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-rw-r--r--pkg/sentry/vfs/options.go21
1 files changed, 21 insertions, 0 deletions
diff --git a/pkg/sentry/vfs/options.go b/pkg/sentry/vfs/options.go
index 53d364c5c..dfc8573fd 100644
--- a/pkg/sentry/vfs/options.go
+++ b/pkg/sentry/vfs/options.go
@@ -75,6 +75,21 @@ type MknodOptions struct {
type MountFlags struct {
// NoExec is equivalent to MS_NOEXEC.
NoExec bool
+
+ // NoATime is equivalent to MS_NOATIME and indicates that the
+ // filesystem should not update access time in-place.
+ NoATime bool
+
+ // NoDev is equivalent to MS_NODEV and indicates that the
+ // filesystem should not allow access to devices (special files).
+ // TODO(gVisor.dev/issue/3186): respect this flag in non FUSE
+ // filesystems.
+ NoDev bool
+
+ // NoSUID is equivalent to MS_NOSUID and indicates that the
+ // filesystem should not honor set-user-ID and set-group-ID bits or
+ // file capabilities when executing programs.
+ NoSUID bool
}
// MountOptions contains options to VirtualFilesystem.MountAt().
@@ -149,6 +164,12 @@ type SetStatOptions struct {
// == UTIME_OMIT (VFS users must unset the corresponding bit in Stat.Mask
// instead).
Stat linux.Statx
+
+ // NeedWritePerm indicates that write permission on the file is needed for
+ // this operation. This is needed for truncate(2) (note that ftruncate(2)
+ // does not require the same check--instead, it checks that the fd is
+ // writable).
+ NeedWritePerm bool
}
// BoundEndpointOptions contains options to VirtualFilesystem.BoundEndpointAt()