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src/server/worker_task.rs: carefully handle file permissions

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This commit is contained in:
Dietmar Maurer
2019-04-06 17:53:12 +02:00
parent 1619a72063
commit 35950380a9
4 changed files with 53 additions and 14 deletions
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19
src/tools.rs
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@ -351,21 +351,28 @@ pub fn getpwnam_ugid(username: &str) -> Result<(libc::uid_t,libc::gid_t), Error>
Ok((info.pw_uid, info.pw_gid))
}
/// Creates a new, empty directory at the provided path witzh specified ownership
/// Creates directory at the provided path with specified ownership
///
/// Simply returns if the directory already exists.
pub fn create_dir_chown<P: AsRef<Path>>(
path: P,
perm: Option<stat::Mode>,
owner: Option<unistd::Uid>,
group: Option<unistd::Gid>,
) -> Result<(), Error>
) -> Result<(), nix::Error>
{
let mode : stat::Mode = perm.unwrap_or(stat::Mode::from(
stat::Mode::S_IRWXO | stat::Mode::S_IRWXG
));
let mode : stat::Mode = perm.unwrap_or(stat::Mode::from_bits_truncate(0o770));
let path = path.as_ref();
unistd::mkdir(path, mode)?;
match nix::unistd::mkdir(path, mode) {
Ok(()) => {},
Err(nix::Error::Sys(nix::errno::Errno::EEXIST)) => {
return Ok(());
},
err => return err,
}
unistd::chown(path, owner, group)?;
Ok(())