60 lines
1.6 KiB
Go
60 lines
1.6 KiB
Go
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package helpers
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import (
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"context"
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"net"
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"git.kmsign.ru/royalcat/tstor/pkg/ctxbilly"
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nfs "git.kmsign.ru/royalcat/tstor/pkg/go-nfs"
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)
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// NewNullAuthHandler creates a handler for the provided filesystem
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func NewNullAuthHandler(fs nfs.Filesystem) nfs.Handler {
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return &NullAuthHandler{fs}
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}
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// NullAuthHandler returns a NFS backing that exposes a given file system in response to all mount requests.
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type NullAuthHandler struct {
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fs nfs.Filesystem
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}
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// Mount backs Mount RPC Requests, allowing for access control policies.
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func (h *NullAuthHandler) Mount(ctx context.Context, conn net.Conn, req nfs.MountRequest) (status nfs.MountStatus, hndl nfs.Filesystem, auths []nfs.AuthFlavor) {
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status = nfs.MountStatusOk
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hndl = h.fs
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auths = []nfs.AuthFlavor{nfs.AuthFlavorNull}
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return
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}
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// Change provides an interface for updating file attributes.
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func (h *NullAuthHandler) Change(fs nfs.Filesystem) nfs.Change {
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if c, ok := h.fs.(ctxbilly.Change); ok {
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return c
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}
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return nil
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}
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// FSStat provides information about a filesystem.
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func (h *NullAuthHandler) FSStat(ctx context.Context, f nfs.Filesystem, s *nfs.FSStat) error {
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return nil
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}
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// ToHandle handled by CachingHandler
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func (h *NullAuthHandler) ToHandle(f nfs.Filesystem, s []string) []byte {
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return []byte{}
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}
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// FromHandle handled by CachingHandler
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func (h *NullAuthHandler) FromHandle([]byte) (nfs.Filesystem, []string, error) {
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return nil, []string{}, nil
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}
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func (c *NullAuthHandler) InvalidateHandle(nfs.Filesystem, []byte) error {
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return nil
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}
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// HandleLImit handled by cachingHandler
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func (h *NullAuthHandler) HandleLimit() int {
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return -1
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}
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