diff options
Diffstat (limited to 'src/pkg/syscall/dir_plan9.go')
| -rw-r--r-- | src/pkg/syscall/dir_plan9.go | 9 |
1 files changed, 8 insertions, 1 deletions
diff --git a/src/pkg/syscall/dir_plan9.go b/src/pkg/syscall/dir_plan9.go index b7ab4cd10..697bf5499 100644 --- a/src/pkg/syscall/dir_plan9.go +++ b/src/pkg/syscall/dir_plan9.go @@ -11,6 +11,7 @@ import "errors" var ( ErrShortStat = errors.New("stat buffer too short") ErrBadStat = errors.New("malformed stat buffer") + ErrBadName = errors.New("bad character in file name") ) // A Qid represents a 9P server's unique identification for a file. @@ -53,7 +54,7 @@ var nullDir = Dir{ } // Null assigns special "don't touch" values to members of d to -// avoid modifiying them during syscall.Wstat. +// avoid modifying them during syscall.Wstat. func (d *Dir) Null() { *d = nullDir } // Marshal encodes a 9P stat message corresponding to d into b @@ -65,6 +66,12 @@ func (d *Dir) Marshal(b []byte) (n int, err error) { return n, ErrShortStat } + for _, c := range d.Name { + if c == '/' { + return n, ErrBadName + } + } + b = pbit16(b, uint16(n)-2) b = pbit16(b, d.Type) b = pbit32(b, d.Dev) |