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Diffstat (limited to 'runsc/fsgofer/fsgofer.go')
-rw-r--r--runsc/fsgofer/fsgofer.go23
1 files changed, 8 insertions, 15 deletions
diff --git a/runsc/fsgofer/fsgofer.go b/runsc/fsgofer/fsgofer.go
index b325afa63..9c4864cf1 100644
--- a/runsc/fsgofer/fsgofer.go
+++ b/runsc/fsgofer/fsgofer.go
@@ -117,17 +117,9 @@ func NewAttachPoint(prefix string, c Config) p9.Attacher {
}
// Attach implements p9.Attacher.
-func (a *attachPoint) Attach(appPath string) (p9.File, error) {
- // Only proceed if 'appPath' is valid.
- if !path.IsAbs(appPath) {
- return nil, fmt.Errorf("invalid path %q", appPath)
- }
- if path.Clean(appPath) != appPath {
- return nil, fmt.Errorf("invalid path %q", appPath)
- }
-
- root := path.Join(a.prefix, appPath)
- fi, err := os.Stat(root)
+func (a *attachPoint) Attach() (p9.File, error) {
+ // Sanity check the prefix.
+ fi, err := os.Stat(a.prefix)
if err != nil {
return nil, err
}
@@ -136,14 +128,15 @@ func (a *attachPoint) Attach(appPath string) (p9.File, error) {
mode = os.O_RDONLY
}
- f, err := os.OpenFile(root, mode|openFlags, 0)
+ // Open the root directory.
+ f, err := os.OpenFile(a.prefix, mode|openFlags, 0)
if err != nil {
- return nil, fmt.Errorf("unable to open file %q, err: %v", root, err)
+ return nil, fmt.Errorf("unable to open file %q, err: %v", a.prefix, err)
}
stat, err := stat(int(f.Fd()))
if err != nil {
f.Close()
- return nil, fmt.Errorf("failed to stat file %q, err: %v", root, err)
+ return nil, fmt.Errorf("failed to stat file %q, err: %v", a.prefix, err)
}
a.attachedMu.Lock()
@@ -154,7 +147,7 @@ func (a *attachPoint) Attach(appPath string) (p9.File, error) {
}
a.attached = true
- return newLocalFile(a, f, root, stat)
+ return newLocalFile(a, f, a.prefix, stat)
}
// makeQID returns a unique QID for the given stat buffer.