!";
      unveil() || die "Unable to lock unveil: $!";
      open my $fh, '<', $file or die "Unable to open $file: $!";
      print grep { /unveil/i } readline($fh);
      close $fh;

# DESCRIPTION

This module provides a perl interface to OpenBSD's unveil(2) syscall(2).

# EXPORT

Exports "unveil" by default.

# FUNCTIONS

## unveil

Perl interface to unveil(2).

            unveil($paths, $permissions)
            unveil() # to lock

Returns true on success, returns false and sets $! on failure. Throws an exception on incorrect number of parameters.

# SEE ALSO

unveil(2)

<http://man.openbsd.org/unveil.2>

# AUTHOR

Andrew Fresh, <afresh1@OpenBSD.org>

# LICENSE AND COPYRIGHT

Copyright (C) 2019 by Andrew Fresh <afresh1@OpenBSD.org>

Permission to use, copy, modify, and distribute this software for any purpose with or without fee is hereby granted, provided that the above copyright notice and this permission notice appear in all copies.

THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.

2019-07-09 | perl v5.40.1