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POSIX: check deletion permission

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This commit is contained in:
chrislu 2022-01-12 23:58:11 -08:00
parent 0c75f15062
commit f2847f1266
2 changed files with 64 additions and 0 deletions
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4
weed/filesys/dir.go
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@ -424,6 +424,10 @@ func findFileType(mode uint16) fuse.DirentType {
func (dir *Dir) Remove(ctx context.Context, req *fuse.RemoveRequest) error {
if err := checkPermission(dir.entry, req.Uid, req.Gid, true); err != nil {
return err
}
if !req.Dir {
return dir.removeOneFile(req)
}

60
weed/filesys/permission.go Normal file
View file

@ -0,0 +1,60 @@
package filesys
import (
"github.com/chrislusf/seaweedfs/weed/pb/filer_pb"
"github.com/seaweedfs/fuse"
)
func checkPermission(entry *filer_pb.Entry, uid, gid uint32, isWrite bool) error {
if entry == nil {
return nil
}
if entry.Attributes == nil {
return nil
}
attr := entry.Attributes
if attr.Uid == uid {
if isWrite {
if attr.FileMode&0002 > 0 {
return nil
} else {
return fuse.EPERM
}
} else {
if attr.FileMode&0004 > 0 {
return nil
} else {
return fuse.EPERM
}
}
} else if attr.Gid == gid {
if isWrite {
if attr.FileMode&0020 > 0 {
return nil
} else {
return fuse.EPERM
}
} else {
if attr.FileMode&0040 > 0 {
return nil
} else {
return fuse.EPERM
}
}
} else {
if isWrite {
if attr.FileMode&0200 > 0 {
return nil
} else {
return fuse.EPERM
}
} else {
if attr.FileMode&0400 > 0 {
return nil
} else {
return fuse.EPERM
}
}
}
}