mirror of
https://github.com/uutils/coreutils
synced 2024-12-14 15:22:38 +00:00
708 lines
19 KiB
Rust
708 lines
19 KiB
Rust
use crate::common::util::{AtPath, TestScenario, UCommand};
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use once_cell::sync::Lazy;
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use std::fs::{metadata, set_permissions, OpenOptions, Permissions};
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use std::os::unix::fs::{OpenOptionsExt, PermissionsExt};
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use std::sync::Mutex;
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extern crate chmod;
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extern crate libc;
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use self::libc::umask;
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static TEST_FILE: &str = "file";
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static REFERENCE_FILE: &str = "reference";
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static REFERENCE_PERMS: u32 = 0o247;
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static UMASK_MUTEX: Lazy<Mutex<()>> = Lazy::new(|| Mutex::new(()));
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struct TestCase {
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args: Vec<&'static str>,
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before: u32,
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after: u32,
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}
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fn make_file(file: &str, mode: u32) {
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OpenOptions::new()
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.mode(mode)
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.create(true)
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.write(true)
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.open(file)
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.unwrap();
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let mut perms = metadata(file).unwrap().permissions();
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perms.set_mode(mode);
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set_permissions(file, perms).unwrap();
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}
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fn run_single_test(test: &TestCase, at: &AtPath, mut ucmd: UCommand) {
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make_file(&at.plus_as_string(TEST_FILE), test.before);
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let perms = at.metadata(TEST_FILE).permissions().mode();
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if perms != test.before {
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panic!(
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"{}: expected: {:o} got: {:o}",
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"setting permissions on test files before actual test run failed", test.after, perms
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);
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}
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for arg in &test.args {
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ucmd.arg(arg);
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}
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let r = ucmd.run();
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if !r.succeeded() {
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println!("{}", r.stderr_str());
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panic!("{ucmd}: failed");
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}
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let perms = at.metadata(TEST_FILE).permissions().mode();
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if perms != test.after {
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panic!("{}: expected: {:o} got: {:o}", ucmd, test.after, perms);
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}
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}
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fn run_tests(tests: Vec<TestCase>) {
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for test in tests {
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let (at, ucmd) = at_and_ucmd!();
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run_single_test(&test, &at, ucmd);
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}
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}
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#[test]
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#[allow(clippy::unreadable_literal)]
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fn test_chmod_octal() {
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let tests = vec![
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TestCase {
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args: vec!["0700", TEST_FILE],
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before: 0o100000,
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after: 0o100700,
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},
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TestCase {
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args: vec!["0070", TEST_FILE],
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before: 0o100000,
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after: 0o100070,
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},
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TestCase {
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args: vec!["0007", TEST_FILE],
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before: 0o100000,
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after: 0o100007,
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},
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TestCase {
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args: vec!["-0700", TEST_FILE],
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before: 0o100700,
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after: 0o100000,
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},
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TestCase {
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args: vec!["-0070", TEST_FILE],
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before: 0o100060,
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after: 0o100000,
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},
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TestCase {
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args: vec!["-0007", TEST_FILE],
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before: 0o100001,
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after: 0o100000,
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},
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TestCase {
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args: vec!["+0100", TEST_FILE],
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before: 0o100600,
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after: 0o100700,
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},
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TestCase {
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args: vec!["+0020", TEST_FILE],
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before: 0o100050,
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after: 0o100070,
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},
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TestCase {
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args: vec!["+0004", TEST_FILE],
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before: 0o100003,
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after: 0o100007,
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},
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];
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run_tests(tests);
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}
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#[test]
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#[allow(clippy::unreadable_literal)]
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// spell-checker:disable-next-line
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fn test_chmod_ugoa() {
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let _guard = UMASK_MUTEX.lock();
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let last = unsafe { umask(0) };
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let tests = vec![
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TestCase {
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args: vec!["u=rwx", TEST_FILE],
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before: 0o100000,
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after: 0o100700,
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},
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TestCase {
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args: vec!["g=rwx", TEST_FILE],
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before: 0o100000,
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after: 0o100070,
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},
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TestCase {
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args: vec!["o=rwx", TEST_FILE],
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before: 0o100000,
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after: 0o100007,
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},
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TestCase {
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args: vec!["a=rwx", TEST_FILE],
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before: 0o100000,
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after: 0o100777,
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},
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TestCase {
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args: vec!["-r", TEST_FILE],
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before: 0o100777,
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after: 0o100333,
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},
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TestCase {
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args: vec!["-w", TEST_FILE],
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before: 0o100777,
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after: 0o100555,
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},
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TestCase {
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args: vec!["-x", TEST_FILE],
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before: 0o100777,
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after: 0o100666,
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},
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];
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run_tests(tests);
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unsafe {
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umask(0o022);
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}
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let tests = vec![
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TestCase {
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args: vec!["u=rwx", TEST_FILE],
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before: 0o100000,
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after: 0o100700,
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},
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TestCase {
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args: vec!["g=rwx", TEST_FILE],
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before: 0o100000,
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after: 0o100070,
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},
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TestCase {
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args: vec!["o=rwx", TEST_FILE],
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before: 0o100000,
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after: 0o100007,
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},
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TestCase {
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args: vec!["a=rwx", TEST_FILE],
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before: 0o100000,
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after: 0o100777,
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},
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TestCase {
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args: vec!["+rw", TEST_FILE],
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before: 0o100000,
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after: 0o100644,
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},
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TestCase {
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args: vec!["=rwx", TEST_FILE],
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before: 0o100000,
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after: 0o100755,
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},
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TestCase {
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args: vec!["-x", TEST_FILE],
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before: 0o100777,
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after: 0o100666,
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},
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];
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run_tests(tests);
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// check that we print an error if umask prevents us from removing a permission
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let (at, mut ucmd) = at_and_ucmd!();
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at.touch("file");
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set_permissions(at.plus("file"), Permissions::from_mode(0o777)).unwrap();
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ucmd.args(&["-w", "file"])
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.fails()
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.code_is(1)
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// spell-checker:disable-next-line
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.stderr_is("chmod: file: new permissions are r-xrwxrwx, not r-xr-xr-x\n");
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assert_eq!(
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metadata(at.plus("file")).unwrap().permissions().mode(),
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0o100577
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);
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unsafe {
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umask(last);
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}
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}
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#[test]
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#[allow(clippy::unreadable_literal)]
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fn test_chmod_ugo_copy() {
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let tests = vec![
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TestCase {
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args: vec!["u=g", TEST_FILE],
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before: 0o100070,
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after: 0o100770,
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},
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TestCase {
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args: vec!["g=o", TEST_FILE],
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before: 0o100005,
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after: 0o100055,
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},
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TestCase {
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args: vec!["o=u", TEST_FILE],
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before: 0o100200,
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after: 0o100202,
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},
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TestCase {
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args: vec!["u-g", TEST_FILE],
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before: 0o100710,
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after: 0o100610,
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},
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TestCase {
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args: vec!["u+g", TEST_FILE],
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before: 0o100250,
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after: 0o100750,
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},
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];
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run_tests(tests);
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}
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#[test]
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#[allow(clippy::unreadable_literal)]
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fn test_chmod_many_options() {
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let _guard = UMASK_MUTEX.lock();
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let original_umask = unsafe { umask(0) };
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let tests = vec![TestCase {
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args: vec!["-r,a+w", TEST_FILE],
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before: 0o100444,
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after: 0o100222,
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}];
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run_tests(tests);
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unsafe {
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umask(original_umask);
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}
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}
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#[test]
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#[allow(clippy::unreadable_literal)]
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fn test_chmod_reference_file() {
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let tests = vec![
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TestCase {
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args: vec!["--reference", REFERENCE_FILE, TEST_FILE],
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before: 0o100070,
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after: 0o100247,
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},
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TestCase {
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args: vec!["a-w", "--reference", REFERENCE_FILE, TEST_FILE],
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before: 0o100070,
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after: 0o100247,
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},
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];
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let (at, ucmd) = at_and_ucmd!();
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make_file(&at.plus_as_string(REFERENCE_FILE), REFERENCE_PERMS);
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run_single_test(&tests[0], &at, ucmd);
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}
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#[test]
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fn test_permission_denied() {
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let scene = TestScenario::new(util_name!());
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let at = &scene.fixtures;
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at.mkdir("d/");
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at.mkdir("d/no-x");
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at.mkdir("d/no-x/y");
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scene.ucmd().arg("u=rw").arg("d/no-x").succeeds();
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scene
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.ucmd()
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.arg("-R")
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.arg("o=r")
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.arg("d")
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.fails()
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.stderr_is("chmod: 'd/no-x/y': Permission denied\n");
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}
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#[test]
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#[allow(clippy::unreadable_literal)]
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fn test_chmod_recursive() {
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let _guard = UMASK_MUTEX.lock();
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let original_umask = unsafe { umask(0) };
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let (at, mut ucmd) = at_and_ucmd!();
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at.mkdir("a");
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at.mkdir("a/b");
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at.mkdir("a/b/c");
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at.mkdir("z");
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make_file(&at.plus_as_string("a/a"), 0o100444);
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make_file(&at.plus_as_string("a/b/b"), 0o100444);
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make_file(&at.plus_as_string("a/b/c/c"), 0o100444);
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make_file(&at.plus_as_string("z/y"), 0o100444);
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// only the permissions of folder `a` and `z` are changed
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// folder can't be read after read permission is removed
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ucmd.arg("-R")
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.arg("--verbose")
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.arg("-r,a+w")
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.arg("a")
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.arg("z")
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.fails()
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.stderr_is("chmod: Permission denied\n");
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assert_eq!(at.metadata("z/y").permissions().mode(), 0o100444);
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assert_eq!(at.metadata("a/a").permissions().mode(), 0o100444);
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assert_eq!(at.metadata("a/b/b").permissions().mode(), 0o100444);
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assert_eq!(at.metadata("a/b/c/c").permissions().mode(), 0o100444);
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println!("mode {:o}", at.metadata("a").permissions().mode());
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assert_eq!(at.metadata("a").permissions().mode(), 0o40333);
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assert_eq!(at.metadata("z").permissions().mode(), 0o40333);
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unsafe {
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umask(original_umask);
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}
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}
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#[test]
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#[allow(clippy::unreadable_literal)]
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fn test_chmod_recursive_read_permission() {
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let (at, mut ucmd) = at_and_ucmd!();
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at.mkdir("a");
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at.mkdir("a/b");
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let mut perms = at.metadata("a/b").permissions();
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perms.set_mode(0o311);
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set_permissions(at.plus_as_string("a/b"), perms.clone()).unwrap();
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set_permissions(at.plus_as_string("a"), perms).unwrap();
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ucmd.arg("-R").arg("u+r").arg("a").succeeds();
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assert_eq!(at.metadata("a").permissions().mode(), 0o40711);
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assert_eq!(at.metadata("a/b").permissions().mode(), 0o40711);
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}
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#[test]
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fn test_chmod_non_existing_file() {
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new_ucmd!()
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.arg("-R")
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.arg("-r,a+w")
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.arg("does-not-exist")
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.fails()
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.stderr_contains("cannot access 'does-not-exist': No such file or directory");
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}
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#[test]
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fn test_chmod_non_existing_file_silent() {
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new_ucmd!()
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.arg("-R")
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.arg("--quiet")
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.arg("-r,a+w")
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.arg("does-not-exist")
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.fails()
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.no_stderr()
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.code_is(1);
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}
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#[test]
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fn test_chmod_preserve_root() {
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new_ucmd!()
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.arg("-R")
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.arg("--preserve-root")
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.arg("755")
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.arg("/")
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.fails()
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.stderr_contains("chmod: it is dangerous to operate recursively on '/'");
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}
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#[test]
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fn test_chmod_symlink_non_existing_file() {
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let scene = TestScenario::new(util_name!());
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let at = &scene.fixtures;
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let non_existing = "test_chmod_symlink_non_existing_file";
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let test_symlink = "test_chmod_symlink_non_existing_file_symlink";
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let expected_stdout = &format!(
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"failed to change mode of '{test_symlink}' from 0000 (---------) to 1500 (r-x-----T)"
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);
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let expected_stderr = &format!("cannot operate on dangling symlink '{test_symlink}'");
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at.symlink_file(non_existing, test_symlink);
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// this cannot succeed since the symbolic link dangles
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scene
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.ucmd()
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.arg("755")
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.arg("-v")
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.arg(test_symlink)
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.fails()
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.code_is(1)
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.stdout_contains(expected_stdout)
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.stderr_contains(expected_stderr);
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// this should be the same than with just '-v' but without stderr
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scene
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.ucmd()
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.arg("755")
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.arg("-v")
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.arg("-f")
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.arg(test_symlink)
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.run()
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.code_is(1)
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.no_stderr()
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.stdout_contains(expected_stdout);
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// this should only include the dangling symlink message
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// NOT the failure to change mode
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scene
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.ucmd()
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.arg("755")
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.arg(test_symlink)
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.run()
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.code_is(1)
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.no_stdout()
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.stderr_contains(expected_stderr);
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}
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#[test]
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fn test_chmod_symlink_non_existing_file_recursive() {
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let scene = TestScenario::new(util_name!());
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let at = &scene.fixtures;
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let non_existing = "test_chmod_symlink_non_existing_file_recursive";
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let test_symlink = "test_chmod_symlink_non_existing_file_recursive_symlink";
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let test_directory = "test_chmod_symlink_non_existing_file_directory";
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at.mkdir(test_directory);
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at.symlink_file(non_existing, &format!("{test_directory}/{test_symlink}"));
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// this should succeed
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scene
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.ucmd()
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.arg("-R")
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.arg("755")
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.arg(test_directory)
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.succeeds()
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.no_stderr()
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.no_stdout();
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let expected_stdout = &format!(
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// spell-checker:disable-next-line
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"mode of '{test_directory}' retained as 0755 (rwxr-xr-x)"
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);
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// '-v': this should succeed without stderr
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scene
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.ucmd()
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.arg("-R")
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.arg("-v")
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.arg("755")
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.arg(test_directory)
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.succeeds()
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.stdout_contains(expected_stdout)
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.no_stderr();
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// '-vf': this should be the same than with just '-v'
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scene
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.ucmd()
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.arg("-R")
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.arg("-v")
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.arg("-f")
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.arg("755")
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.arg(test_directory)
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.succeeds()
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.stdout_contains(expected_stdout)
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.no_stderr();
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}
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#[test]
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fn test_chmod_keep_setgid() {
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for (from, arg, to) in [
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(0o7777, "777", 0o46777),
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(0o7777, "=777", 0o40777),
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(0o7777, "0777", 0o46777),
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(0o7777, "=0777", 0o40777),
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(0o7777, "00777", 0o40777),
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(0o2444, "a+wx", 0o42777),
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(0o2444, "a=wx", 0o42333),
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(0o1444, "g+s", 0o43444),
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(0o4444, "u-s", 0o40444),
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(0o7444, "a-s", 0o41444),
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] {
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let (at, mut ucmd) = at_and_ucmd!();
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at.mkdir("dir");
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set_permissions(at.plus("dir"), Permissions::from_mode(from)).unwrap();
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let r = ucmd.arg(arg).arg("dir").succeeds();
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println!("{}", r.stderr_str());
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assert_eq!(at.metadata("dir").permissions().mode(), to);
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}
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}
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#[test]
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fn test_no_operands() {
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new_ucmd!()
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.arg("777")
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.fails()
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.code_is(1)
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|
.usage_error("missing operand");
|
|
}
|
|
|
|
#[test]
|
|
fn test_invalid_arg() {
|
|
new_ucmd!().arg("--definitely-invalid").fails().code_is(1);
|
|
}
|
|
|
|
#[test]
|
|
fn test_mode_after_dash_dash() {
|
|
let (at, ucmd) = at_and_ucmd!();
|
|
run_single_test(
|
|
&TestCase {
|
|
args: vec!["--", "-r", TEST_FILE],
|
|
before: 0o100_777,
|
|
after: 0o100_333,
|
|
},
|
|
&at,
|
|
ucmd,
|
|
);
|
|
}
|
|
|
|
#[test]
|
|
fn test_chmod_file_after_non_existing_file() {
|
|
let scene = TestScenario::new(util_name!());
|
|
let at = &scene.fixtures;
|
|
at.touch(TEST_FILE);
|
|
at.touch("file2");
|
|
set_permissions(at.plus(TEST_FILE), Permissions::from_mode(0o664)).unwrap();
|
|
set_permissions(at.plus("file2"), Permissions::from_mode(0o664)).unwrap();
|
|
scene
|
|
.ucmd()
|
|
.arg("u+x")
|
|
.arg("does-not-exist")
|
|
.arg(TEST_FILE)
|
|
.fails()
|
|
.stderr_contains("chmod: cannot access 'does-not-exist': No such file or directory")
|
|
.code_is(1);
|
|
|
|
assert_eq!(at.metadata(TEST_FILE).permissions().mode(), 0o100_764);
|
|
|
|
scene
|
|
.ucmd()
|
|
.arg("u+x")
|
|
.arg("--q")
|
|
.arg("does-not-exist")
|
|
.arg("file2")
|
|
.fails()
|
|
.no_stderr()
|
|
.code_is(1);
|
|
assert_eq!(at.metadata("file2").permissions().mode(), 0o100_764);
|
|
}
|
|
|
|
#[test]
|
|
fn test_chmod_file_symlink_after_non_existing_file() {
|
|
let scene = TestScenario::new(util_name!());
|
|
let at = &scene.fixtures;
|
|
let existing = "file";
|
|
let test_existing_symlink = "file_symlink";
|
|
|
|
let non_existing = "test_chmod_symlink_non_existing_file";
|
|
let test_dangling_symlink = "test_chmod_symlink_non_existing_file_symlink";
|
|
let expected_stdout = &format!(
|
|
"failed to change mode of '{test_dangling_symlink}' from 0000 (---------) to 1500 (r-x-----T)"
|
|
);
|
|
let expected_stderr = &format!("cannot operate on dangling symlink '{test_dangling_symlink}'");
|
|
|
|
at.touch(existing);
|
|
set_permissions(at.plus(existing), Permissions::from_mode(0o664)).unwrap();
|
|
at.symlink_file(non_existing, test_dangling_symlink);
|
|
at.symlink_file(existing, test_existing_symlink);
|
|
|
|
// this cannot succeed since the symbolic link dangles
|
|
// but the metadata for the existing target should change
|
|
scene
|
|
.ucmd()
|
|
.arg("u+x")
|
|
.arg("-v")
|
|
.arg(test_dangling_symlink)
|
|
.arg(test_existing_symlink)
|
|
.fails()
|
|
.code_is(1)
|
|
.stdout_contains(expected_stdout)
|
|
.stderr_contains(expected_stderr);
|
|
assert_eq!(
|
|
at.metadata(test_existing_symlink).permissions().mode(),
|
|
0o100_764
|
|
);
|
|
}
|
|
|
|
#[test]
|
|
fn test_quiet_n_verbose_used_multiple_times() {
|
|
let scene = TestScenario::new(util_name!());
|
|
let at = &scene.fixtures;
|
|
at.touch("file");
|
|
scene
|
|
.ucmd()
|
|
.arg("u+x")
|
|
.arg("--verbose")
|
|
.arg("--verbose")
|
|
.arg("file")
|
|
.succeeds();
|
|
scene
|
|
.ucmd()
|
|
.arg("u+x")
|
|
.arg("--quiet")
|
|
.arg("--quiet")
|
|
.arg("file")
|
|
.succeeds();
|
|
}
|
|
|
|
#[test]
|
|
fn test_gnu_invalid_mode() {
|
|
let scene = TestScenario::new(util_name!());
|
|
let at = &scene.fixtures;
|
|
at.touch("file");
|
|
scene.ucmd().arg("u+gr").arg("file").fails();
|
|
}
|
|
|
|
#[test]
|
|
fn test_gnu_options() {
|
|
let scene = TestScenario::new(util_name!());
|
|
let at = &scene.fixtures;
|
|
at.touch("file");
|
|
scene.ucmd().arg("-w").arg("file").succeeds();
|
|
scene.ucmd().arg("file").arg("-w").succeeds();
|
|
scene.ucmd().arg("-w").arg("--").arg("file").succeeds();
|
|
}
|
|
|
|
#[test]
|
|
fn test_gnu_repeating_options() {
|
|
let scene = TestScenario::new(util_name!());
|
|
let at = &scene.fixtures;
|
|
at.touch("file");
|
|
scene.ucmd().arg("-w").arg("-w").arg("file").succeeds();
|
|
scene
|
|
.ucmd()
|
|
.arg("-w")
|
|
.arg("-w")
|
|
.arg("-w")
|
|
.arg("file")
|
|
.succeeds();
|
|
}
|
|
|
|
#[test]
|
|
fn test_gnu_special_filenames() {
|
|
let scene = TestScenario::new(util_name!());
|
|
let at = &scene.fixtures;
|
|
let perms_before = Permissions::from_mode(0o100_640);
|
|
let perms_after = Permissions::from_mode(0o100_440);
|
|
|
|
make_file(&at.plus_as_string("--"), perms_before.mode());
|
|
scene.ucmd().arg("-w").arg("--").arg("--").succeeds();
|
|
assert_eq!(at.metadata("--").permissions(), perms_after);
|
|
set_permissions(at.plus("--"), perms_before.clone()).unwrap();
|
|
scene.ucmd().arg("--").arg("-w").arg("--").succeeds();
|
|
assert_eq!(at.metadata("--").permissions(), perms_after);
|
|
at.remove("--");
|
|
|
|
make_file(&at.plus_as_string("-w"), perms_before.mode());
|
|
scene.ucmd().arg("-w").arg("--").arg("-w").succeeds();
|
|
assert_eq!(at.metadata("-w").permissions(), perms_after);
|
|
set_permissions(at.plus("-w"), perms_before).unwrap();
|
|
scene.ucmd().arg("--").arg("-w").arg("-w").succeeds();
|
|
assert_eq!(at.metadata("-w").permissions(), perms_after);
|
|
}
|
|
|
|
#[test]
|
|
fn test_gnu_special_options() {
|
|
let scene = TestScenario::new(util_name!());
|
|
let at = &scene.fixtures;
|
|
at.touch("file");
|
|
scene.ucmd().arg("--").arg("--").arg("file").succeeds();
|
|
scene.ucmd().arg("--").arg("--").fails();
|
|
}
|