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use users;
use std;
use std::os::unix::fs::MetadataExt;
use std::os::unix::fs::PermissionsExt;
pub fn path_writable(path: &std::path::Path) -> super::PathWritability {
std::fs::metadata(path)
.map(|stat| {
// XXX there really has to be a better option here
let euid = users::get_effective_uid();
let egid = users::get_effective_gid();
let file_uid = stat.uid();
let file_gid = stat.gid();
let file_mode = stat.permissions().mode();
if euid == 0 {
super::PathWritability::Writable
}
else if (file_uid == euid) && (file_mode & 0o200 != 0) {
super::PathWritability::Writable
}
else if (file_gid == egid) && (file_mode & 0o020 != 0) {
super::PathWritability::Writable
}
else if file_mode & 0o002 != 0 {
super::PathWritability::Writable
}
else {
super::PathWritability::NotWritable
}
})
.unwrap_or(super::PathWritability::NotExist)
}
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