Commit b14c4e22 authored by Han-Wen Nienhuys's avatar Han-Wen Nienhuys

nodefs: document Access

parent b1188e32
...@@ -104,13 +104,18 @@ type Statfser interface { ...@@ -104,13 +104,18 @@ type Statfser interface {
Statfs(ctx context.Context, out *fuse.StatfsOut) syscall.Errno Statfs(ctx context.Context, out *fuse.StatfsOut) syscall.Errno
} }
// Access should return if the caller can access the file with // Access should return if the caller can access the file with the
// the given mode. In this case, the context has data about // given mode. This is used for two purposes: to determine if a user
// the real UID. For example a root-SUID binary called by user // may enter a directory, and to answer to implement the access system
// susan gets the UID and GID for susan here. // call. In the latter case, the context has data about the real
// UID. For example, a root-SUID binary called by user susan gets the
// UID and GID for susan here.
// //
// If not defined, a default implementation will check traditional // If not defined, a default implementation will check traditional
// unix permissions of the Getattr result agains the caller. // unix permissions of the Getattr result agains the caller. If so, it
// is necessary to either return permissions from GetAttr/Lookup or
// set Options.DefaultPermissions in order to allow chdir into the
// FUSE mount.
type Accesser interface { type Accesser interface {
Access(ctx context.Context, mask uint32) syscall.Errno Access(ctx context.Context, mask uint32) syscall.Errno
} }
...@@ -455,7 +460,7 @@ type Options struct { ...@@ -455,7 +460,7 @@ type Options struct {
// functionality of the root node. // functionality of the root node.
OnAdd func(ctx context.Context) OnAdd func(ctx context.Context)
// DefaultPermissions sets all file permissions to 755 (dirs) // DefaultPermissions sets null file permissions to 755 (dirs)
// or 644 (other files.) // or 644 (other files.)
DefaultPermissions bool DefaultPermissions bool
} }
Markdown is supported
0%
or
You are about to add 0 people to the discussion. Proceed with caution.
Finish editing this message first!
Please register or to comment