Follow symlinks on O_STAT, unless O_NOFOLLOW is passed

This commit is contained in:
Ian Douglas Scott
2017-07-03 19:23:23 -07:00
parent 2c770ca997
commit 0d12413297
+2 -2
View File
@@ -9,7 +9,7 @@ use std::sync::atomic::{AtomicUsize, Ordering};
use syscall::data::{Stat, StatVfs};
use syscall::error::{Error, Result, EACCES, EEXIST, EISDIR, ENOTDIR, EPERM, ENOENT, EBADF, ELOOP, EINVAL};
use syscall::flag::{O_APPEND, O_CREAT, O_DIRECTORY, O_STAT, O_EXCL, O_TRUNC, O_ACCMODE, O_RDONLY, O_WRONLY, O_RDWR, MODE_PERM, O_SYMLINK};
use syscall::flag::{O_APPEND, O_CREAT, O_DIRECTORY, O_STAT, O_EXCL, O_TRUNC, O_ACCMODE, O_RDONLY, O_WRONLY, O_RDWR, MODE_PERM, O_SYMLINK, O_NOFOLLOW};
use syscall::scheme::Scheme;
pub struct FileScheme {
@@ -179,7 +179,7 @@ impl Scheme for FileScheme {
// println!("dir not opened with O_RDONLY");
return Err(Error::new(EACCES));
}
} else if node.1.is_symlink() && flags & O_STAT != O_STAT && flags & O_SYMLINK != O_SYMLINK {
} else if node.1.is_symlink() && !(flags & O_STAT == O_STAT && flags & O_NOFOLLOW == O_NOFOLLOW) && flags & O_SYMLINK != O_SYMLINK {
let mut node = node;
for _ in 1..10 { // XXX What should the limit be?
let mut buf = [0; 4096];