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Merge pull request #985 from knight42/fix-preserve-root

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chgrp: fix bug in option --preserve-root
This commit is contained in:
Alex Lyon 2016-11-30 02:59:19 -08:00 • committed by GitHub
commit 7ec754ec1b
4 changed files with 62 additions and 11 deletions
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48
tests/test_chgrp.rs
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@ -43,12 +43,52 @@ fn test_fail_silently() {
#[test]
fn test_preserve_root() {
new_ucmd!()
.arg("--preserve-root")
.arg("-R")
.arg("bin").arg("/")
// It's weird that on OS X, `realpath /etc/..` returns '/private'
for d in &["/", "/////tmp///../../../../",
"../../../../../../../../../../../../../../",
"./../../../../../../../../../../../../../../"] {
new_ucmd!()
.arg("--preserve-root")
.arg("-R")
.arg("bin").arg(d)
.fails()
.stderr_is("chgrp: it is dangerous to operate recursively on '/'\nchgrp: use --no-preserve-root to override this failsafe");
}
}
#[test]
fn test_preserve_root_symlink() {
let file = "test_chgrp_symlink2root";
for d in &["/", "////tmp//../../../../",
"..//../../..//../..//../../../../../../../../",
".//../../../../../../..//../../../../../../../"] {
let (at, mut ucmd) = at_and_ucmd!();
at.symlink(d, file);
ucmd.arg("--preserve-root")
.arg("-HR")
.arg("bin").arg(file)
.fails()
.stderr_is("chgrp: it is dangerous to operate recursively on '/'\nchgrp: use --no-preserve-root to override this failsafe");
}
let (at, mut ucmd) = at_and_ucmd!();
at.symlink("///usr", file);
ucmd.arg("--preserve-root")
.arg("-HR")
.arg("bin").arg(format!(".//{}/..//..//../../", file))
.fails()
.stderr_is("chgrp: it is dangerous to operate recursively on '/'\nchgrp: use --no-preserve-root to override this failsafe");
let (at, mut ucmd) = at_and_ucmd!();
at.symlink("/", "/tmp/__root__");
ucmd.arg("--preserve-root")
.arg("-R")
.arg("bin").arg("/tmp/__root__/.")
.fails()
.stderr_is("chgrp: it is dangerous to operate recursively on '/'\nchgrp: use --no-preserve-root to override this failsafe");
use ::std::fs;
fs::remove_file("/tmp/__root__").unwrap();
}
#[test]