1515 lines
49 KiB
Rust
1515 lines
49 KiB
Rust
extern crate filetime;
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extern crate tar;
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extern crate tempfile;
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#[cfg(all(unix, feature = "xattr"))]
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extern crate xattr;
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use std::fs::{self, File};
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use std::io::prelude::*;
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use std::io::{self, Cursor};
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use std::iter::repeat;
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use std::path::{Path, PathBuf};
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use filetime::FileTime;
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use tar::{Archive, Builder, Entries, EntryType, Header, HeaderMode};
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use tempfile::{Builder as TempBuilder, TempDir};
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macro_rules! t {
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($e:expr) => {
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match $e {
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Ok(v) => v,
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Err(e) => panic!("{} returned {}", stringify!($e), e),
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}
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};
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}
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macro_rules! tar {
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($e:expr) => {
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&include_bytes!(concat!("archives/", $e))[..]
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};
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}
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mod header;
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/// test that we can concatenate the simple.tar archive and extract the same entries twice when we
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/// use the ignore_zeros option.
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#[test]
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fn simple_concat() {
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let bytes = tar!("simple.tar");
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let mut archive_bytes = Vec::new();
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archive_bytes.extend(bytes);
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let original_names: Vec<String> = decode_names(&mut Archive::new(Cursor::new(&archive_bytes)));
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let expected: Vec<&str> = original_names.iter().map(|n| n.as_str()).collect();
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// concat two archives (with null in-between);
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archive_bytes.extend(bytes);
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// test now that when we read the archive, it stops processing at the first zero header.
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let actual = decode_names(&mut Archive::new(Cursor::new(&archive_bytes)));
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assert_eq!(expected, actual);
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// extend expected by itself.
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let expected: Vec<&str> = {
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let mut o = Vec::new();
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o.extend(&expected);
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o.extend(&expected);
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o
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};
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let mut ar = Archive::new(Cursor::new(&archive_bytes));
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ar.set_ignore_zeros(true);
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let actual = decode_names(&mut ar);
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assert_eq!(expected, actual);
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fn decode_names<R>(ar: &mut Archive<R>) -> Vec<String>
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where
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R: Read,
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{
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let mut names = Vec::new();
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for entry in t!(ar.entries()) {
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let e = t!(entry);
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names.push(t!(::std::str::from_utf8(&e.path_bytes())).to_string());
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}
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names
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}
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}
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#[test]
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fn header_impls() {
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let mut ar = Archive::new(Cursor::new(tar!("simple.tar")));
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let hn = Header::new_old();
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let hnb = hn.as_bytes();
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for file in t!(ar.entries()) {
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let file = t!(file);
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let h1 = file.header();
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let h1b = h1.as_bytes();
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let h2 = h1.clone();
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let h2b = h2.as_bytes();
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assert!(h1b[..] == h2b[..] && h2b[..] != hnb[..])
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}
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}
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#[test]
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fn header_impls_missing_last_header() {
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let mut ar = Archive::new(Cursor::new(tar!("simple_missing_last_header.tar")));
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let hn = Header::new_old();
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let hnb = hn.as_bytes();
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for file in t!(ar.entries()) {
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let file = t!(file);
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let h1 = file.header();
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let h1b = h1.as_bytes();
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let h2 = h1.clone();
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let h2b = h2.as_bytes();
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assert!(h1b[..] == h2b[..] && h2b[..] != hnb[..])
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}
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}
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#[test]
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fn reading_files() {
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let rdr = Cursor::new(tar!("reading_files.tar"));
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let mut ar = Archive::new(rdr);
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let mut entries = t!(ar.entries());
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let mut a = t!(entries.next().unwrap());
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assert_eq!(&*a.header().path_bytes(), b"a");
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let mut s = String::new();
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t!(a.read_to_string(&mut s));
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assert_eq!(s, "a\na\na\na\na\na\na\na\na\na\na\n");
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let mut b = t!(entries.next().unwrap());
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assert_eq!(&*b.header().path_bytes(), b"b");
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s.truncate(0);
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t!(b.read_to_string(&mut s));
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assert_eq!(s, "b\nb\nb\nb\nb\nb\nb\nb\nb\nb\nb\n");
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assert!(entries.next().is_none());
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}
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#[test]
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fn writing_files() {
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let mut ar = Builder::new(Vec::new());
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let td = t!(TempBuilder::new().prefix("tar-rs").tempdir());
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let path = td.path().join("test");
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t!(t!(File::create(&path)).write_all(b"test"));
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t!(ar.append_file("test2", &mut t!(File::open(&path))));
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let data = t!(ar.into_inner());
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let mut ar = Archive::new(Cursor::new(data));
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let mut entries = t!(ar.entries());
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let mut f = t!(entries.next().unwrap());
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assert_eq!(&*f.header().path_bytes(), b"test2");
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assert_eq!(f.header().size().unwrap(), 4);
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let mut s = String::new();
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t!(f.read_to_string(&mut s));
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assert_eq!(s, "test");
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assert!(entries.next().is_none());
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}
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#[test]
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fn large_filename() {
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let mut ar = Builder::new(Vec::new());
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let td = t!(TempBuilder::new().prefix("tar-rs").tempdir());
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let path = td.path().join("test");
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t!(t!(File::create(&path)).write_all(b"test"));
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let filename = repeat("abcd/").take(50).collect::<String>();
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let mut header = Header::new_ustar();
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header.set_path(&filename).unwrap();
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header.set_metadata(&t!(fs::metadata(&path)));
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header.set_cksum();
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t!(ar.append(&header, &b"test"[..]));
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let too_long = repeat("abcd").take(200).collect::<String>();
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t!(ar.append_file(&too_long, &mut t!(File::open(&path))));
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t!(ar.append_data(&mut header, &too_long, &b"test"[..]));
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let rd = Cursor::new(t!(ar.into_inner()));
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let mut ar = Archive::new(rd);
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let mut entries = t!(ar.entries());
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// The short entry added with `append`
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let mut f = entries.next().unwrap().unwrap();
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assert_eq!(&*f.header().path_bytes(), filename.as_bytes());
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assert_eq!(f.header().size().unwrap(), 4);
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let mut s = String::new();
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t!(f.read_to_string(&mut s));
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assert_eq!(s, "test");
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// The long entry added with `append_file`
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let mut f = entries.next().unwrap().unwrap();
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assert_eq!(&*f.path_bytes(), too_long.as_bytes());
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assert_eq!(f.header().size().unwrap(), 4);
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let mut s = String::new();
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t!(f.read_to_string(&mut s));
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assert_eq!(s, "test");
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// The long entry added with `append_data`
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let mut f = entries.next().unwrap().unwrap();
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assert!(f.header().path_bytes().len() < too_long.len());
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assert_eq!(&*f.path_bytes(), too_long.as_bytes());
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assert_eq!(f.header().size().unwrap(), 4);
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let mut s = String::new();
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t!(f.read_to_string(&mut s));
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assert_eq!(s, "test");
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assert!(entries.next().is_none());
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}
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fn reading_entries_common<R: Read>(mut entries: Entries<R>) {
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let mut a = t!(entries.next().unwrap());
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assert_eq!(&*a.header().path_bytes(), b"a");
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let mut s = String::new();
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t!(a.read_to_string(&mut s));
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assert_eq!(s, "a\na\na\na\na\na\na\na\na\na\na\n");
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s.truncate(0);
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t!(a.read_to_string(&mut s));
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assert_eq!(s, "");
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let mut b = t!(entries.next().unwrap());
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assert_eq!(&*b.header().path_bytes(), b"b");
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s.truncate(0);
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t!(b.read_to_string(&mut s));
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assert_eq!(s, "b\nb\nb\nb\nb\nb\nb\nb\nb\nb\nb\n");
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assert!(entries.next().is_none());
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}
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#[test]
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fn reading_entries() {
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let rdr = Cursor::new(tar!("reading_files.tar"));
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let mut ar = Archive::new(rdr);
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reading_entries_common(t!(ar.entries()));
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}
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#[test]
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fn reading_entries_with_seek() {
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let rdr = Cursor::new(tar!("reading_files.tar"));
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let mut ar = Archive::new(rdr);
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reading_entries_common(t!(ar.entries_with_seek()));
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}
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struct LoggingReader<R> {
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inner: R,
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read_bytes: u64,
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}
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impl<R> LoggingReader<R> {
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fn new(reader: R) -> LoggingReader<R> {
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LoggingReader {
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inner: reader,
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read_bytes: 0,
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}
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}
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}
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impl<T: Read> Read for LoggingReader<T> {
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fn read(&mut self, buf: &mut [u8]) -> io::Result<usize> {
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self.inner.read(buf).map(|i| {
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self.read_bytes += i as u64;
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i
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})
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}
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}
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impl<T: Seek> Seek for LoggingReader<T> {
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fn seek(&mut self, pos: io::SeekFrom) -> io::Result<u64> {
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self.inner.seek(pos)
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}
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}
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#[test]
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fn skipping_entries_with_seek() {
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let mut reader = LoggingReader::new(Cursor::new(tar!("reading_files.tar")));
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let mut ar_reader = Archive::new(&mut reader);
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let files: Vec<_> = t!(ar_reader.entries())
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.map(|entry| entry.unwrap().path().unwrap().to_path_buf())
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.collect();
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let mut seekable_reader = LoggingReader::new(Cursor::new(tar!("reading_files.tar")));
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let mut ar_seekable_reader = Archive::new(&mut seekable_reader);
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let files_seekable: Vec<_> = t!(ar_seekable_reader.entries_with_seek())
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.map(|entry| entry.unwrap().path().unwrap().to_path_buf())
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.collect();
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assert!(files == files_seekable);
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assert!(seekable_reader.read_bytes < reader.read_bytes);
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}
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fn check_dirtree(td: &TempDir) {
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let dir_a = td.path().join("a");
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let dir_b = td.path().join("a/b");
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let file_c = td.path().join("a/c");
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assert!(fs::metadata(&dir_a).map(|m| m.is_dir()).unwrap_or(false));
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assert!(fs::metadata(&dir_b).map(|m| m.is_dir()).unwrap_or(false));
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assert!(fs::metadata(&file_c).map(|m| m.is_file()).unwrap_or(false));
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}
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#[test]
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fn extracting_directories() {
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let td = t!(TempBuilder::new().prefix("tar-rs").tempdir());
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let rdr = Cursor::new(tar!("directory.tar"));
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let mut ar = Archive::new(rdr);
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t!(ar.unpack(td.path()));
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check_dirtree(&td);
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}
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#[test]
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fn extracting_duplicate_file_fail() {
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let td = t!(TempBuilder::new().prefix("tar-rs").tempdir());
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let path_present = td.path().join("a");
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t!(File::create(path_present));
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let rdr = Cursor::new(tar!("reading_files.tar"));
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let mut ar = Archive::new(rdr);
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ar.set_overwrite(false);
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if let Err(err) = ar.unpack(td.path()) {
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if err.kind() == std::io::ErrorKind::AlreadyExists {
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// as expected with overwrite false
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return;
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}
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panic!("unexpected error: {:?}", err);
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}
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panic!(
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"unpack() should have returned an error of kind {:?}, returned Ok",
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std::io::ErrorKind::AlreadyExists
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)
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}
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#[test]
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fn extracting_duplicate_file_succeed() {
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let td = t!(TempBuilder::new().prefix("tar-rs").tempdir());
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let path_present = td.path().join("a");
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t!(File::create(path_present));
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let rdr = Cursor::new(tar!("reading_files.tar"));
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let mut ar = Archive::new(rdr);
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ar.set_overwrite(true);
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t!(ar.unpack(td.path()));
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}
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#[test]
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#[cfg(unix)]
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fn extracting_duplicate_link_fail() {
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let td = t!(TempBuilder::new().prefix("tar-rs").tempdir());
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let path_present = td.path().join("lnk");
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t!(std::os::unix::fs::symlink("file", path_present));
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let rdr = Cursor::new(tar!("link.tar"));
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let mut ar = Archive::new(rdr);
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ar.set_overwrite(false);
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if let Err(err) = ar.unpack(td.path()) {
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if err.kind() == std::io::ErrorKind::AlreadyExists {
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// as expected with overwrite false
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return;
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}
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panic!("unexpected error: {:?}", err);
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}
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panic!(
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"unpack() should have returned an error of kind {:?}, returned Ok",
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std::io::ErrorKind::AlreadyExists
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)
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}
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#[test]
|
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#[cfg(unix)]
|
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fn extracting_duplicate_link_succeed() {
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let td = t!(TempBuilder::new().prefix("tar-rs").tempdir());
|
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let path_present = td.path().join("lnk");
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t!(std::os::unix::fs::symlink("file", path_present));
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let rdr = Cursor::new(tar!("link.tar"));
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let mut ar = Archive::new(rdr);
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ar.set_overwrite(true);
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t!(ar.unpack(td.path()));
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}
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#[test]
|
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#[cfg(all(unix, feature = "xattr"))]
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fn xattrs() {
|
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// If /tmp is a tmpfs, xattr will fail
|
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// The xattr crate's unit tests also use /var/tmp for this reason
|
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let td = t!(TempBuilder::new().prefix("tar-rs").tempdir_in("/var/tmp"));
|
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let rdr = Cursor::new(tar!("xattrs.tar"));
|
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let mut ar = Archive::new(rdr);
|
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ar.set_unpack_xattrs(true);
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t!(ar.unpack(td.path()));
|
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|
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let val = xattr::get(td.path().join("a/b"), "user.pax.flags").unwrap();
|
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assert_eq!(val.unwrap(), "epm".as_bytes());
|
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}
|
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|
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#[test]
|
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#[cfg(all(unix, feature = "xattr"))]
|
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fn no_xattrs() {
|
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// If /tmp is a tmpfs, xattr will fail
|
||
// The xattr crate's unit tests also use /var/tmp for this reason
|
||
let td = t!(TempBuilder::new().prefix("tar-rs").tempdir_in("/var/tmp"));
|
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let rdr = Cursor::new(tar!("xattrs.tar"));
|
||
let mut ar = Archive::new(rdr);
|
||
ar.set_unpack_xattrs(false);
|
||
t!(ar.unpack(td.path()));
|
||
|
||
assert_eq!(
|
||
xattr::get(td.path().join("a/b"), "user.pax.flags").unwrap(),
|
||
None
|
||
);
|
||
}
|
||
|
||
#[test]
|
||
fn writing_and_extracting_directories() {
|
||
let td = t!(TempBuilder::new().prefix("tar-rs").tempdir());
|
||
|
||
let mut ar = Builder::new(Vec::new());
|
||
let tmppath = td.path().join("tmpfile");
|
||
t!(t!(File::create(&tmppath)).write_all(b"c"));
|
||
t!(ar.append_dir("a", "."));
|
||
t!(ar.append_dir("a/b", "."));
|
||
t!(ar.append_file("a/c", &mut t!(File::open(&tmppath))));
|
||
t!(ar.finish());
|
||
|
||
let rdr = Cursor::new(t!(ar.into_inner()));
|
||
let mut ar = Archive::new(rdr);
|
||
t!(ar.unpack(td.path()));
|
||
check_dirtree(&td);
|
||
}
|
||
|
||
#[test]
|
||
fn writing_directories_recursively() {
|
||
let td = t!(TempBuilder::new().prefix("tar-rs").tempdir());
|
||
|
||
let base_dir = td.path().join("base");
|
||
t!(fs::create_dir(&base_dir));
|
||
t!(t!(File::create(base_dir.join("file1"))).write_all(b"file1"));
|
||
let sub_dir = base_dir.join("sub");
|
||
t!(fs::create_dir(&sub_dir));
|
||
t!(t!(File::create(sub_dir.join("file2"))).write_all(b"file2"));
|
||
|
||
let mut ar = Builder::new(Vec::new());
|
||
t!(ar.append_dir_all("foobar", base_dir));
|
||
let data = t!(ar.into_inner());
|
||
|
||
let mut ar = Archive::new(Cursor::new(data));
|
||
t!(ar.unpack(td.path()));
|
||
let base_dir = td.path().join("foobar");
|
||
assert!(fs::metadata(&base_dir).map(|m| m.is_dir()).unwrap_or(false));
|
||
let file1_path = base_dir.join("file1");
|
||
assert!(fs::metadata(&file1_path)
|
||
.map(|m| m.is_file())
|
||
.unwrap_or(false));
|
||
let sub_dir = base_dir.join("sub");
|
||
assert!(fs::metadata(&sub_dir).map(|m| m.is_dir()).unwrap_or(false));
|
||
let file2_path = sub_dir.join("file2");
|
||
assert!(fs::metadata(&file2_path)
|
||
.map(|m| m.is_file())
|
||
.unwrap_or(false));
|
||
}
|
||
|
||
#[test]
|
||
fn append_dir_all_blank_dest() {
|
||
let td = t!(TempBuilder::new().prefix("tar-rs").tempdir());
|
||
|
||
let base_dir = td.path().join("base");
|
||
t!(fs::create_dir(&base_dir));
|
||
t!(t!(File::create(base_dir.join("file1"))).write_all(b"file1"));
|
||
let sub_dir = base_dir.join("sub");
|
||
t!(fs::create_dir(&sub_dir));
|
||
t!(t!(File::create(sub_dir.join("file2"))).write_all(b"file2"));
|
||
|
||
let mut ar = Builder::new(Vec::new());
|
||
t!(ar.append_dir_all("", base_dir));
|
||
let data = t!(ar.into_inner());
|
||
|
||
let mut ar = Archive::new(Cursor::new(data));
|
||
t!(ar.unpack(td.path()));
|
||
let base_dir = td.path();
|
||
assert!(fs::metadata(&base_dir).map(|m| m.is_dir()).unwrap_or(false));
|
||
let file1_path = base_dir.join("file1");
|
||
assert!(fs::metadata(&file1_path)
|
||
.map(|m| m.is_file())
|
||
.unwrap_or(false));
|
||
let sub_dir = base_dir.join("sub");
|
||
assert!(fs::metadata(&sub_dir).map(|m| m.is_dir()).unwrap_or(false));
|
||
let file2_path = sub_dir.join("file2");
|
||
assert!(fs::metadata(&file2_path)
|
||
.map(|m| m.is_file())
|
||
.unwrap_or(false));
|
||
}
|
||
|
||
#[test]
|
||
fn append_dir_all_does_not_work_on_non_directory() {
|
||
let td = t!(TempBuilder::new().prefix("tar-rs").tempdir());
|
||
let path = td.path().join("test");
|
||
t!(t!(File::create(&path)).write_all(b"test"));
|
||
|
||
let mut ar = Builder::new(Vec::new());
|
||
let result = ar.append_dir_all("test", path);
|
||
assert!(result.is_err());
|
||
}
|
||
|
||
#[test]
|
||
fn extracting_duplicate_dirs() {
|
||
let td = t!(TempBuilder::new().prefix("tar-rs").tempdir());
|
||
let rdr = Cursor::new(tar!("duplicate_dirs.tar"));
|
||
let mut ar = Archive::new(rdr);
|
||
t!(ar.unpack(td.path()));
|
||
|
||
let some_dir = td.path().join("some_dir");
|
||
assert!(fs::metadata(&some_dir).map(|m| m.is_dir()).unwrap_or(false));
|
||
}
|
||
|
||
#[test]
|
||
fn unpack_old_style_bsd_dir() {
|
||
let td = t!(TempBuilder::new().prefix("tar-rs").tempdir());
|
||
|
||
let mut ar = Builder::new(Vec::new());
|
||
|
||
let mut header = Header::new_old();
|
||
header.set_entry_type(EntryType::Regular);
|
||
t!(header.set_path("testdir/"));
|
||
header.set_size(0);
|
||
header.set_cksum();
|
||
t!(ar.append(&header, &mut io::empty()));
|
||
|
||
// Extracting
|
||
let rdr = Cursor::new(t!(ar.into_inner()));
|
||
let mut ar = Archive::new(rdr);
|
||
t!(ar.unpack(td.path()));
|
||
|
||
// Iterating
|
||
let rdr = Cursor::new(ar.into_inner().into_inner());
|
||
let mut ar = Archive::new(rdr);
|
||
assert!(t!(ar.entries()).all(|fr| fr.is_ok()));
|
||
|
||
assert!(td.path().join("testdir").is_dir());
|
||
}
|
||
|
||
#[test]
|
||
fn handling_incorrect_file_size() {
|
||
let td = t!(TempBuilder::new().prefix("tar-rs").tempdir());
|
||
|
||
let mut ar = Builder::new(Vec::new());
|
||
|
||
let path = td.path().join("tmpfile");
|
||
t!(File::create(&path));
|
||
let mut file = t!(File::open(&path));
|
||
let mut header = Header::new_old();
|
||
t!(header.set_path("somepath"));
|
||
header.set_metadata(&t!(file.metadata()));
|
||
header.set_size(2048); // past the end of file null blocks
|
||
header.set_cksum();
|
||
t!(ar.append(&header, &mut file));
|
||
|
||
// Extracting
|
||
let rdr = Cursor::new(t!(ar.into_inner()));
|
||
let mut ar = Archive::new(rdr);
|
||
assert!(ar.unpack(td.path()).is_err());
|
||
|
||
// Iterating
|
||
let rdr = Cursor::new(ar.into_inner().into_inner());
|
||
let mut ar = Archive::new(rdr);
|
||
assert!(t!(ar.entries()).any(|fr| fr.is_err()));
|
||
}
|
||
|
||
#[test]
|
||
fn extracting_malicious_tarball() {
|
||
let td = t!(TempBuilder::new().prefix("tar-rs").tempdir());
|
||
|
||
let mut evil_tar = Vec::new();
|
||
|
||
{
|
||
let mut a = Builder::new(&mut evil_tar);
|
||
let mut append = |path: &str| {
|
||
let mut header = Header::new_gnu();
|
||
assert!(header.set_path(path).is_err(), "was ok: {:?}", path);
|
||
{
|
||
let h = header.as_gnu_mut().unwrap();
|
||
for (a, b) in h.name.iter_mut().zip(path.as_bytes()) {
|
||
*a = *b;
|
||
}
|
||
}
|
||
header.set_size(1);
|
||
header.set_cksum();
|
||
t!(a.append(&header, io::repeat(1).take(1)));
|
||
};
|
||
append("/tmp/abs_evil.txt");
|
||
// std parse `//` as UNC path, see rust-lang/rust#100833
|
||
append(
|
||
#[cfg(not(windows))]
|
||
"//tmp/abs_evil2.txt",
|
||
#[cfg(windows)]
|
||
"C://tmp/abs_evil2.txt",
|
||
);
|
||
append("///tmp/abs_evil3.txt");
|
||
append("/./tmp/abs_evil4.txt");
|
||
append(
|
||
#[cfg(not(windows))]
|
||
"//./tmp/abs_evil5.txt",
|
||
#[cfg(windows)]
|
||
"C://./tmp/abs_evil5.txt",
|
||
);
|
||
append("///./tmp/abs_evil6.txt");
|
||
append("/../tmp/rel_evil.txt");
|
||
append("../rel_evil2.txt");
|
||
append("./../rel_evil3.txt");
|
||
append("some/../../rel_evil4.txt");
|
||
append("");
|
||
append("././//./..");
|
||
append("..");
|
||
append("/////////..");
|
||
append("/////////");
|
||
}
|
||
|
||
let mut ar = Archive::new(&evil_tar[..]);
|
||
t!(ar.unpack(td.path()));
|
||
|
||
assert!(fs::metadata("/tmp/abs_evil.txt").is_err());
|
||
assert!(fs::metadata("/tmp/abs_evil.txt2").is_err());
|
||
assert!(fs::metadata("/tmp/abs_evil.txt3").is_err());
|
||
assert!(fs::metadata("/tmp/abs_evil.txt4").is_err());
|
||
assert!(fs::metadata("/tmp/abs_evil.txt5").is_err());
|
||
assert!(fs::metadata("/tmp/abs_evil.txt6").is_err());
|
||
assert!(fs::metadata("/tmp/rel_evil.txt").is_err());
|
||
assert!(fs::metadata("/tmp/rel_evil.txt").is_err());
|
||
assert!(fs::metadata(td.path().join("../tmp/rel_evil.txt")).is_err());
|
||
assert!(fs::metadata(td.path().join("../rel_evil2.txt")).is_err());
|
||
assert!(fs::metadata(td.path().join("../rel_evil3.txt")).is_err());
|
||
assert!(fs::metadata(td.path().join("../rel_evil4.txt")).is_err());
|
||
|
||
// The `some` subdirectory should not be created because the only
|
||
// filename that references this has '..'.
|
||
assert!(fs::metadata(td.path().join("some")).is_err());
|
||
|
||
// The `tmp` subdirectory should be created and within this
|
||
// subdirectory, there should be files named `abs_evil.txt` through
|
||
// `abs_evil6.txt`.
|
||
assert!(fs::metadata(td.path().join("tmp"))
|
||
.map(|m| m.is_dir())
|
||
.unwrap_or(false));
|
||
assert!(fs::metadata(td.path().join("tmp/abs_evil.txt"))
|
||
.map(|m| m.is_file())
|
||
.unwrap_or(false));
|
||
assert!(fs::metadata(td.path().join("tmp/abs_evil2.txt"))
|
||
.map(|m| m.is_file())
|
||
.unwrap_or(false));
|
||
assert!(fs::metadata(td.path().join("tmp/abs_evil3.txt"))
|
||
.map(|m| m.is_file())
|
||
.unwrap_or(false));
|
||
assert!(fs::metadata(td.path().join("tmp/abs_evil4.txt"))
|
||
.map(|m| m.is_file())
|
||
.unwrap_or(false));
|
||
assert!(fs::metadata(td.path().join("tmp/abs_evil5.txt"))
|
||
.map(|m| m.is_file())
|
||
.unwrap_or(false));
|
||
assert!(fs::metadata(td.path().join("tmp/abs_evil6.txt"))
|
||
.map(|m| m.is_file())
|
||
.unwrap_or(false));
|
||
}
|
||
|
||
#[test]
|
||
fn octal_spaces() {
|
||
let rdr = Cursor::new(tar!("spaces.tar"));
|
||
let mut ar = Archive::new(rdr);
|
||
|
||
let entry = ar.entries().unwrap().next().unwrap().unwrap();
|
||
assert_eq!(entry.header().mode().unwrap() & 0o777, 0o777);
|
||
assert_eq!(entry.header().uid().unwrap(), 0);
|
||
assert_eq!(entry.header().gid().unwrap(), 0);
|
||
assert_eq!(entry.header().size().unwrap(), 2);
|
||
assert_eq!(entry.header().mtime().unwrap(), 0o12440016664);
|
||
assert_eq!(entry.header().cksum().unwrap(), 0o4253);
|
||
}
|
||
|
||
#[test]
|
||
fn extracting_malformed_tar_null_blocks() {
|
||
let td = t!(TempBuilder::new().prefix("tar-rs").tempdir());
|
||
|
||
let mut ar = Builder::new(Vec::new());
|
||
|
||
let path1 = td.path().join("tmpfile1");
|
||
let path2 = td.path().join("tmpfile2");
|
||
t!(File::create(&path1));
|
||
t!(File::create(&path2));
|
||
t!(ar.append_file("tmpfile1", &mut t!(File::open(&path1))));
|
||
let mut data = t!(ar.into_inner());
|
||
let amt = data.len();
|
||
data.truncate(amt - 512);
|
||
let mut ar = Builder::new(data);
|
||
t!(ar.append_file("tmpfile2", &mut t!(File::open(&path2))));
|
||
t!(ar.finish());
|
||
|
||
let data = t!(ar.into_inner());
|
||
let mut ar = Archive::new(&data[..]);
|
||
assert!(ar.unpack(td.path()).is_ok());
|
||
}
|
||
|
||
#[test]
|
||
fn empty_filename() {
|
||
let td = t!(TempBuilder::new().prefix("tar-rs").tempdir());
|
||
let rdr = Cursor::new(tar!("empty_filename.tar"));
|
||
let mut ar = Archive::new(rdr);
|
||
assert!(ar.unpack(td.path()).is_ok());
|
||
}
|
||
|
||
#[test]
|
||
fn file_times() {
|
||
let td = t!(TempBuilder::new().prefix("tar-rs").tempdir());
|
||
let rdr = Cursor::new(tar!("file_times.tar"));
|
||
let mut ar = Archive::new(rdr);
|
||
t!(ar.unpack(td.path()));
|
||
|
||
let meta = fs::metadata(td.path().join("a")).unwrap();
|
||
let mtime = FileTime::from_last_modification_time(&meta);
|
||
let atime = FileTime::from_last_access_time(&meta);
|
||
assert_eq!(mtime.unix_seconds(), 1000000000);
|
||
assert_eq!(mtime.nanoseconds(), 0);
|
||
assert_eq!(atime.unix_seconds(), 1000000000);
|
||
assert_eq!(atime.nanoseconds(), 0);
|
||
}
|
||
|
||
#[test]
|
||
fn zero_file_times() {
|
||
let td = t!(TempBuilder::new().prefix("tar-rs").tempdir());
|
||
|
||
let mut ar = Builder::new(Vec::new());
|
||
ar.mode(HeaderMode::Deterministic);
|
||
let path = td.path().join("tmpfile");
|
||
t!(File::create(&path));
|
||
t!(ar.append_path_with_name(&path, "a"));
|
||
|
||
let data = t!(ar.into_inner());
|
||
let mut ar = Archive::new(&data[..]);
|
||
assert!(ar.unpack(td.path()).is_ok());
|
||
|
||
let meta = fs::metadata(td.path().join("a")).unwrap();
|
||
let mtime = FileTime::from_last_modification_time(&meta);
|
||
let atime = FileTime::from_last_access_time(&meta);
|
||
assert!(mtime.unix_seconds() != 0);
|
||
assert!(atime.unix_seconds() != 0);
|
||
}
|
||
|
||
#[test]
|
||
fn backslash_treated_well() {
|
||
// Insert a file into an archive with a backslash
|
||
let td = t!(TempBuilder::new().prefix("tar-rs").tempdir());
|
||
let mut ar = Builder::new(Vec::<u8>::new());
|
||
t!(ar.append_dir("foo\\bar", td.path()));
|
||
let mut ar = Archive::new(Cursor::new(t!(ar.into_inner())));
|
||
let f = t!(t!(ar.entries()).next().unwrap());
|
||
if cfg!(unix) {
|
||
assert_eq!(t!(f.header().path()).to_str(), Some("foo\\bar"));
|
||
} else {
|
||
assert_eq!(t!(f.header().path()).to_str(), Some("foo/bar"));
|
||
}
|
||
|
||
// Unpack an archive with a backslash in the name
|
||
let mut ar = Builder::new(Vec::<u8>::new());
|
||
let mut header = Header::new_gnu();
|
||
header.set_metadata(&t!(fs::metadata(td.path())));
|
||
header.set_size(0);
|
||
for (a, b) in header.as_old_mut().name.iter_mut().zip(b"foo\\bar\x00") {
|
||
*a = *b;
|
||
}
|
||
header.set_cksum();
|
||
t!(ar.append(&header, &mut io::empty()));
|
||
let data = t!(ar.into_inner());
|
||
let mut ar = Archive::new(&data[..]);
|
||
let f = t!(t!(ar.entries()).next().unwrap());
|
||
assert_eq!(t!(f.header().path()).to_str(), Some("foo\\bar"));
|
||
|
||
let mut ar = Archive::new(&data[..]);
|
||
t!(ar.unpack(td.path()));
|
||
assert!(fs::metadata(td.path().join("foo\\bar")).is_ok());
|
||
}
|
||
|
||
#[test]
|
||
#[cfg(unix)]
|
||
fn set_mask() {
|
||
use ::std::os::unix::fs::PermissionsExt;
|
||
let mut ar = tar::Builder::new(Vec::new());
|
||
|
||
let mut header = tar::Header::new_gnu();
|
||
header.set_size(0);
|
||
header.set_entry_type(tar::EntryType::Regular);
|
||
t!(header.set_path("foo"));
|
||
header.set_mode(0o777);
|
||
header.set_cksum();
|
||
t!(ar.append(&header, &[][..]));
|
||
|
||
let mut header = tar::Header::new_gnu();
|
||
header.set_size(0);
|
||
header.set_entry_type(tar::EntryType::Regular);
|
||
t!(header.set_path("bar"));
|
||
header.set_mode(0o421);
|
||
header.set_cksum();
|
||
t!(ar.append(&header, &[][..]));
|
||
|
||
let td = t!(TempBuilder::new().prefix("tar-rs").tempdir());
|
||
let bytes = t!(ar.into_inner());
|
||
let mut ar = tar::Archive::new(&bytes[..]);
|
||
ar.set_mask(0o211);
|
||
t!(ar.unpack(td.path()));
|
||
|
||
let md = t!(fs::metadata(td.path().join("foo")));
|
||
assert_eq!(md.permissions().mode(), 0o100566);
|
||
let md = t!(fs::metadata(td.path().join("bar")));
|
||
assert_eq!(md.permissions().mode(), 0o100420);
|
||
}
|
||
|
||
#[cfg(unix)]
|
||
#[test]
|
||
fn nul_bytes_in_path() {
|
||
use std::ffi::OsStr;
|
||
use std::os::unix::prelude::*;
|
||
|
||
let nul_path = OsStr::from_bytes(b"foo\0");
|
||
let td = t!(TempBuilder::new().prefix("tar-rs").tempdir());
|
||
let mut ar = Builder::new(Vec::<u8>::new());
|
||
let err = ar.append_dir(nul_path, td.path()).unwrap_err();
|
||
assert!(err.to_string().contains("contains a nul byte"));
|
||
}
|
||
|
||
#[test]
|
||
fn links() {
|
||
let mut ar = Archive::new(Cursor::new(tar!("link.tar")));
|
||
let mut entries = t!(ar.entries());
|
||
let link = t!(entries.next().unwrap());
|
||
assert_eq!(
|
||
t!(link.header().link_name()).as_ref().map(|p| &**p),
|
||
Some(Path::new("file"))
|
||
);
|
||
let other = t!(entries.next().unwrap());
|
||
assert!(t!(other.header().link_name()).is_none());
|
||
}
|
||
|
||
#[test]
|
||
#[cfg(unix)] // making symlinks on windows is hard
|
||
fn unpack_links() {
|
||
let td = t!(TempBuilder::new().prefix("tar-rs").tempdir());
|
||
let mut ar = Archive::new(Cursor::new(tar!("link.tar")));
|
||
t!(ar.unpack(td.path()));
|
||
|
||
let md = t!(fs::symlink_metadata(td.path().join("lnk")));
|
||
assert!(md.file_type().is_symlink());
|
||
|
||
let mtime = FileTime::from_last_modification_time(&md);
|
||
assert_eq!(mtime.unix_seconds(), 1448291033);
|
||
|
||
assert_eq!(
|
||
&*t!(fs::read_link(td.path().join("lnk"))),
|
||
Path::new("file")
|
||
);
|
||
t!(File::open(td.path().join("lnk")));
|
||
}
|
||
|
||
#[test]
|
||
fn pax_size() {
|
||
let mut ar = Archive::new(tar!("pax_size.tar"));
|
||
let mut entries = t!(ar.entries());
|
||
let mut entry = t!(entries.next().unwrap());
|
||
let mut attributes = t!(entry.pax_extensions()).unwrap();
|
||
|
||
let _first = t!(attributes.next().unwrap());
|
||
let _second = t!(attributes.next().unwrap());
|
||
let _third = t!(attributes.next().unwrap());
|
||
let fourth = t!(attributes.next().unwrap());
|
||
assert!(attributes.next().is_none());
|
||
|
||
assert_eq!(fourth.key(), Ok("size"));
|
||
assert_eq!(fourth.value(), Ok("4"));
|
||
|
||
assert_eq!(entry.header().size().unwrap(), 0);
|
||
assert_eq!(entry.size(), 4);
|
||
}
|
||
|
||
#[test]
|
||
fn pax_simple() {
|
||
let mut ar = Archive::new(tar!("pax.tar"));
|
||
let mut entries = t!(ar.entries());
|
||
|
||
let mut first = t!(entries.next().unwrap());
|
||
let mut attributes = t!(first.pax_extensions()).unwrap();
|
||
let first = t!(attributes.next().unwrap());
|
||
let second = t!(attributes.next().unwrap());
|
||
let third = t!(attributes.next().unwrap());
|
||
assert!(attributes.next().is_none());
|
||
|
||
assert_eq!(first.key(), Ok("mtime"));
|
||
assert_eq!(first.value(), Ok("1453146164.953123768"));
|
||
assert_eq!(second.key(), Ok("atime"));
|
||
assert_eq!(second.value(), Ok("1453251915.24892486"));
|
||
assert_eq!(third.key(), Ok("ctime"));
|
||
assert_eq!(third.value(), Ok("1453146164.953123768"));
|
||
}
|
||
|
||
#[test]
|
||
fn pax_path() {
|
||
let mut ar = Archive::new(tar!("pax2.tar"));
|
||
let mut entries = t!(ar.entries());
|
||
|
||
let first = t!(entries.next().unwrap());
|
||
assert!(first.path().unwrap().ends_with("aaaaaaaaaaaaaaa"));
|
||
}
|
||
|
||
#[test]
|
||
fn pax_linkpath() {
|
||
let mut ar = Archive::new(tar!("pax2.tar"));
|
||
let mut links = t!(ar.entries()).skip(3).take(2);
|
||
|
||
let long_symlink = t!(links.next().unwrap());
|
||
let link_name = long_symlink.link_name().unwrap().unwrap();
|
||
assert!(link_name.to_str().unwrap().len() > 99);
|
||
assert!(link_name.ends_with("bbbbbbbbbbbbbbb"));
|
||
|
||
let long_hardlink = t!(links.next().unwrap());
|
||
let link_name = long_hardlink.link_name().unwrap().unwrap();
|
||
assert!(link_name.to_str().unwrap().len() > 99);
|
||
assert!(link_name.ends_with("ccccccccccccccc"));
|
||
}
|
||
|
||
#[test]
|
||
fn long_name_trailing_nul() {
|
||
let mut b = Builder::new(Vec::<u8>::new());
|
||
|
||
let mut h = Header::new_gnu();
|
||
t!(h.set_path("././@LongLink"));
|
||
h.set_size(4);
|
||
h.set_entry_type(EntryType::new(b'L'));
|
||
h.set_cksum();
|
||
t!(b.append(&h, "foo\0".as_bytes()));
|
||
let mut h = Header::new_gnu();
|
||
|
||
t!(h.set_path("bar"));
|
||
h.set_size(6);
|
||
h.set_entry_type(EntryType::file());
|
||
h.set_cksum();
|
||
t!(b.append(&h, "foobar".as_bytes()));
|
||
|
||
let contents = t!(b.into_inner());
|
||
let mut a = Archive::new(&contents[..]);
|
||
|
||
let e = t!(t!(a.entries()).next().unwrap());
|
||
assert_eq!(&*e.path_bytes(), b"foo");
|
||
}
|
||
|
||
#[test]
|
||
fn long_linkname_trailing_nul() {
|
||
let mut b = Builder::new(Vec::<u8>::new());
|
||
|
||
let mut h = Header::new_gnu();
|
||
t!(h.set_path("././@LongLink"));
|
||
h.set_size(4);
|
||
h.set_entry_type(EntryType::new(b'K'));
|
||
h.set_cksum();
|
||
t!(b.append(&h, "foo\0".as_bytes()));
|
||
let mut h = Header::new_gnu();
|
||
|
||
t!(h.set_path("bar"));
|
||
h.set_size(6);
|
||
h.set_entry_type(EntryType::file());
|
||
h.set_cksum();
|
||
t!(b.append(&h, "foobar".as_bytes()));
|
||
|
||
let contents = t!(b.into_inner());
|
||
let mut a = Archive::new(&contents[..]);
|
||
|
||
let e = t!(t!(a.entries()).next().unwrap());
|
||
assert_eq!(&*e.link_name_bytes().unwrap(), b"foo");
|
||
}
|
||
|
||
#[test]
|
||
fn long_linkname_gnu() {
|
||
for t in [tar::EntryType::Symlink, tar::EntryType::Link] {
|
||
let mut b = Builder::new(Vec::<u8>::new());
|
||
let mut h = Header::new_gnu();
|
||
h.set_entry_type(t);
|
||
h.set_size(0);
|
||
let path = "usr/lib/.build-id/05/159ed904e45ff5100f7acd3d3b99fa7e27e34f";
|
||
let target = "../../../../usr/lib64/qt5/plugins/wayland-graphics-integration-server/libqt-wayland-compositor-xcomposite-egl.so";
|
||
t!(b.append_link(&mut h, path, target));
|
||
|
||
let contents = t!(b.into_inner());
|
||
let mut a = Archive::new(&contents[..]);
|
||
|
||
let e = &t!(t!(a.entries()).next().unwrap());
|
||
assert_eq!(e.header().entry_type(), t);
|
||
assert_eq!(e.path().unwrap().to_str().unwrap(), path);
|
||
assert_eq!(e.link_name().unwrap().unwrap().to_str().unwrap(), target);
|
||
}
|
||
}
|
||
|
||
#[test]
|
||
fn linkname_literal() {
|
||
for t in [tar::EntryType::Symlink, tar::EntryType::Link] {
|
||
let mut b = Builder::new(Vec::<u8>::new());
|
||
let mut h = Header::new_gnu();
|
||
h.set_entry_type(t);
|
||
h.set_size(0);
|
||
let path = "usr/lib/systemd/systemd-sysv-install";
|
||
let target = "../../..//sbin/chkconfig";
|
||
h.set_link_name_literal(target).unwrap();
|
||
t!(b.append_data(&mut h, path, std::io::empty()));
|
||
|
||
let contents = t!(b.into_inner());
|
||
let mut a = Archive::new(&contents[..]);
|
||
|
||
let e = &t!(t!(a.entries()).next().unwrap());
|
||
assert_eq!(e.header().entry_type(), t);
|
||
assert_eq!(e.path().unwrap().to_str().unwrap(), path);
|
||
assert_eq!(e.link_name().unwrap().unwrap().to_str().unwrap(), target);
|
||
}
|
||
}
|
||
|
||
#[test]
|
||
fn encoded_long_name_has_trailing_nul() {
|
||
let td = t!(TempBuilder::new().prefix("tar-rs").tempdir());
|
||
let path = td.path().join("foo");
|
||
t!(t!(File::create(&path)).write_all(b"test"));
|
||
|
||
let mut b = Builder::new(Vec::<u8>::new());
|
||
let long = repeat("abcd").take(200).collect::<String>();
|
||
|
||
t!(b.append_file(&long, &mut t!(File::open(&path))));
|
||
|
||
let contents = t!(b.into_inner());
|
||
let mut a = Archive::new(&contents[..]);
|
||
|
||
let mut e = t!(t!(a.entries()).raw(true).next().unwrap());
|
||
let mut name = Vec::new();
|
||
t!(e.read_to_end(&mut name));
|
||
assert_eq!(name[name.len() - 1], 0);
|
||
|
||
let header_name = &e.header().as_gnu().unwrap().name;
|
||
assert!(header_name.starts_with(b"././@LongLink\x00"));
|
||
}
|
||
|
||
#[test]
|
||
fn reading_sparse() {
|
||
let rdr = Cursor::new(tar!("sparse.tar"));
|
||
let mut ar = Archive::new(rdr);
|
||
let mut entries = t!(ar.entries());
|
||
|
||
let mut a = t!(entries.next().unwrap());
|
||
let mut s = String::new();
|
||
assert_eq!(&*a.header().path_bytes(), b"sparse_begin.txt");
|
||
t!(a.read_to_string(&mut s));
|
||
assert_eq!(&s[..5], "test\n");
|
||
assert!(s[5..].chars().all(|x| x == '\u{0}'));
|
||
|
||
let mut a = t!(entries.next().unwrap());
|
||
let mut s = String::new();
|
||
assert_eq!(&*a.header().path_bytes(), b"sparse_end.txt");
|
||
t!(a.read_to_string(&mut s));
|
||
assert!(s[..s.len() - 9].chars().all(|x| x == '\u{0}'));
|
||
assert_eq!(&s[s.len() - 9..], "test_end\n");
|
||
|
||
let mut a = t!(entries.next().unwrap());
|
||
let mut s = String::new();
|
||
assert_eq!(&*a.header().path_bytes(), b"sparse_ext.txt");
|
||
t!(a.read_to_string(&mut s));
|
||
assert!(s[..0x1000].chars().all(|x| x == '\u{0}'));
|
||
assert_eq!(&s[0x1000..0x1000 + 5], "text\n");
|
||
assert!(s[0x1000 + 5..0x3000].chars().all(|x| x == '\u{0}'));
|
||
assert_eq!(&s[0x3000..0x3000 + 5], "text\n");
|
||
assert!(s[0x3000 + 5..0x5000].chars().all(|x| x == '\u{0}'));
|
||
assert_eq!(&s[0x5000..0x5000 + 5], "text\n");
|
||
assert!(s[0x5000 + 5..0x7000].chars().all(|x| x == '\u{0}'));
|
||
assert_eq!(&s[0x7000..0x7000 + 5], "text\n");
|
||
assert!(s[0x7000 + 5..0x9000].chars().all(|x| x == '\u{0}'));
|
||
assert_eq!(&s[0x9000..0x9000 + 5], "text\n");
|
||
assert!(s[0x9000 + 5..0xb000].chars().all(|x| x == '\u{0}'));
|
||
assert_eq!(&s[0xb000..0xb000 + 5], "text\n");
|
||
|
||
let mut a = t!(entries.next().unwrap());
|
||
let mut s = String::new();
|
||
assert_eq!(&*a.header().path_bytes(), b"sparse.txt");
|
||
t!(a.read_to_string(&mut s));
|
||
assert!(s[..0x1000].chars().all(|x| x == '\u{0}'));
|
||
assert_eq!(&s[0x1000..0x1000 + 6], "hello\n");
|
||
assert!(s[0x1000 + 6..0x2fa0].chars().all(|x| x == '\u{0}'));
|
||
assert_eq!(&s[0x2fa0..0x2fa0 + 6], "world\n");
|
||
assert!(s[0x2fa0 + 6..0x4000].chars().all(|x| x == '\u{0}'));
|
||
|
||
assert!(entries.next().is_none());
|
||
}
|
||
|
||
#[test]
|
||
fn extract_sparse() {
|
||
let rdr = Cursor::new(tar!("sparse.tar"));
|
||
let mut ar = Archive::new(rdr);
|
||
let td = t!(TempBuilder::new().prefix("tar-rs").tempdir());
|
||
t!(ar.unpack(td.path()));
|
||
|
||
let mut s = String::new();
|
||
t!(t!(File::open(td.path().join("sparse_begin.txt"))).read_to_string(&mut s));
|
||
assert_eq!(&s[..5], "test\n");
|
||
assert!(s[5..].chars().all(|x| x == '\u{0}'));
|
||
|
||
s.truncate(0);
|
||
t!(t!(File::open(td.path().join("sparse_end.txt"))).read_to_string(&mut s));
|
||
assert!(s[..s.len() - 9].chars().all(|x| x == '\u{0}'));
|
||
assert_eq!(&s[s.len() - 9..], "test_end\n");
|
||
|
||
s.truncate(0);
|
||
t!(t!(File::open(td.path().join("sparse_ext.txt"))).read_to_string(&mut s));
|
||
assert!(s[..0x1000].chars().all(|x| x == '\u{0}'));
|
||
assert_eq!(&s[0x1000..0x1000 + 5], "text\n");
|
||
assert!(s[0x1000 + 5..0x3000].chars().all(|x| x == '\u{0}'));
|
||
assert_eq!(&s[0x3000..0x3000 + 5], "text\n");
|
||
assert!(s[0x3000 + 5..0x5000].chars().all(|x| x == '\u{0}'));
|
||
assert_eq!(&s[0x5000..0x5000 + 5], "text\n");
|
||
assert!(s[0x5000 + 5..0x7000].chars().all(|x| x == '\u{0}'));
|
||
assert_eq!(&s[0x7000..0x7000 + 5], "text\n");
|
||
assert!(s[0x7000 + 5..0x9000].chars().all(|x| x == '\u{0}'));
|
||
assert_eq!(&s[0x9000..0x9000 + 5], "text\n");
|
||
assert!(s[0x9000 + 5..0xb000].chars().all(|x| x == '\u{0}'));
|
||
assert_eq!(&s[0xb000..0xb000 + 5], "text\n");
|
||
|
||
s.truncate(0);
|
||
t!(t!(File::open(td.path().join("sparse.txt"))).read_to_string(&mut s));
|
||
assert!(s[..0x1000].chars().all(|x| x == '\u{0}'));
|
||
assert_eq!(&s[0x1000..0x1000 + 6], "hello\n");
|
||
assert!(s[0x1000 + 6..0x2fa0].chars().all(|x| x == '\u{0}'));
|
||
assert_eq!(&s[0x2fa0..0x2fa0 + 6], "world\n");
|
||
assert!(s[0x2fa0 + 6..0x4000].chars().all(|x| x == '\u{0}'));
|
||
}
|
||
|
||
#[test]
|
||
fn sparse_with_trailing() {
|
||
let rdr = Cursor::new(tar!("sparse-1.tar"));
|
||
let mut ar = Archive::new(rdr);
|
||
let mut entries = t!(ar.entries());
|
||
let mut a = t!(entries.next().unwrap());
|
||
let mut s = String::new();
|
||
t!(a.read_to_string(&mut s));
|
||
assert_eq!(0x100_00c, s.len());
|
||
assert_eq!(&s[..0xc], "0MB through\n");
|
||
assert!(s[0xc..0x100_000].chars().all(|x| x == '\u{0}'));
|
||
assert_eq!(&s[0x100_000..], "1MB through\n");
|
||
}
|
||
|
||
#[test]
|
||
fn path_separators() {
|
||
let mut ar = Builder::new(Vec::new());
|
||
let td = t!(TempBuilder::new().prefix("tar-rs").tempdir());
|
||
|
||
let path = td.path().join("test");
|
||
t!(t!(File::create(&path)).write_all(b"test"));
|
||
|
||
let short_path: PathBuf = repeat("abcd").take(2).collect();
|
||
let long_path: PathBuf = repeat("abcd").take(50).collect();
|
||
|
||
// Make sure UStar headers normalize to Unix path separators
|
||
let mut header = Header::new_ustar();
|
||
|
||
t!(header.set_path(&short_path));
|
||
assert_eq!(t!(header.path()), short_path);
|
||
assert!(!header.path_bytes().contains(&b'\\'));
|
||
|
||
t!(header.set_path(&long_path));
|
||
assert_eq!(t!(header.path()), long_path);
|
||
assert!(!header.path_bytes().contains(&b'\\'));
|
||
|
||
// Make sure GNU headers normalize to Unix path separators,
|
||
// including the `@LongLink` fallback used by `append_file`.
|
||
t!(ar.append_file(&short_path, &mut t!(File::open(&path))));
|
||
t!(ar.append_file(&long_path, &mut t!(File::open(&path))));
|
||
|
||
let rd = Cursor::new(t!(ar.into_inner()));
|
||
let mut ar = Archive::new(rd);
|
||
let mut entries = t!(ar.entries());
|
||
|
||
let entry = t!(entries.next().unwrap());
|
||
assert_eq!(t!(entry.path()), short_path);
|
||
assert!(!entry.path_bytes().contains(&b'\\'));
|
||
|
||
let entry = t!(entries.next().unwrap());
|
||
assert_eq!(t!(entry.path()), long_path);
|
||
assert!(!entry.path_bytes().contains(&b'\\'));
|
||
|
||
assert!(entries.next().is_none());
|
||
}
|
||
|
||
#[test]
|
||
#[cfg(unix)]
|
||
fn append_path_symlink() {
|
||
use std::borrow::Cow;
|
||
use std::env;
|
||
use std::os::unix::fs::symlink;
|
||
|
||
let mut ar = Builder::new(Vec::new());
|
||
ar.follow_symlinks(false);
|
||
let td = t!(TempBuilder::new().prefix("tar-rs").tempdir());
|
||
|
||
let long_linkname = repeat("abcd").take(30).collect::<String>();
|
||
let long_pathname = repeat("dcba").take(30).collect::<String>();
|
||
t!(env::set_current_dir(td.path()));
|
||
// "short" path name / short link name
|
||
t!(symlink("testdest", "test"));
|
||
t!(ar.append_path("test"));
|
||
// short path name / long link name
|
||
t!(symlink(&long_linkname, "test2"));
|
||
t!(ar.append_path("test2"));
|
||
// long path name / long link name
|
||
t!(symlink(&long_linkname, &long_pathname));
|
||
t!(ar.append_path(&long_pathname));
|
||
|
||
let rd = Cursor::new(t!(ar.into_inner()));
|
||
let mut ar = Archive::new(rd);
|
||
let mut entries = t!(ar.entries());
|
||
|
||
let entry = t!(entries.next().unwrap());
|
||
assert_eq!(t!(entry.path()), Path::new("test"));
|
||
assert_eq!(
|
||
t!(entry.link_name()),
|
||
Some(Cow::from(Path::new("testdest")))
|
||
);
|
||
assert_eq!(t!(entry.header().size()), 0);
|
||
|
||
let entry = t!(entries.next().unwrap());
|
||
assert_eq!(t!(entry.path()), Path::new("test2"));
|
||
assert_eq!(
|
||
t!(entry.link_name()),
|
||
Some(Cow::from(Path::new(&long_linkname)))
|
||
);
|
||
assert_eq!(t!(entry.header().size()), 0);
|
||
|
||
let entry = t!(entries.next().unwrap());
|
||
assert_eq!(t!(entry.path()), Path::new(&long_pathname));
|
||
assert_eq!(
|
||
t!(entry.link_name()),
|
||
Some(Cow::from(Path::new(&long_linkname)))
|
||
);
|
||
assert_eq!(t!(entry.header().size()), 0);
|
||
|
||
assert!(entries.next().is_none());
|
||
}
|
||
|
||
#[test]
|
||
fn name_with_slash_doesnt_fool_long_link_and_bsd_compat() {
|
||
let td = t!(TempBuilder::new().prefix("tar-rs").tempdir());
|
||
|
||
let mut ar = Builder::new(Vec::new());
|
||
|
||
let mut h = Header::new_gnu();
|
||
t!(h.set_path("././@LongLink"));
|
||
h.set_size(4);
|
||
h.set_entry_type(EntryType::new(b'L'));
|
||
h.set_cksum();
|
||
t!(ar.append(&h, "foo\0".as_bytes()));
|
||
|
||
let mut header = Header::new_gnu();
|
||
header.set_entry_type(EntryType::Regular);
|
||
t!(header.set_path("testdir/"));
|
||
header.set_size(0);
|
||
header.set_cksum();
|
||
t!(ar.append(&header, &mut io::empty()));
|
||
|
||
// Extracting
|
||
let rdr = Cursor::new(t!(ar.into_inner()));
|
||
let mut ar = Archive::new(rdr);
|
||
t!(ar.unpack(td.path()));
|
||
|
||
// Iterating
|
||
let rdr = Cursor::new(ar.into_inner().into_inner());
|
||
let mut ar = Archive::new(rdr);
|
||
assert!(t!(ar.entries()).all(|fr| fr.is_ok()));
|
||
|
||
assert!(td.path().join("foo").is_file());
|
||
}
|
||
|
||
#[test]
|
||
fn insert_local_file_different_name() {
|
||
let mut ar = Builder::new(Vec::new());
|
||
let td = t!(TempBuilder::new().prefix("tar-rs").tempdir());
|
||
let path = td.path().join("directory");
|
||
t!(fs::create_dir(&path));
|
||
ar.append_path_with_name(&path, "archive/dir").unwrap();
|
||
let path = td.path().join("file");
|
||
t!(t!(File::create(&path)).write_all(b"test"));
|
||
ar.append_path_with_name(&path, "archive/dir/f").unwrap();
|
||
|
||
let rd = Cursor::new(t!(ar.into_inner()));
|
||
let mut ar = Archive::new(rd);
|
||
let mut entries = t!(ar.entries());
|
||
let entry = t!(entries.next().unwrap());
|
||
assert_eq!(t!(entry.path()), Path::new("archive/dir"));
|
||
let entry = t!(entries.next().unwrap());
|
||
assert_eq!(t!(entry.path()), Path::new("archive/dir/f"));
|
||
assert!(entries.next().is_none());
|
||
}
|
||
|
||
#[test]
|
||
#[cfg(unix)]
|
||
fn tar_directory_containing_symlink_to_directory() {
|
||
use std::os::unix::fs::symlink;
|
||
|
||
let td = t!(TempBuilder::new().prefix("tar-rs").tempdir());
|
||
let dummy_src = t!(TempBuilder::new().prefix("dummy_src").tempdir());
|
||
let dummy_dst = td.path().join("dummy_dst");
|
||
let mut ar = Builder::new(Vec::new());
|
||
t!(symlink(dummy_src.path().display().to_string(), &dummy_dst));
|
||
|
||
assert!(dummy_dst.read_link().is_ok());
|
||
assert!(dummy_dst.read_link().unwrap().is_dir());
|
||
ar.append_dir_all("symlinks", td.path()).unwrap();
|
||
ar.finish().unwrap();
|
||
}
|
||
|
||
#[test]
|
||
fn long_path() {
|
||
let td = t!(TempBuilder::new().prefix("tar-rs").tempdir());
|
||
let rdr = Cursor::new(tar!("7z_long_path.tar"));
|
||
let mut ar = Archive::new(rdr);
|
||
assert!(ar.unpack(td.path()).is_ok());
|
||
}
|
||
|
||
#[test]
|
||
fn unpack_path_larger_than_windows_max_path() {
|
||
let dir_name = "iamaprettylongnameandtobepreciseiam91characterslongwhichsomethinkisreallylongandothersdonot";
|
||
// 183 character directory name
|
||
let really_long_path = format!("{}{}", dir_name, dir_name);
|
||
let td = t!(TempBuilder::new().prefix(&really_long_path).tempdir());
|
||
// directory in 7z_long_path.tar is over 100 chars
|
||
let rdr = Cursor::new(tar!("7z_long_path.tar"));
|
||
let mut ar = Archive::new(rdr);
|
||
// should unpack path greater than windows MAX_PATH length of 260 characters
|
||
assert!(ar.unpack(td.path()).is_ok());
|
||
}
|
||
|
||
#[test]
|
||
fn append_long_multibyte() {
|
||
let mut x = tar::Builder::new(Vec::new());
|
||
let mut name = String::new();
|
||
let data: &[u8] = &[];
|
||
for _ in 0..512 {
|
||
name.push('a');
|
||
name.push('𑢮');
|
||
x.append_data(&mut Header::new_gnu(), &name, data).unwrap();
|
||
name.pop();
|
||
}
|
||
}
|
||
|
||
#[test]
|
||
fn read_only_directory_containing_files() {
|
||
let td = t!(TempBuilder::new().prefix("tar-rs").tempdir());
|
||
|
||
let mut b = Builder::new(Vec::<u8>::new());
|
||
|
||
let mut h = Header::new_gnu();
|
||
t!(h.set_path("dir/"));
|
||
h.set_size(0);
|
||
h.set_entry_type(EntryType::dir());
|
||
h.set_mode(0o444);
|
||
h.set_cksum();
|
||
t!(b.append(&h, "".as_bytes()));
|
||
|
||
let mut h = Header::new_gnu();
|
||
t!(h.set_path("dir/file"));
|
||
h.set_size(2);
|
||
h.set_entry_type(EntryType::file());
|
||
h.set_cksum();
|
||
t!(b.append(&h, "hi".as_bytes()));
|
||
|
||
let contents = t!(b.into_inner());
|
||
let mut ar = Archive::new(&contents[..]);
|
||
assert!(ar.unpack(td.path()).is_ok());
|
||
}
|
||
|
||
// This test was marked linux only due to macOS CI can't handle `set_current_dir` correctly
|
||
#[test]
|
||
#[cfg(target_os = "linux")]
|
||
fn tar_directory_containing_special_files() {
|
||
use std::env;
|
||
use std::ffi::CString;
|
||
|
||
let td = t!(TempBuilder::new().prefix("tar-rs").tempdir());
|
||
let fifo = td.path().join("fifo");
|
||
|
||
unsafe {
|
||
let fifo_path = t!(CString::new(fifo.to_str().unwrap()));
|
||
let ret = libc::mknod(fifo_path.as_ptr(), libc::S_IFIFO | 0o644, 0);
|
||
if ret != 0 {
|
||
libc::perror(fifo_path.as_ptr());
|
||
panic!("Failed to create a FIFO file");
|
||
}
|
||
}
|
||
|
||
t!(env::set_current_dir(td.path()));
|
||
let mut ar = Builder::new(Vec::new());
|
||
// append_path has a different logic for processing files, so we need to test it as well
|
||
t!(ar.append_path("fifo"));
|
||
t!(ar.append_dir_all("special", td.path()));
|
||
t!(env::set_current_dir("/dev/"));
|
||
// CI systems seem to have issues with creating a chr device
|
||
t!(ar.append_path("null"));
|
||
t!(ar.finish());
|
||
}
|
||
|
||
#[test]
|
||
fn header_size_overflow() {
|
||
// maximal file size doesn't overflow anything
|
||
let mut ar = Builder::new(Vec::new());
|
||
let mut header = Header::new_gnu();
|
||
header.set_size(u64::MAX);
|
||
header.set_cksum();
|
||
ar.append(&mut header, "x".as_bytes()).unwrap();
|
||
let result = t!(ar.into_inner());
|
||
let mut ar = Archive::new(&result[..]);
|
||
let mut e = ar.entries().unwrap();
|
||
let err = e.next().unwrap().err().unwrap();
|
||
assert!(
|
||
err.to_string().contains("size overflow"),
|
||
"bad error: {}",
|
||
err
|
||
);
|
||
|
||
// back-to-back entries that would overflow also don't panic
|
||
let mut ar = Builder::new(Vec::new());
|
||
let mut header = Header::new_gnu();
|
||
header.set_size(1_000);
|
||
header.set_cksum();
|
||
ar.append(&mut header, &[0u8; 1_000][..]).unwrap();
|
||
let mut header = Header::new_gnu();
|
||
header.set_size(u64::MAX - 513);
|
||
header.set_cksum();
|
||
ar.append(&mut header, "x".as_bytes()).unwrap();
|
||
let result = t!(ar.into_inner());
|
||
let mut ar = Archive::new(&result[..]);
|
||
let mut e = ar.entries().unwrap();
|
||
e.next().unwrap().unwrap();
|
||
let err = e.next().unwrap().err().unwrap();
|
||
assert!(
|
||
err.to_string().contains("size overflow"),
|
||
"bad error: {}",
|
||
err
|
||
);
|
||
}
|
||
|
||
#[test]
|
||
#[cfg(unix)]
|
||
fn ownership_preserving() {
|
||
use std::os::unix::prelude::*;
|
||
|
||
let mut rdr = Vec::new();
|
||
let mut ar = Builder::new(&mut rdr);
|
||
let data: &[u8] = &[];
|
||
let mut header = Header::new_gnu();
|
||
// file 1 with uid = 580800000, gid = 580800000
|
||
header.set_gid(580800000);
|
||
header.set_uid(580800000);
|
||
t!(header.set_path("iamuid580800000"));
|
||
header.set_size(0);
|
||
header.set_cksum();
|
||
t!(ar.append(&header, data));
|
||
// file 2 with uid = 580800001, gid = 580800000
|
||
header.set_uid(580800001);
|
||
t!(header.set_path("iamuid580800001"));
|
||
header.set_cksum();
|
||
t!(ar.append(&header, data));
|
||
// file 3 with uid = 580800002, gid = 580800002
|
||
header.set_gid(580800002);
|
||
header.set_uid(580800002);
|
||
t!(header.set_path("iamuid580800002"));
|
||
header.set_cksum();
|
||
t!(ar.append(&header, data));
|
||
t!(ar.finish());
|
||
|
||
let rdr = Cursor::new(t!(ar.into_inner()));
|
||
let td = t!(TempBuilder::new().prefix("tar-rs").tempdir());
|
||
let mut ar = Archive::new(rdr);
|
||
ar.set_preserve_ownerships(true);
|
||
|
||
if unsafe { libc::getuid() } == 0 {
|
||
assert!(ar.unpack(td.path()).is_ok());
|
||
// validate against premade files
|
||
// iamuid580800001 has this ownership: 580800001:580800000
|
||
let meta = std::fs::metadata(td.path().join("iamuid580800000")).unwrap();
|
||
assert_eq!(meta.uid(), 580800000);
|
||
assert_eq!(meta.gid(), 580800000);
|
||
let meta = std::fs::metadata(td.path().join("iamuid580800001")).unwrap();
|
||
assert_eq!(meta.uid(), 580800001);
|
||
assert_eq!(meta.gid(), 580800000);
|
||
let meta = std::fs::metadata(td.path().join("iamuid580800002")).unwrap();
|
||
assert_eq!(meta.uid(), 580800002);
|
||
assert_eq!(meta.gid(), 580800002);
|
||
} else {
|
||
// it's not possible to unpack tar while preserving ownership
|
||
// without root permissions
|
||
assert!(ar.unpack(td.path()).is_err());
|
||
}
|
||
}
|
||
|
||
#[test]
|
||
#[cfg(unix)]
|
||
fn pax_and_gnu_uid_gid() {
|
||
let tarlist = [tar!("biguid_gnu.tar"), tar!("biguid_pax.tar")];
|
||
|
||
for file in &tarlist {
|
||
let td = t!(TempBuilder::new().prefix("tar-rs").tempdir());
|
||
let rdr = Cursor::new(file);
|
||
let mut ar = Archive::new(rdr);
|
||
ar.set_preserve_ownerships(true);
|
||
|
||
if unsafe { libc::getuid() } == 0 {
|
||
t!(ar.unpack(td.path()));
|
||
let meta = fs::metadata(td.path().join("test.txt")).unwrap();
|
||
let uid = std::os::unix::prelude::MetadataExt::uid(&meta);
|
||
let gid = std::os::unix::prelude::MetadataExt::gid(&meta);
|
||
// 4294967294 = u32::MAX - 1
|
||
assert_eq!(uid, 4294967294);
|
||
assert_eq!(gid, 4294967294);
|
||
} else {
|
||
// it's not possible to unpack tar while preserving ownership
|
||
// without root permissions
|
||
assert!(ar.unpack(td.path()).is_err());
|
||
}
|
||
}
|
||
}
|