tar

package
Version: v0.10.0 Latest Latest
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Published: Oct 23, 2015 License: Apache-2.0 Imports: 15 Imported by: 0

Documentation

Overview

Package tar contains helper functions for working with tar files

Index

Constants

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const DEFAULT_DIR_MODE os.FileMode = 0755

Variables

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var ErrNotSupportedPlatform = errors.New("platform and architecture is not supported")

Functions

func ExtractTar

func ExtractTar(rs io.Reader, dir string, overwrite bool, uidRange *uid.UidRange, pwl PathWhitelistMap) error

ExtractTar extracts a tarball (from a io.Reader) into the given directory if pwl is not nil, only the paths in the map are extracted. If overwrite is true, existing files will be overwritten. The extraction is executed by fork/exec()ing a new process. The new process needs the CAP_SYS_CHROOT capability.

func HdrToTimespec added in v0.4.2

func HdrToTimespec(hdr *tar.Header) []syscall.Timespec

Types

type PathWhitelistMap added in v0.2.0

type PathWhitelistMap map[string]struct{}

Map of paths that should be whitelisted. The paths should be relative to the root of the tar file and should be cleaned (for example using filepath.Clean)

Source Files

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