diff options
Diffstat (limited to 'cap/file.go')
| -rw-r--r-- | cap/file.go | 17 |
1 files changed, 11 insertions, 6 deletions
diff --git a/cap/file.go b/cap/file.go index cfc171d..b433c9b 100644 --- a/cap/file.go +++ b/cap/file.go @@ -164,6 +164,8 @@ func (c *Set) GetNSOwner() (int, error) { if magic < kv3 { return 0, ErrBadMagic } + c.mu.RLock() + defer c.mu.RUnlock() return c.nsRoot, nil } @@ -187,6 +189,9 @@ func (c *Set) SetNSOwner(uid int) { // attributes, the process is a little lossy with respect to effective // bits. func (c *Set) packFileCap() ([]byte, error) { + c.mu.RLock() + defer c.mu.RUnlock() + var magic uint32 switch words { case 1: @@ -255,8 +260,8 @@ func (c *Set) SetFd(file *os.File) error { } return nil } - c.mu.Lock() - defer c.mu.Unlock() + c.mu.RLock() + defer c.mu.RUnlock() d, err := c.packFileCap() if err != nil { return err @@ -297,8 +302,8 @@ func (c *Set) SetFile(path string) error { } return nil } - c.mu.Lock() - defer c.mu.Unlock() + c.mu.RLock() + defer c.mu.RUnlock() d, err := c.packFileCap() if err != nil { return err @@ -372,8 +377,8 @@ func (c *Set) Export() ([]byte, error) { } b := new(bytes.Buffer) binary.Write(b, binary.LittleEndian, ExtMagic) - c.mu.Lock() - defer c.mu.Unlock() + c.mu.RLock() + defer c.mu.RUnlock() var n = uint(0) for i, f := range c.flat { if nn := 4 * uint(i); nn+4 > n { |