tailscale: update tailfs file and package names (#11590)

This change updates the tailfs file and package names to their new
naming convention.

Updates #tailscale/corp#16827

Signed-off-by: Charlotte Brandhorst-Satzkorn <charlotte@tailscale.com>

client/tailscale/localclient.go

@@ -28,6 +28,7 @@
 
 	"go4.org/mem"
 	"tailscale.com/client/tailscale/apitype"
+	"tailscale.com/drive"
 	"tailscale.com/envknob"
 	"tailscale.com/ipn"
 	"tailscale.com/ipn/ipnstate"
@@ -35,7 +36,6 @@
 	"tailscale.com/paths"
 	"tailscale.com/safesocket"
 	"tailscale.com/tailcfg"
-	"tailscale.com/tailfs"
 	"tailscale.com/tka"
 	"tailscale.com/types/key"
 	"tailscale.com/types/tkatype"
@@ -1429,7 +1429,7 @@ func (lc *LocalClient) TailFSSetFileServerAddr(ctx context.Context, addr string)
 // TailFSShareSet adds or updates the given share in the list of shares that
 // TailFS will serve to remote nodes. If a share with the same name already
 // exists, the existing share is replaced/updated.
-func (lc *LocalClient) TailFSShareSet(ctx context.Context, share *tailfs.Share) error {
+func (lc *LocalClient) TailFSShareSet(ctx context.Context, share *drive.Share) error {
 	_, err := lc.send(ctx, "PUT", "/localapi/v0/tailfs/shares", http.StatusCreated, jsonBody(share))
 	return err
 }
@@ -1459,12 +1459,12 @@ func (lc *LocalClient) TailFSShareRename(ctx context.Context, oldName, newName s
 
 // TailFSShareList returns the list of shares that TailFS is currently serving
 // to remote nodes.
-func (lc *LocalClient) TailFSShareList(ctx context.Context) ([]*tailfs.Share, error) {
+func (lc *LocalClient) TailFSShareList(ctx context.Context) ([]*drive.Share, error) {
 	result, err := lc.get200(ctx, "/localapi/v0/tailfs/shares")
 	if err != nil {
 		return nil, err
 	}
-	var shares []*tailfs.Share
+	var shares []*drive.Share
 	err = json.Unmarshal(result, &shares)
 	return shares, err
 }

client/tailscale/localclient_test.go

@@ -34,9 +34,9 @@ func TestDeps(t *testing.T) {
 	deptest.DepChecker{
 		BadDeps: map[string]string{
 			// Make sure we don't again accidentally bring in a dependency on
-			// TailFS or its transitive dependencies
+			// drive or its transitive dependencies
-			"tailscale.com/tailfs/tailfsimpl": "https://github.com/tailscale/tailscale/pull/10631",
+			"tailscale.com/drive/driveimpl":  "https://github.com/tailscale/tailscale/pull/10631",
-			"github.com/studio-b12/gowebdav":  "https://github.com/tailscale/tailscale/pull/10631",
+			"github.com/studio-b12/gowebdav": "https://github.com/tailscale/tailscale/pull/10631",
 		},
 	}.Check(t)
 }

cmd/derper/depaware.txt

@@ -86,6 +86,7 @@ tailscale.com/cmd/derper dependencies: (generated by github.com/tailscale/depawa
         tailscale.com/derp                                           from tailscale.com/cmd/derper+
         tailscale.com/derp/derphttp                                  from tailscale.com/cmd/derper
         tailscale.com/disco                                          from tailscale.com/derp
+        tailscale.com/drive                                          from tailscale.com/client/tailscale+
         tailscale.com/envknob                                        from tailscale.com/client/tailscale+
         tailscale.com/health                                         from tailscale.com/net/tlsdial
         tailscale.com/hostinfo                                       from tailscale.com/net/interfaces+
@@ -114,7 +115,6 @@ tailscale.com/cmd/derper dependencies: (generated by github.com/tailscale/depawa
      💣 tailscale.com/safesocket                                     from tailscale.com/client/tailscale
         tailscale.com/syncs                                          from tailscale.com/cmd/derper+
         tailscale.com/tailcfg                                        from tailscale.com/client/tailscale+
-        tailscale.com/tailfs                                         from tailscale.com/client/tailscale+
         tailscale.com/tka                                            from tailscale.com/client/tailscale+
    W    tailscale.com/tsconst                                        from tailscale.com/net/interfaces
         tailscale.com/tstime                                         from tailscale.com/derp+

cmd/tailscale/cli/share.go

@@ -10,7 +10,7 @@
 	"strings"
 
 	"github.com/peterbourgon/ff/v3/ffcli"
-	"tailscale.com/tailfs"
+	"tailscale.com/drive"
 )
 
 const (
@@ -69,7 +69,7 @@ func runShareSet(ctx context.Context, args []string) error {
 
 	name, path := args[0], args[1]
 
-	err := localClient.TailFSShareSet(ctx, &tailfs.Share{
+	err := localClient.TailFSShareSet(ctx, &drive.Share{
 		Name: name,
 		Path: path,
 	})
@@ -145,7 +145,7 @@ func runShareList(ctx context.Context, args []string) error {
 
 func buildShareLongHelp() string {
 	longHelpAs := ""
-	if tailfs.AllowShareAs() {
+	if drive.AllowShareAs() {
 		longHelpAs = shareLongHelpAs
 	}
 	return fmt.Sprintf(shareLongHelpBase, longHelpAs)

cmd/tailscale/depaware.txt

@@ -84,6 +84,7 @@ tailscale.com/cmd/tailscale dependencies: (generated by github.com/tailscale/dep
         tailscale.com/derp                                           from tailscale.com/derp/derphttp
         tailscale.com/derp/derphttp                                  from tailscale.com/net/netcheck
         tailscale.com/disco                                          from tailscale.com/derp
+        tailscale.com/drive                                          from tailscale.com/client/tailscale+
         tailscale.com/envknob                                        from tailscale.com/client/tailscale+
         tailscale.com/health                                         from tailscale.com/net/tlsdial
         tailscale.com/health/healthmsg                               from tailscale.com/cmd/tailscale/cli
@@ -118,7 +119,6 @@ tailscale.com/cmd/tailscale dependencies: (generated by github.com/tailscale/dep
      💣 tailscale.com/safesocket                                     from tailscale.com/client/tailscale+
         tailscale.com/syncs                                          from tailscale.com/cmd/tailscale/cli+
         tailscale.com/tailcfg                                        from tailscale.com/client/tailscale+
-        tailscale.com/tailfs                                         from tailscale.com/cmd/tailscale/cli+
         tailscale.com/tka                                            from tailscale.com/client/tailscale+
    W    tailscale.com/tsconst                                        from tailscale.com/net/interfaces
         tailscale.com/tstime                                         from tailscale.com/control/controlhttp+

cmd/tailscaled/depaware.txt

@@ -88,7 +88,7 @@ tailscale.com/cmd/tailscaled dependencies: (generated by github.com/tailscale/de
    W    github.com/dblohm7/wingoes/internal                          from github.com/dblohm7/wingoes/com
    W 💣 github.com/dblohm7/wingoes/pe                                from tailscale.com/util/osdiag+
   LW 💣 github.com/digitalocean/go-smbios/smbios                     from tailscale.com/posture
-     💣 github.com/djherbis/times                                    from tailscale.com/tailfs/tailfsimpl
+     💣 github.com/djherbis/times                                    from tailscale.com/drive/driveimpl
         github.com/fxamacker/cbor/v2                                 from tailscale.com/tka
         github.com/gaissmai/bart                                     from tailscale.com/net/tstun
    W 💣 github.com/go-ole/go-ole                                     from github.com/go-ole/go-ole/oleutil+
@@ -111,7 +111,7 @@ tailscale.com/cmd/tailscaled dependencies: (generated by github.com/tailscale/de
    L    github.com/insomniacslk/dhcp/iana                            from github.com/insomniacslk/dhcp/dhcpv4
    L    github.com/insomniacslk/dhcp/interfaces                      from github.com/insomniacslk/dhcp/dhcpv4
    L    github.com/insomniacslk/dhcp/rfc1035label                    from github.com/insomniacslk/dhcp/dhcpv4
-        github.com/jellydator/ttlcache/v3                            from tailscale.com/tailfs/tailfsimpl/compositedav
+        github.com/jellydator/ttlcache/v3                            from tailscale.com/drive/driveimpl/compositedav
    L    github.com/jmespath/go-jmespath                              from github.com/aws/aws-sdk-go-v2/service/ssm
    L    github.com/josharian/native                                  from github.com/mdlayher/netlink+
    L 💣 github.com/jsimonetti/rtnetlink                              from tailscale.com/net/interfaces+
@@ -172,7 +172,7 @@ tailscale.com/cmd/tailscaled dependencies: (generated by github.com/tailscale/de
         github.com/tailscale/wireguard-go/rwcancel                   from github.com/tailscale/wireguard-go/device+
         github.com/tailscale/wireguard-go/tai64n                     from github.com/tailscale/wireguard-go/device
      💣 github.com/tailscale/wireguard-go/tun                        from github.com/tailscale/wireguard-go/device+
-        github.com/tailscale/xnet/webdav                             from tailscale.com/tailfs/tailfsimpl+
+        github.com/tailscale/xnet/webdav                             from tailscale.com/drive/driveimpl+
         github.com/tailscale/xnet/webdav/internal/xml                from github.com/tailscale/xnet/webdav
         github.com/tcnksm/go-httpstat                                from tailscale.com/net/netcheck
   LD    github.com/u-root/u-root/pkg/termios                         from tailscale.com/ssh/tailssh
@@ -251,6 +251,11 @@ tailscale.com/cmd/tailscaled dependencies: (generated by github.com/tailscale/de
         tailscale.com/doctor/ethtool                                 from tailscale.com/ipn/ipnlocal
      💣 tailscale.com/doctor/permissions                             from tailscale.com/ipn/ipnlocal
         tailscale.com/doctor/routetable                              from tailscale.com/ipn/ipnlocal
+        tailscale.com/drive                                          from tailscale.com/client/tailscale+
+        tailscale.com/drive/driveimpl                                from tailscale.com/cmd/tailscaled
+        tailscale.com/drive/driveimpl/compositedav                   from tailscale.com/drive/driveimpl
+        tailscale.com/drive/driveimpl/dirfs                          from tailscale.com/drive/driveimpl+
+        tailscale.com/drive/driveimpl/shared                         from tailscale.com/drive/driveimpl+
         tailscale.com/envknob                                        from tailscale.com/client/tailscale+
         tailscale.com/health                                         from tailscale.com/control/controlclient+
         tailscale.com/health/healthmsg                               from tailscale.com/ipn/ipnlocal
@@ -320,11 +325,6 @@ tailscale.com/cmd/tailscaled dependencies: (generated by github.com/tailscale/de
         tailscale.com/syncs                                          from tailscale.com/cmd/tailscaled+
         tailscale.com/tailcfg                                        from tailscale.com/client/tailscale+
         tailscale.com/taildrop                                       from tailscale.com/ipn/ipnlocal+
-        tailscale.com/tailfs                                         from tailscale.com/client/tailscale+
-        tailscale.com/tailfs/tailfsimpl                              from tailscale.com/cmd/tailscaled
-        tailscale.com/tailfs/tailfsimpl/compositedav                 from tailscale.com/tailfs/tailfsimpl
-        tailscale.com/tailfs/tailfsimpl/dirfs                        from tailscale.com/tailfs/tailfsimpl+
-        tailscale.com/tailfs/tailfsimpl/shared                       from tailscale.com/tailfs/tailfsimpl+
   LD    tailscale.com/tempfork/gliderlabs/ssh                        from tailscale.com/ssh/tailssh
         tailscale.com/tempfork/heap                                  from tailscale.com/wgengine/magicsock
         tailscale.com/tka                                            from tailscale.com/client/tailscale+

cmd/tailscaled/tailscaled.go

@@ -33,6 +33,7 @@
 	"tailscale.com/client/tailscale"
 	"tailscale.com/cmd/tailscaled/childproc"
 	"tailscale.com/control/controlclient"
+	"tailscale.com/drive/driveimpl"
 	"tailscale.com/envknob"
 	"tailscale.com/ipn/conffile"
 	"tailscale.com/ipn/ipnlocal"
@@ -52,7 +53,6 @@
 	"tailscale.com/paths"
 	"tailscale.com/safesocket"
 	"tailscale.com/syncs"
-	"tailscale.com/tailfs/tailfsimpl"
 	"tailscale.com/tsd"
 	"tailscale.com/tsweb/varz"
 	"tailscale.com/types/flagtype"
@@ -407,7 +407,7 @@ func run() (err error) {
 		debugMux = newDebugMux()
 	}
 
-	sys.Set(tailfsimpl.NewFileSystemForRemote(logf))
+	sys.Set(driveimpl.NewFileSystemForRemote(logf))
 
 	return startIPNServer(context.Background(), logf, pol.PublicID, sys)
 }
@@ -650,7 +650,7 @@ func tryEngine(logf logger.Logf, sys *tsd.System, name string) (onlyNetstack boo
 		Dialer:         sys.Dialer.Get(),
 		SetSubsystem:   sys.Set,
 		ControlKnobs:   sys.ControlKnobs(),
-		TailFSForLocal: tailfsimpl.NewFileSystemForLocal(logf),
+		TailFSForLocal: driveimpl.NewFileSystemForLocal(logf),
 	}
 
 	onlyNetstack = name == "userspace-networking"
@@ -847,7 +847,7 @@ func serveTailFS(args []string) error {
 	if len(args)%2 != 0 {
 		return errors.New("need <sharename> <path> pairs")
 	}
-	s, err := tailfsimpl.NewFileServer()
+	s, err := driveimpl.NewFileServer()
 	if err != nil {
 		return fmt.Errorf("unable to start tailfs FileServer: %v", err)
 	}

cmd/tailscaled/tailscaled_windows.go

@@ -42,13 +42,13 @@
 	"golang.org/x/sys/windows/svc/eventlog"
 	"golang.zx2c4.com/wintun"
 	"golang.zx2c4.com/wireguard/windows/tunnel/winipcfg"
+	"tailscale.com/drive/driveimpl"
 	"tailscale.com/envknob"
 	"tailscale.com/logpolicy"
 	"tailscale.com/logtail/backoff"
 	"tailscale.com/net/dns"
 	"tailscale.com/net/netmon"
 	"tailscale.com/net/tstun"
-	"tailscale.com/tailfs/tailfsimpl"
 	"tailscale.com/tsd"
 	"tailscale.com/types/logger"
 	"tailscale.com/types/logid"
@@ -316,7 +316,7 @@ func beWindowsSubprocess() bool {
 	}
 	sys.Set(netMon)
 
-	sys.Set(tailfsimpl.NewFileSystemForRemote(log.Printf))
+	sys.Set(driveimpl.NewFileSystemForRemote(log.Printf))
 
 	publicLogID, _ := logid.ParsePublicID(logID)
 	err = startIPNServer(ctx, log.Printf, publicLogID, sys)

drive/drive_clone.go

@@ -3,7 +3,7 @@
 
 // Code generated by tailscale.com/cmd/cloner; DO NOT EDIT.
 
-package tailfs
+package drive
 
 // Clone makes a deep copy of Share.
 // The result aliases no memory with the original.

drive/drive_view.go

@@ -3,7 +3,7 @@
 
 // Code generated by tailscale/cmd/viewer; DO NOT EDIT.
 
-package tailfs
+package drive
 
 import (
 	"encoding/json"

drive/driveimpl/birthtiming.go

@@ -1,7 +1,7 @@
 // Copyright (c) Tailscale Inc & AUTHORS
 // SPDX-License-Identifier: BSD-3-Clause
 
-package tailfsimpl
+package driveimpl
 
 import (
 	"context"

drive/driveimpl/birthtiming_test.go

@@ -5,7 +5,7 @@
 
 //go:build windows || darwin
 
-package tailfsimpl
+package driveimpl
 
 import (
 	"context"

drive/driveimpl/compositedav/compositedav.go

@@ -17,8 +17,8 @@
 	"sync"
 
 	"github.com/tailscale/xnet/webdav"
-	"tailscale.com/tailfs/tailfsimpl/dirfs"
+	"tailscale.com/drive/driveimpl/dirfs"
-	"tailscale.com/tailfs/tailfsimpl/shared"
+	"tailscale.com/drive/driveimpl/shared"
 	"tailscale.com/tstime"
 	"tailscale.com/types/logger"
 )

drive/driveimpl/compositedav/propfind.go

@@ -10,7 +10,7 @@
 	"net/http"
 	"regexp"
 
-	"tailscale.com/tailfs/tailfsimpl/shared"
+	"tailscale.com/drive/driveimpl/shared"
 )
 
 var (

drive/driveimpl/connlistener.go

@@ -1,7 +1,7 @@
 // Copyright (c) Tailscale Inc & AUTHORS
 // SPDX-License-Identifier: BSD-3-Clause
 
-package tailfsimpl
+package driveimpl
 
 import (
 	"log"

drive/driveimpl/connlistener_test.go

@@ -1,7 +1,7 @@
 // Copyright (c) Tailscale Inc & AUTHORS
 // SPDX-License-Identifier: BSD-3-Clause
 
-package tailfsimpl
+package driveimpl
 
 import (
 	"log"

drive/driveimpl/dirfs/dirfs.go

@@ -10,7 +10,7 @@
 	"strings"
 	"time"
 
-	"tailscale.com/tailfs/tailfsimpl/shared"
+	"tailscale.com/drive/driveimpl/shared"
 	"tailscale.com/tstime"
 )
 

drive/driveimpl/dirfs/dirfs_test.go

@@ -15,7 +15,7 @@
 
 	"github.com/google/go-cmp/cmp"
 	"github.com/tailscale/xnet/webdav"
-	"tailscale.com/tailfs/tailfsimpl/shared"
+	"tailscale.com/drive/driveimpl/shared"
 	"tailscale.com/tstest"
 )
 

drive/driveimpl/dirfs/mkdir.go

@@ -7,7 +7,7 @@
 	"context"
 	"os"
 
-	"tailscale.com/tailfs/tailfsimpl/shared"
+	"tailscale.com/drive/driveimpl/shared"
 )
 
 // Mkdir implements webdav.FileSystem. All attempts to Mkdir a directory that

drive/driveimpl/dirfs/openfile.go

@@ -9,7 +9,7 @@
 	"os"
 
 	"github.com/tailscale/xnet/webdav"
-	"tailscale.com/tailfs/tailfsimpl/shared"
+	"tailscale.com/drive/driveimpl/shared"
 )
 
 // OpenFile implements interface webdav.Filesystem.

drive/driveimpl/dirfs/stat.go

@@ -8,7 +8,7 @@
 	"io/fs"
 	"os"
 
-	"tailscale.com/tailfs/tailfsimpl/shared"
+	"tailscale.com/drive/driveimpl/shared"
 )
 
 // Stat implements webdav.FileSystem.

drive/driveimpl/drive_test.go

@@ -1,7 +1,7 @@
 // Copyright (c) Tailscale Inc & AUTHORS
 // SPDX-License-Identifier: BSD-3-Clause
 
-package tailfsimpl
+package driveimpl
 
 import (
 	"fmt"
@@ -20,8 +20,8 @@
 
 	"github.com/google/go-cmp/cmp"
 	"github.com/studio-b12/gowebdav"
-	"tailscale.com/tailfs"
+	"tailscale.com/drive"
-	"tailscale.com/tailfs/tailfsimpl/shared"
+	"tailscale.com/drive/driveimpl/shared"
 	"tailscale.com/tstest"
 )
 
@@ -38,7 +38,7 @@
 func init() {
 	// set AllowShareAs() to false so that we don't try to use sub-processes
 	// for access files on disk.
-	tailfs.DisallowShareAs = true
+	drive.DisallowShareAs = true
 }
 
 // The tests in this file simulate real-life TailFS scenarios, but without
@@ -51,9 +51,9 @@ func TestDirectoryListing(t *testing.T) {
 	s.checkDirList("domain should contain its only remote", shared.Join(domain), remote1)
 	s.checkDirList("remote with no shares should be empty", shared.Join(domain, remote1))
 
-	s.addShare(remote1, share11, tailfs.PermissionReadWrite)
+	s.addShare(remote1, share11, drive.PermissionReadWrite)
 	s.checkDirList("remote with one share should contain that share", shared.Join(domain, remote1), share11)
-	s.addShare(remote1, share12, tailfs.PermissionReadOnly)
+	s.addShare(remote1, share12, drive.PermissionReadOnly)
 	s.checkDirList("remote with two shares should contain both in lexicographical order", shared.Join(domain, remote1), share12, share11)
 	s.writeFile("writing file to read/write remote should succeed", remote1, share11, file111, "hello world", true)
 	s.checkDirList("remote share should contain file", shared.Join(domain, remote1, share11), file111)
@@ -76,12 +76,12 @@ func TestFileManipulation(t *testing.T) {
 	s := newSystem(t)
 
 	s.addRemote(remote1)
-	s.addShare(remote1, share11, tailfs.PermissionReadWrite)
+	s.addShare(remote1, share11, drive.PermissionReadWrite)
 	s.writeFile("writing file to read/write remote should succeed", remote1, share11, file111, "hello world", true)
 	s.checkFileStatus(remote1, share11, file111)
 	s.checkFileContents(remote1, share11, file111)
 
-	s.addShare(remote1, share12, tailfs.PermissionReadOnly)
+	s.addShare(remote1, share12, drive.PermissionReadOnly)
 	s.writeFile("writing file to read-only remote should fail", remote1, share12, file111, "hello world", false)
 
 	s.writeFile("writing file to non-existent remote should fail", "non-existent", share11, file111, "hello world", false)
@@ -98,7 +98,7 @@ type remote struct {
 	fs          *FileSystemForRemote
 	fileServer  *FileServer
 	shares      map[string]string
-	permissions map[string]tailfs.Permission
+	permissions map[string]drive.Permission
 	mu          sync.RWMutex
 }
 
@@ -175,15 +175,15 @@ func (s *system) addRemote(name string) {
 		fileServer:  fileServer,
 		fs:          NewFileSystemForRemote(log.Printf),
 		shares:      make(map[string]string),
-		permissions: make(map[string]tailfs.Permission),
+		permissions: make(map[string]drive.Permission),
 	}
 	r.fs.SetFileServerAddr(fileServer.Addr())
 	go http.Serve(l, r)
 	s.remotes[name] = r
 
-	remotes := make([]*tailfs.Remote, 0, len(s.remotes))
+	remotes := make([]*drive.Remote, 0, len(s.remotes))
 	for name, r := range s.remotes {
-		remotes = append(remotes, &tailfs.Remote{
+		remotes = append(remotes, &drive.Remote{
 			Name: name,
 			URL:  fmt.Sprintf("http://%s", r.l.Addr()),
 		})
@@ -197,7 +197,7 @@ func (s *system) addRemote(name string) {
 		})
 }
 
-func (s *system) addShare(remoteName, shareName string, permission tailfs.Permission) {
+func (s *system) addShare(remoteName, shareName string, permission drive.Permission) {
 	r, ok := s.remotes[remoteName]
 	if !ok {
 		s.t.Fatalf("unknown remote %q", remoteName)
@@ -207,14 +207,14 @@ func (s *system) addShare(remoteName, shareName string, permission tailfs.Permis
 	r.shares[shareName] = f
 	r.permissions[shareName] = permission
 
-	shares := make([]*tailfs.Share, 0, len(r.shares))
+	shares := make([]*drive.Share, 0, len(r.shares))
 	for shareName, folder := range r.shares {
-		shares = append(shares, &tailfs.Share{
+		shares = append(shares, &drive.Share{
 			Name: shareName,
 			Path: folder,
 		})
 	}
-	slices.SortFunc(shares, tailfs.CompareShares)
+	slices.SortFunc(shares, drive.CompareShares)
 	r.fs.SetShares(shares)
 	r.fileServer.SetShares(r.shares)
 }

drive/driveimpl/fileserver.go

@@ -1,7 +1,7 @@
 // Copyright (c) Tailscale Inc & AUTHORS
 // SPDX-License-Identifier: BSD-3-Clause
 
-package tailfsimpl
+package driveimpl
 
 import (
 	"net"
@@ -9,7 +9,7 @@
 	"sync"
 
 	"github.com/tailscale/xnet/webdav"
-	"tailscale.com/tailfs/tailfsimpl/shared"
+	"tailscale.com/drive/driveimpl/shared"
 )
 
 // FileServer is a standalone WebDAV server that dynamically serves up shares.

drive/driveimpl/local_impl.go

@@ -1,8 +1,8 @@
 // Copyright (c) Tailscale Inc & AUTHORS
 // SPDX-License-Identifier: BSD-3-Clause
 
-// Package tailfsimpl provides an implementation of package tailfs.
+// Package driveimpl provides an implementation of package drive.
-package tailfsimpl
+package driveimpl
 
 import (
 	"log"
@@ -10,9 +10,9 @@
 	"net/http"
 	"time"
 
-	"tailscale.com/tailfs"
+	"tailscale.com/drive"
-	"tailscale.com/tailfs/tailfsimpl/compositedav"
+	"tailscale.com/drive/driveimpl/compositedav"
-	"tailscale.com/tailfs/tailfsimpl/dirfs"
+	"tailscale.com/drive/driveimpl/dirfs"
 	"tailscale.com/types/logger"
 )
 
@@ -69,7 +69,7 @@ func (s *FileSystemForLocal) HandleConn(conn net.Conn, remoteAddr net.Addr) erro
 // SetRemotes sets the complete set of remotes on the given tailnet domain
 // using a map of name -> url. If transport is specified, that transport
 // will be used to connect to these remotes.
-func (s *FileSystemForLocal) SetRemotes(domain string, remotes []*tailfs.Remote, transport http.RoundTripper) {
+func (s *FileSystemForLocal) SetRemotes(domain string, remotes []*drive.Remote, transport http.RoundTripper) {
 	children := make([]*compositedav.Child, 0, len(remotes))
 	for _, remote := range remotes {
 		children = append(children, &compositedav.Child{

drive/driveimpl/remote_impl.go

@@ -1,7 +1,7 @@
 // Copyright (c) Tailscale Inc & AUTHORS
 // SPDX-License-Identifier: BSD-3-Clause
 
-package tailfsimpl
+package driveimpl
 
 import (
 	"bufio"
@@ -23,11 +23,11 @@
 	"time"
 
 	"github.com/tailscale/xnet/webdav"
+	"tailscale.com/drive"
+	"tailscale.com/drive/driveimpl/compositedav"
+	"tailscale.com/drive/driveimpl/dirfs"
+	"tailscale.com/drive/driveimpl/shared"
 	"tailscale.com/safesocket"
-	"tailscale.com/tailfs"
-	"tailscale.com/tailfs/tailfsimpl/compositedav"
-	"tailscale.com/tailfs/tailfsimpl/dirfs"
-	"tailscale.com/tailfs/tailfsimpl/shared"
 	"tailscale.com/types/logger"
 )
 
@@ -53,7 +53,7 @@ type FileSystemForRemote struct {
 	// them, acquire a read lock before reading any of them.
 	mu             sync.RWMutex
 	fileServerAddr string
-	shares         []*tailfs.Share
+	shares         []*drive.Share
 	children       map[string]*compositedav.Child
 	userServers    map[string]*userServer
 }
@@ -67,9 +67,9 @@ func (s *FileSystemForRemote) SetFileServerAddr(addr string) {
 
 // SetShares implements tailfs.FileSystemForRemote. Shares must be sorted
 // according to tailfs.CompareShares.
-func (s *FileSystemForRemote) SetShares(shares []*tailfs.Share) {
+func (s *FileSystemForRemote) SetShares(shares []*drive.Share) {
 	userServers := make(map[string]*userServer)
-	if tailfs.AllowShareAs() {
+	if drive.AllowShareAs() {
 		// Set up per-user server by running the current executable as an
 		// unprivileged user in order to avoid privilege escalation.
 		executable, err := os.Executable()
@@ -112,7 +112,7 @@ func (s *FileSystemForRemote) SetShares(shares []*tailfs.Share) {
 	s.closeChildren(oldChildren)
 }
 
-func (s *FileSystemForRemote) buildChild(share *tailfs.Share) *compositedav.Child {
+func (s *FileSystemForRemote) buildChild(share *drive.Share) *compositedav.Child {
 	return &compositedav.Child{
 		Child: &dirfs.Child{
 			Name: share.Name,
@@ -133,8 +133,8 @@ func (s *FileSystemForRemote) buildChild(share *tailfs.Share) *compositedav.Chil
 				shareName := string(shareNameBytes)
 
 				s.mu.RLock()
-				var share *tailfs.Share
+				var share *drive.Share
-				i, shareFound := slices.BinarySearchFunc(s.shares, shareName, func(s *tailfs.Share, name string) int {
+				i, shareFound := slices.BinarySearchFunc(s.shares, shareName, func(s *drive.Share, name string) int {
 					return strings.Compare(s.Name, name)
 				})
 				if shareFound {
@@ -149,7 +149,7 @@ func (s *FileSystemForRemote) buildChild(share *tailfs.Share) *compositedav.Chil
 				}
 
 				var addr string
-				if !tailfs.AllowShareAs() {
+				if !drive.AllowShareAs() {
 					addr = fileServerAddr
 				} else {
 					userServer, found := userServers[share.As]
@@ -177,17 +177,17 @@ func (s *FileSystemForRemote) buildChild(share *tailfs.Share) *compositedav.Chil
 }
 
 // ServeHTTPWithPerms implements tailfs.FileSystemForRemote.
-func (s *FileSystemForRemote) ServeHTTPWithPerms(permissions tailfs.Permissions, w http.ResponseWriter, r *http.Request) {
+func (s *FileSystemForRemote) ServeHTTPWithPerms(permissions drive.Permissions, w http.ResponseWriter, r *http.Request) {
 	isWrite := writeMethods[r.Method]
 	if isWrite {
 		share := shared.CleanAndSplit(r.URL.Path)[0]
 		switch permissions.For(share) {
-		case tailfs.PermissionNone:
+		case drive.PermissionNone:
 			// If we have no permissions to this share, treat it as not found
 			// to avoid leaking any information about the share's existence.
 			http.Error(w, "not found", http.StatusNotFound)
 			return
-		case tailfs.PermissionReadOnly:
+		case drive.PermissionReadOnly:
 			http.Error(w, "permission denied", http.StatusForbidden)
 			return
 		}
@@ -200,7 +200,7 @@ func (s *FileSystemForRemote) ServeHTTPWithPerms(permissions tailfs.Permissions,
 	children := make([]*compositedav.Child, 0, len(childrenMap))
 	// filter out shares to which the connecting principal has no access
 	for name, child := range childrenMap {
-		if permissions.For(name) == tailfs.PermissionNone {
+		if permissions.For(name) == drive.PermissionNone {
 			continue
 		}
 
@@ -247,7 +247,7 @@ func (s *FileSystemForRemote) Close() error {
 // content is served as that Share.As user.
 type userServer struct {
 	logf       logger.Logf
-	shares     []*tailfs.Share
+	shares     []*drive.Share
 	username   string
 	executable string
 

drive/local.go

@@ -1,13 +1,13 @@
 // Copyright (c) Tailscale Inc & AUTHORS
 // SPDX-License-Identifier: BSD-3-Clause
 
-// Package tailfs provides a filesystem that allows sharing folders between
+// Package drive provides a filesystem that allows sharing folders between
-// Tailscale nodes using WebDAV. The actual implementation of the core TailFS
+// Tailscale nodes using WebDAV. The actual implementation of the core drive
-// functionality lives in package tailfsimpl. These packages are separated to
+// functionality lives in package driveimpl. These packages are separated to
-// allow users of tailfs to refer to the interfaces without having a hard
+// allow users of drive to refer to the interfaces without having a hard
-// dependency on tailfs, so that programs which don't actually use tailfs can
+// dependency on drive, so that programs which don't actually use drive can
 // avoid its transitive dependencies.
-package tailfs
+package drive
 
 import (
 	"net"

drive/remote.go

@@ -1,7 +1,7 @@
 // Copyright (c) Tailscale Inc & AUTHORS
 // SPDX-License-Identifier: BSD-3-Clause
 
-package tailfs
+package drive
 
 //go:generate go run tailscale.com/cmd/viewer --type=Share --clonefunc
 

drive/remote_nonunix.go

@@ -3,7 +3,7 @@
 
 //go:build !unix
 
-package tailfs
+package drive
 
 func doAllowShareAs() bool {
 	// On non-UNIX platforms, we use the GUI application (e.g. Windows taskbar

drive/remote_permissions.go

@@ -1,7 +1,7 @@
 // Copyright (c) Tailscale Inc & AUTHORS
 // SPDX-License-Identifier: BSD-3-Clause
 
-package tailfs
+package drive
 
 import (
 	"encoding/json"

drive/remote_permissions_test.go

@@ -1,7 +1,7 @@
 // Copyright (c) Tailscale Inc & AUTHORS
 // SPDX-License-Identifier: BSD-3-Clause
 
-package tailfs
+package drive
 
 import (
 	"encoding/json"

drive/remote_unix.go

@@ -3,7 +3,7 @@
 
 //go:build unix
 
-package tailfs
+package drive
 
 import "tailscale.com/version"
 

ipn/backend.go

@@ -8,9 +8,9 @@
 	"strings"
 	"time"
 
+	"tailscale.com/drive"
 	"tailscale.com/ipn/ipnstate"
 	"tailscale.com/tailcfg"
-	"tailscale.com/tailfs"
 	"tailscale.com/types/empty"
 	"tailscale.com/types/key"
 	"tailscale.com/types/netmap"
@@ -136,7 +136,7 @@ type Notify struct {
 	// the identity of the unprivileged user that is running the application. A
 	// nil value here means that we're not broadcasting shares information, an
 	// empty value means that there are no shares.
-	TailFSShares views.SliceView[*tailfs.Share, tailfs.ShareView]
+	TailFSShares views.SliceView[*drive.Share, drive.ShareView]
 
 	// type is mirrored in xcode/Shared/IPN.swift
 }

ipn/ipn_clone.go

@@ -9,8 +9,8 @@
 	"maps"
 	"net/netip"
 
+	"tailscale.com/drive"
 	"tailscale.com/tailcfg"
-	"tailscale.com/tailfs"
 	"tailscale.com/types/persist"
 	"tailscale.com/types/preftype"
 )
@@ -26,7 +26,7 @@ func (src *Prefs) Clone() *Prefs {
 	dst.AdvertiseTags = append(src.AdvertiseTags[:0:0], src.AdvertiseTags...)
 	dst.AdvertiseRoutes = append(src.AdvertiseRoutes[:0:0], src.AdvertiseRoutes...)
 	if src.TailFSShares != nil {
-		dst.TailFSShares = make([]*tailfs.Share, len(src.TailFSShares))
+		dst.TailFSShares = make([]*drive.Share, len(src.TailFSShares))
 		for i := range dst.TailFSShares {
 			dst.TailFSShares[i] = src.TailFSShares[i].Clone()
 		}
@@ -63,7 +63,7 @@ func (src *Prefs) Clone() *Prefs {
 	AppConnector           AppConnectorPrefs
 	PostureChecking        bool
 	NetfilterKind          string
-	TailFSShares           []*tailfs.Share
+	TailFSShares           []*drive.Share
 	Persist                *persist.Persist
 }{})
 

ipn/ipn_view.go

@@ -10,8 +10,8 @@
 	"errors"
 	"net/netip"
 
+	"tailscale.com/drive"
 	"tailscale.com/tailcfg"
-	"tailscale.com/tailfs"
 	"tailscale.com/types/persist"
 	"tailscale.com/types/preftype"
 	"tailscale.com/types/views"
@@ -92,8 +92,8 @@ func (v PrefsView) AutoUpdate() AutoUpdatePrefs           { return v.ж.AutoUpda
 func (v PrefsView) AppConnector() AppConnectorPrefs       { return v.ж.AppConnector }
 func (v PrefsView) PostureChecking() bool                 { return v.ж.PostureChecking }
 func (v PrefsView) NetfilterKind() string                 { return v.ж.NetfilterKind }
-func (v PrefsView) TailFSShares() views.SliceView[*tailfs.Share, tailfs.ShareView] {
+func (v PrefsView) TailFSShares() views.SliceView[*drive.Share, drive.ShareView] {
-	return views.SliceOfViews[*tailfs.Share, tailfs.ShareView](v.ж.TailFSShares)
+	return views.SliceOfViews[*drive.Share, drive.ShareView](v.ж.TailFSShares)
 }
 func (v PrefsView) Persist() persist.PersistView { return v.ж.Persist.View() }
 
@@ -125,7 +125,7 @@ func (v PrefsView) Persist() persist.PersistView { return v.ж.Persist.View() }
 	AppConnector           AppConnectorPrefs
 	PostureChecking        bool
 	NetfilterKind          string
-	TailFSShares           []*tailfs.Share
+	TailFSShares           []*drive.Share
 	Persist                *persist.Persist
 }{})
 

ipn/ipnlocal/drive.go

@@ -11,9 +11,9 @@
 	"slices"
 	"strings"
 
+	"tailscale.com/drive"
 	"tailscale.com/ipn"
 	"tailscale.com/tailcfg"
-	"tailscale.com/tailfs"
 	"tailscale.com/types/netmap"
 	"tailscale.com/types/views"
 )
@@ -73,7 +73,7 @@ func (b *LocalBackend) TailFSSetFileServerAddr(addr string) error {
 // replaces the existing share if one with the same name already exists. To
 // avoid potential incompatibilities across file systems, share names are
 // limited to alphanumeric characters and the underscore _.
-func (b *LocalBackend) TailFSSetShare(share *tailfs.Share) error {
+func (b *LocalBackend) TailFSSetShare(share *drive.Share) error {
 	var err error
 	share.Name, err = normalizeShareName(share.Name)
 	if err != nil {
@@ -108,7 +108,7 @@ func normalizeShareName(name string) (string, error) {
 	return name, nil
 }
 
-func (b *LocalBackend) tailFSSetShareLocked(share *tailfs.Share) (views.SliceView[*tailfs.Share, tailfs.ShareView], error) {
+func (b *LocalBackend) tailFSSetShareLocked(share *drive.Share) (views.SliceView[*drive.Share, drive.ShareView], error) {
 	existingShares := b.pm.prefs.TailFSShares()
 
 	fs, ok := b.sys.TailFSForRemote.GetOK()
@@ -117,7 +117,7 @@ func (b *LocalBackend) tailFSSetShareLocked(share *tailfs.Share) (views.SliceVie
 	}
 
 	addedShare := false
-	var shares []*tailfs.Share
+	var shares []*drive.Share
 	for i := 0; i < existingShares.Len(); i++ {
 		existing := existingShares.At(i)
 		if existing.Name() != share.Name {
@@ -167,7 +167,7 @@ func (b *LocalBackend) TailFSRenameShare(oldName, newName string) error {
 	return nil
 }
 
-func (b *LocalBackend) tailFSRenameShareLocked(oldName, newName string) (views.SliceView[*tailfs.Share, tailfs.ShareView], error) {
+func (b *LocalBackend) tailFSRenameShareLocked(oldName, newName string) (views.SliceView[*drive.Share, drive.ShareView], error) {
 	existingShares := b.pm.prefs.TailFSShares()
 
 	fs, ok := b.sys.TailFSForRemote.GetOK()
@@ -176,7 +176,7 @@ func (b *LocalBackend) tailFSRenameShareLocked(oldName, newName string) (views.S
 	}
 
 	found := false
-	var shares []*tailfs.Share
+	var shares []*drive.Share
 	for i := 0; i < existingShares.Len(); i++ {
 		existing := existingShares.At(i)
 		if existing.Name() == newName {
@@ -196,7 +196,7 @@ func (b *LocalBackend) tailFSRenameShareLocked(oldName, newName string) (views.S
 		return existingShares, os.ErrNotExist
 	}
 
-	slices.SortFunc(shares, tailfs.CompareShares)
+	slices.SortFunc(shares, drive.CompareShares)
 	err := b.tailFSSetSharesLocked(shares)
 	if err != nil {
 		return existingShares, err
@@ -228,7 +228,7 @@ func (b *LocalBackend) TailFSRemoveShare(name string) error {
 	return nil
 }
 
-func (b *LocalBackend) tailFSRemoveShareLocked(name string) (views.SliceView[*tailfs.Share, tailfs.ShareView], error) {
+func (b *LocalBackend) tailFSRemoveShareLocked(name string) (views.SliceView[*drive.Share, drive.ShareView], error) {
 	existingShares := b.pm.prefs.TailFSShares()
 
 	fs, ok := b.sys.TailFSForRemote.GetOK()
@@ -237,7 +237,7 @@ func (b *LocalBackend) tailFSRemoveShareLocked(name string) (views.SliceView[*ta
 	}
 
 	found := false
-	var shares []*tailfs.Share
+	var shares []*drive.Share
 	for i := 0; i < existingShares.Len(); i++ {
 		existing := existingShares.At(i)
 		if existing.Name() != name {
@@ -260,7 +260,7 @@ func (b *LocalBackend) tailFSRemoveShareLocked(name string) (views.SliceView[*ta
 	return b.pm.prefs.TailFSShares(), nil
 }
 
-func (b *LocalBackend) tailFSSetSharesLocked(shares []*tailfs.Share) error {
+func (b *LocalBackend) tailFSSetSharesLocked(shares []*drive.Share) error {
 	prefs := b.pm.prefs.AsStruct()
 	prefs.ApplyEdits(&ipn.MaskedPrefs{
 		Prefs: ipn.Prefs{
@@ -273,10 +273,10 @@ func (b *LocalBackend) tailFSSetSharesLocked(shares []*tailfs.Share) error {
 
 // tailFSNotifyShares notifies IPN bus listeners (e.g. Mac Application process)
 // about the latest list of shares.
-func (b *LocalBackend) tailFSNotifyShares(shares views.SliceView[*tailfs.Share, tailfs.ShareView]) {
+func (b *LocalBackend) tailFSNotifyShares(shares views.SliceView[*drive.Share, drive.ShareView]) {
 	// Ensures shares is not nil to distinguish "no shares" from "not notifying shares"
 	if shares.IsNil() {
-		shares = views.SliceOfViews(make([]*tailfs.Share, 0))
+		shares = views.SliceOfViews(make([]*drive.Share, 0))
 	}
 	b.send(ipn.Notify{TailFSShares: shares})
 }
@@ -284,7 +284,7 @@ func (b *LocalBackend) tailFSNotifyShares(shares views.SliceView[*tailfs.Share,
 // tailFSNotifyCurrentSharesLocked sends an ipn.Notify if the current set of
 // shares has changed since the last notification.
 func (b *LocalBackend) tailFSNotifyCurrentSharesLocked() {
-	var shares views.SliceView[*tailfs.Share, tailfs.ShareView]
+	var shares views.SliceView[*drive.Share, drive.ShareView]
 	if b.tailFSSharingEnabledLocked() {
 		// Only populate shares if sharing is enabled.
 		shares = b.pm.prefs.TailFSShares()
@@ -297,7 +297,7 @@ func (b *LocalBackend) tailFSNotifyCurrentSharesLocked() {
 	}
 }
 
-func tailFSShareViewsEqual(a *views.SliceView[*tailfs.Share, tailfs.ShareView], b views.SliceView[*tailfs.Share, tailfs.ShareView]) bool {
+func tailFSShareViewsEqual(a *views.SliceView[*drive.Share, drive.ShareView], b views.SliceView[*drive.Share, drive.ShareView]) bool {
 	if a == nil {
 		return false
 	}
@@ -307,7 +307,7 @@ func tailFSShareViewsEqual(a *views.SliceView[*tailfs.Share, tailfs.ShareView],
 	}
 
 	for i := 0; i < a.Len(); i++ {
-		if !tailfs.ShareViewsEqual(a.At(i), b.At(i)) {
+		if !drive.ShareViewsEqual(a.At(i), b.At(i)) {
 			return false
 		}
 	}
@@ -316,7 +316,7 @@ func tailFSShareViewsEqual(a *views.SliceView[*tailfs.Share, tailfs.ShareView],
 }
 
 // TailFSGetShares() gets the current list of TailFS shares, sorted by name.
-func (b *LocalBackend) TailFSGetShares() views.SliceView[*tailfs.Share, tailfs.ShareView] {
+func (b *LocalBackend) TailFSGetShares() views.SliceView[*drive.Share, drive.ShareView] {
 	b.mu.Lock()
 	defer b.mu.Unlock()
 
@@ -331,7 +331,7 @@ func (b *LocalBackend) updateTailFSPeersLocked(nm *netmap.NetworkMap) {
 		return
 	}
 
-	var tailFSRemotes []*tailfs.Remote
+	var tailFSRemotes []*drive.Remote
 	if b.tailFSAccessEnabledLocked() {
 		// Only populate peers if access is enabled, otherwise leave blank.
 		tailFSRemotes = b.tailFSRemotesFromPeers(nm)
@@ -340,8 +340,8 @@ func (b *LocalBackend) updateTailFSPeersLocked(nm *netmap.NetworkMap) {
 	fs.SetRemotes(b.netMap.Domain, tailFSRemotes, &tailFSTransport{b: b})
 }
 
-func (b *LocalBackend) tailFSRemotesFromPeers(nm *netmap.NetworkMap) []*tailfs.Remote {
+func (b *LocalBackend) tailFSRemotesFromPeers(nm *netmap.NetworkMap) []*drive.Remote {
-	tailFSRemotes := make([]*tailfs.Remote, 0, len(nm.Peers))
+	tailFSRemotes := make([]*drive.Remote, 0, len(nm.Peers))
 	for _, p := range nm.Peers {
 		// Exclude mullvad exit nodes from list of TailFS peers
 		// TODO(oxtoacart) - once we have a better mechanism for finding only accessible sharers
@@ -352,7 +352,7 @@ func (b *LocalBackend) tailFSRemotesFromPeers(nm *netmap.NetworkMap) []*tailfs.R
 
 		peerID := p.ID()
 		url := fmt.Sprintf("%s/%s", peerAPIBase(nm, p), tailFSPrefix[1:])
-		tailFSRemotes = append(tailFSRemotes, &tailfs.Remote{
+		tailFSRemotes = append(tailFSRemotes, &drive.Remote{
 			Name: p.DisplayName(false),
 			URL:  url,
 			Available: func() bool {

ipn/ipnlocal/local.go

@@ -43,6 +43,7 @@
 	"tailscale.com/doctor/ethtool"
 	"tailscale.com/doctor/permissions"
 	"tailscale.com/doctor/routetable"
+	"tailscale.com/drive"
 	"tailscale.com/envknob"
 	"tailscale.com/health"
 	"tailscale.com/health/healthmsg"
@@ -69,7 +70,6 @@
 	"tailscale.com/syncs"
 	"tailscale.com/tailcfg"
 	"tailscale.com/taildrop"
-	"tailscale.com/tailfs"
 	"tailscale.com/tka"
 	"tailscale.com/tsd"
 	"tailscale.com/tstime"
@@ -318,7 +318,7 @@ type LocalBackend struct {
 
 	// lastNotifiedTailFSShares keeps track of the last set of shares that we
 	// notified about.
-	lastNotifiedTailFSShares atomic.Pointer[views.SliceView[*tailfs.Share, tailfs.ShareView]]
+	lastNotifiedTailFSShares atomic.Pointer[views.SliceView[*drive.Share, drive.ShareView]]
 
 	// outgoingFiles keeps track of Taildrop outgoing files keyed to their OutgoingFile.ID
 	outgoingFiles map[string]*ipn.OutgoingFile
@@ -447,7 +447,7 @@ func NewLocalBackend(logf logger.Logf, logID logid.PublicID, sys *tsd.System, lo
 	if ok {
 		currentShares := b.pm.prefs.TailFSShares()
 		if currentShares.Len() > 0 {
-			var shares []*tailfs.Share
+			var shares []*drive.Share
 			for i := 0; i < currentShares.Len(); i++ {
 				shares = append(shares, currentShares.At(i).AsStruct())
 			}

ipn/ipnlocal/local_test.go

@@ -24,13 +24,13 @@
 	"tailscale.com/appc"
 	"tailscale.com/appc/appctest"
 	"tailscale.com/control/controlclient"
+	"tailscale.com/drive"
+	"tailscale.com/drive/driveimpl"
 	"tailscale.com/ipn"
 	"tailscale.com/ipn/store/mem"
 	"tailscale.com/net/interfaces"
 	"tailscale.com/net/tsaddr"
 	"tailscale.com/tailcfg"
-	"tailscale.com/tailfs"
-	"tailscale.com/tailfs/tailfsimpl"
 	"tailscale.com/tsd"
 	"tailscale.com/tstest"
 	"tailscale.com/types/dnstype"
@@ -2250,20 +2250,20 @@ func TestTailFSManageShares(t *testing.T) {
 	tests := []struct {
 		name     string
 		disabled bool
-		existing []*tailfs.Share
+		existing []*drive.Share
-		add      *tailfs.Share
+		add      *drive.Share
 		remove   string
 		rename   [2]string
 		expect   any
 	}{
 		{
 			name: "append",
-			existing: []*tailfs.Share{
+			existing: []*drive.Share{
 				{Name: "b"},
 				{Name: "d"},
 			},
-			add: &tailfs.Share{Name: "  E  "},
+			add: &drive.Share{Name: "  E  "},
-			expect: []*tailfs.Share{
+			expect: []*drive.Share{
 				{Name: "b"},
 				{Name: "d"},
 				{Name: "e"},
@@ -2271,12 +2271,12 @@ func TestTailFSManageShares(t *testing.T) {
 		},
 		{
 			name: "prepend",
-			existing: []*tailfs.Share{
+			existing: []*drive.Share{
 				{Name: "b"},
 				{Name: "d"},
 			},
-			add: &tailfs.Share{Name: "  A  "},
+			add: &drive.Share{Name: "  A  "},
-			expect: []*tailfs.Share{
+			expect: []*drive.Share{
 				{Name: "a"},
 				{Name: "b"},
 				{Name: "d"},
@@ -2284,12 +2284,12 @@ func TestTailFSManageShares(t *testing.T) {
 		},
 		{
 			name: "insert",
-			existing: []*tailfs.Share{
+			existing: []*drive.Share{
 				{Name: "b"},
 				{Name: "d"},
 			},
-			add: &tailfs.Share{Name: "  C  "},
+			add: &drive.Share{Name: "  C  "},
-			expect: []*tailfs.Share{
+			expect: []*drive.Share{
 				{Name: "b"},
 				{Name: "c"},
 				{Name: "d"},
@@ -2297,43 +2297,43 @@ func TestTailFSManageShares(t *testing.T) {
 		},
 		{
 			name: "replace",
-			existing: []*tailfs.Share{
+			existing: []*drive.Share{
 				{Name: "b", Path: "i"},
 				{Name: "d"},
 			},
-			add: &tailfs.Share{Name: "  B  ", Path: "ii"},
+			add: &drive.Share{Name: "  B  ", Path: "ii"},
-			expect: []*tailfs.Share{
+			expect: []*drive.Share{
 				{Name: "b", Path: "ii"},
 				{Name: "d"},
 			},
 		},
 		{
 			name:   "add_bad_name",
-			add:    &tailfs.Share{Name: "$"},
+			add:    &drive.Share{Name: "$"},
 			expect: ErrInvalidShareName,
 		},
 		{
 			name:     "add_disabled",
 			disabled: true,
-			add:      &tailfs.Share{Name: "a"},
+			add:      &drive.Share{Name: "a"},
 			expect:   ErrTailFSNotEnabled,
 		},
 		{
 			name: "remove",
-			existing: []*tailfs.Share{
+			existing: []*drive.Share{
 				{Name: "a"},
 				{Name: "b"},
 				{Name: "c"},
 			},
 			remove: "b",
-			expect: []*tailfs.Share{
+			expect: []*drive.Share{
 				{Name: "a"},
 				{Name: "c"},
 			},
 		},
 		{
 			name: "remove_non_existing",
-			existing: []*tailfs.Share{
+			existing: []*drive.Share{
 				{Name: "a"},
 				{Name: "b"},
 				{Name: "c"},
@@ -2349,19 +2349,19 @@ func TestTailFSManageShares(t *testing.T) {
 		},
 		{
 			name: "rename",
-			existing: []*tailfs.Share{
+			existing: []*drive.Share{
 				{Name: "a"},
 				{Name: "b"},
 			},
 			rename: [2]string{"a", "  C  "},
-			expect: []*tailfs.Share{
+			expect: []*drive.Share{
 				{Name: "b"},
 				{Name: "c"},
 			},
 		},
 		{
 			name: "rename_not_exist",
-			existing: []*tailfs.Share{
+			existing: []*drive.Share{
 				{Name: "a"},
 				{Name: "b"},
 			},
@@ -2370,7 +2370,7 @@ func TestTailFSManageShares(t *testing.T) {
 		},
 		{
 			name: "rename_exists",
-			existing: []*tailfs.Share{
+			existing: []*drive.Share{
 				{Name: "a"},
 				{Name: "b"},
 			},
@@ -2390,9 +2390,9 @@ func TestTailFSManageShares(t *testing.T) {
 		},
 	}
 
-	tailfs.DisallowShareAs = true
+	drive.DisallowShareAs = true
 	t.Cleanup(func() {
-		tailfs.DisallowShareAs = false
+		drive.DisallowShareAs = false
 	})
 
 	for _, tt := range tests {
@@ -2406,14 +2406,14 @@ func TestTailFSManageShares(t *testing.T) {
 				self := b.netMap.SelfNode.AsStruct()
 				self.CapMap = tailcfg.NodeCapMap{tailcfg.NodeAttrsTailFSShare: nil}
 				b.netMap.SelfNode = self.View()
-				b.sys.Set(tailfsimpl.NewFileSystemForRemote(b.logf))
+				b.sys.Set(driveimpl.NewFileSystemForRemote(b.logf))
 			}
 			b.mu.Unlock()
 
 			ctx, cancel := context.WithTimeout(context.Background(), 2*time.Second)
 			t.Cleanup(cancel)
 
-			result := make(chan views.SliceView[*tailfs.Share, tailfs.ShareView], 1)
+			result := make(chan views.SliceView[*drive.Share, drive.ShareView], 1)
 
 			var wg sync.WaitGroup
 			wg.Add(1)
@@ -2447,7 +2447,7 @@ func(n *ipn.Notify) bool {
 				if !errors.Is(err, e) {
 					t.Errorf("expected error, want: %v got: %v", e, err)
 				}
-			case []*tailfs.Share:
+			case []*drive.Share:
 				if err != nil {
 					t.Errorf("unexpected error: %v", err)
 				} else {

ipn/ipnlocal/peerapi.go

@@ -29,6 +29,7 @@
 	"github.com/kortschak/wol"
 	"golang.org/x/net/dns/dnsmessage"
 	"golang.org/x/net/http/httpguts"
+	"tailscale.com/drive"
 	"tailscale.com/envknob"
 	"tailscale.com/health"
 	"tailscale.com/hostinfo"
@@ -39,7 +40,6 @@
 	"tailscale.com/net/sockstats"
 	"tailscale.com/tailcfg"
 	"tailscale.com/taildrop"
-	"tailscale.com/tailfs"
 	"tailscale.com/types/views"
 	"tailscale.com/util/clientmetric"
 	"tailscale.com/util/httphdr"
@@ -1161,7 +1161,7 @@ func (h *peerAPIHandler) handleServeTailFS(w http.ResponseWriter, r *http.Reques
 		rawPerms = append(rawPerms, []byte(cap))
 	}
 
-	p, err := tailfs.ParsePermissions(rawPerms)
+	p, err := drive.ParsePermissions(rawPerms)
 	if err != nil {
 		h.logf("tailfs: error parsing permissions: %w", err.Error())
 		http.Error(w, err.Error(), http.StatusInternalServerError)

ipn/localapi/localapi.go

@@ -34,6 +34,7 @@
 	"github.com/google/uuid"
 	"tailscale.com/client/tailscale/apitype"
 	"tailscale.com/clientupdate"
+	"tailscale.com/drive"
 	"tailscale.com/envknob"
 	"tailscale.com/health"
 	"tailscale.com/hostinfo"
@@ -47,7 +48,6 @@
 	"tailscale.com/net/portmapper"
 	"tailscale.com/tailcfg"
 	"tailscale.com/taildrop"
-	"tailscale.com/tailfs"
 	"tailscale.com/tka"
 	"tailscale.com/tstime"
 	"tailscale.com/types/key"
@@ -2765,7 +2765,7 @@ func (h *Handler) serveShares(w http.ResponseWriter, r *http.Request) {
 	}
 	switch r.Method {
 	case "PUT":
-		var share tailfs.Share
+		var share drive.Share
 		err := json.NewDecoder(r.Body).Decode(&share)
 		if err != nil {
 			http.Error(w, err.Error(), http.StatusBadRequest)
@@ -2781,7 +2781,7 @@ func (h *Handler) serveShares(w http.ResponseWriter, r *http.Request) {
 			http.Error(w, "not a directory", http.StatusBadRequest)
 			return
 		}
-		if tailfs.AllowShareAs() {
+		if drive.AllowShareAs() {
 			// share as the connected user
 			username, err := h.getUsername()
 			if err != nil {

ipn/prefs.go

@@ -18,11 +18,11 @@
 	"strings"
 
 	"tailscale.com/atomicfile"
+	"tailscale.com/drive"
 	"tailscale.com/ipn/ipnstate"
 	"tailscale.com/net/netaddr"
 	"tailscale.com/net/tsaddr"
 	"tailscale.com/tailcfg"
-	"tailscale.com/tailfs"
 	"tailscale.com/types/opt"
 	"tailscale.com/types/persist"
 	"tailscale.com/types/preftype"
@@ -227,7 +227,7 @@ type Prefs struct {
 
 	// TailFSShares are the configured TailFSShares, stored in increasing order
 	// by name.
-	TailFSShares []*tailfs.Share
+	TailFSShares []*drive.Share
 
 	// The Persist field is named 'Config' in the file for backward
 	// compatibility with earlier versions.
@@ -564,7 +564,7 @@ func (p *Prefs) Equals(p2 *Prefs) bool {
 		p.AutoUpdate.Equals(p2.AutoUpdate) &&
 		p.AppConnector == p2.AppConnector &&
 		p.PostureChecking == p2.PostureChecking &&
-		slices.EqualFunc(p.TailFSShares, p2.TailFSShares, tailfs.SharesEqual) &&
+		slices.EqualFunc(p.TailFSShares, p2.TailFSShares, drive.SharesEqual) &&
 		p.NetfilterKind == p2.NetfilterKind
 }
 

tailcfg/tailcfg_test.go

@@ -848,9 +848,9 @@ func TestDeps(t *testing.T) {
 	deptest.DepChecker{
 		BadDeps: map[string]string{
 			// Make sure we don't again accidentally bring in a dependency on
-			// TailFS or its transitive dependencies
+			// drive or its transitive dependencies
-			"tailscale.com/tailfs/tailfsimpl": "https://github.com/tailscale/tailscale/pull/10631",
+			"tailscale.com/drive/driveimpl":  "https://github.com/tailscale/tailscale/pull/10631",
-			"github.com/studio-b12/gowebdav":  "https://github.com/tailscale/tailscale/pull/10631",
+			"github.com/studio-b12/gowebdav": "https://github.com/tailscale/tailscale/pull/10631",
 		},
 	}.Check(t)
 }

tsd/tsd.go

@@ -22,6 +22,7 @@
 	"reflect"
 
 	"tailscale.com/control/controlknobs"
+	"tailscale.com/drive"
 	"tailscale.com/ipn"
 	"tailscale.com/ipn/conffile"
 	"tailscale.com/net/dns"
@@ -29,7 +30,6 @@
 	"tailscale.com/net/tsdial"
 	"tailscale.com/net/tstun"
 	"tailscale.com/proxymap"
-	"tailscale.com/tailfs"
 	"tailscale.com/types/netmap"
 	"tailscale.com/wgengine"
 	"tailscale.com/wgengine/magicsock"
@@ -48,8 +48,8 @@ type System struct {
 	Tun             SubSystem[*tstun.Wrapper]
 	StateStore      SubSystem[ipn.StateStore]
 	Netstack        SubSystem[NetstackImpl] // actually a *netstack.Impl
-	TailFSForLocal  SubSystem[tailfs.FileSystemForLocal]
+	TailFSForLocal  SubSystem[drive.FileSystemForLocal]
-	TailFSForRemote SubSystem[tailfs.FileSystemForRemote]
+	TailFSForRemote SubSystem[drive.FileSystemForRemote]
 
 	// InitialConfig is initial server config, if any.
 	// It is nil if the node is not in declarative mode.
@@ -101,9 +101,9 @@ type ft interface {
 		s.StateStore.Set(v)
 	case NetstackImpl:
 		s.Netstack.Set(v)
-	case tailfs.FileSystemForLocal:
+	case drive.FileSystemForLocal:
 		s.TailFSForLocal.Set(v)
-	case tailfs.FileSystemForRemote:
+	case drive.FileSystemForRemote:
 		s.TailFSForRemote.Set(v)
 	default:
 		panic(fmt.Sprintf("unknown type %T", v))

tstest/integration/tailscaled_deps_test_darwin.go

@@ -15,6 +15,7 @@
 	_ "tailscale.com/cmd/tailscaled/childproc"
 	_ "tailscale.com/control/controlclient"
 	_ "tailscale.com/derp/derphttp"
+	_ "tailscale.com/drive/driveimpl"
 	_ "tailscale.com/envknob"
 	_ "tailscale.com/ipn"
 	_ "tailscale.com/ipn/conffile"
@@ -38,7 +39,6 @@
 	_ "tailscale.com/ssh/tailssh"
 	_ "tailscale.com/syncs"
 	_ "tailscale.com/tailcfg"
-	_ "tailscale.com/tailfs/tailfsimpl"
 	_ "tailscale.com/tsd"
 	_ "tailscale.com/tsweb/varz"
 	_ "tailscale.com/types/flagtype"

tstest/integration/tailscaled_deps_test_freebsd.go

@@ -15,6 +15,7 @@
 	_ "tailscale.com/cmd/tailscaled/childproc"
 	_ "tailscale.com/control/controlclient"
 	_ "tailscale.com/derp/derphttp"
+	_ "tailscale.com/drive/driveimpl"
 	_ "tailscale.com/envknob"
 	_ "tailscale.com/ipn"
 	_ "tailscale.com/ipn/conffile"
@@ -38,7 +39,6 @@
 	_ "tailscale.com/ssh/tailssh"
 	_ "tailscale.com/syncs"
 	_ "tailscale.com/tailcfg"
-	_ "tailscale.com/tailfs/tailfsimpl"
 	_ "tailscale.com/tsd"
 	_ "tailscale.com/tsweb/varz"
 	_ "tailscale.com/types/flagtype"

tstest/integration/tailscaled_deps_test_linux.go

@@ -15,6 +15,7 @@
 	_ "tailscale.com/cmd/tailscaled/childproc"
 	_ "tailscale.com/control/controlclient"
 	_ "tailscale.com/derp/derphttp"
+	_ "tailscale.com/drive/driveimpl"
 	_ "tailscale.com/envknob"
 	_ "tailscale.com/ipn"
 	_ "tailscale.com/ipn/conffile"
@@ -38,7 +39,6 @@
 	_ "tailscale.com/ssh/tailssh"
 	_ "tailscale.com/syncs"
 	_ "tailscale.com/tailcfg"
-	_ "tailscale.com/tailfs/tailfsimpl"
 	_ "tailscale.com/tsd"
 	_ "tailscale.com/tsweb/varz"
 	_ "tailscale.com/types/flagtype"

tstest/integration/tailscaled_deps_test_openbsd.go

@@ -15,6 +15,7 @@
 	_ "tailscale.com/cmd/tailscaled/childproc"
 	_ "tailscale.com/control/controlclient"
 	_ "tailscale.com/derp/derphttp"
+	_ "tailscale.com/drive/driveimpl"
 	_ "tailscale.com/envknob"
 	_ "tailscale.com/ipn"
 	_ "tailscale.com/ipn/conffile"
@@ -38,7 +39,6 @@
 	_ "tailscale.com/ssh/tailssh"
 	_ "tailscale.com/syncs"
 	_ "tailscale.com/tailcfg"
-	_ "tailscale.com/tailfs/tailfsimpl"
 	_ "tailscale.com/tsd"
 	_ "tailscale.com/tsweb/varz"
 	_ "tailscale.com/types/flagtype"

tstest/integration/tailscaled_deps_test_windows.go

@@ -22,6 +22,7 @@
 	_ "tailscale.com/cmd/tailscaled/childproc"
 	_ "tailscale.com/control/controlclient"
 	_ "tailscale.com/derp/derphttp"
+	_ "tailscale.com/drive/driveimpl"
 	_ "tailscale.com/envknob"
 	_ "tailscale.com/ipn"
 	_ "tailscale.com/ipn/conffile"
@@ -45,7 +46,6 @@
 	_ "tailscale.com/safesocket"
 	_ "tailscale.com/syncs"
 	_ "tailscale.com/tailcfg"
-	_ "tailscale.com/tailfs/tailfsimpl"
 	_ "tailscale.com/tsd"
 	_ "tailscale.com/tsweb/varz"
 	_ "tailscale.com/types/flagtype"

wgengine/netstack/netstack.go

@@ -36,6 +36,7 @@
 	"gvisor.dev/gvisor/pkg/tcpip/transport/tcp"
 	"gvisor.dev/gvisor/pkg/tcpip/transport/udp"
 	"gvisor.dev/gvisor/pkg/waiter"
+	"tailscale.com/drive"
 	"tailscale.com/envknob"
 	"tailscale.com/ipn/ipnlocal"
 	"tailscale.com/metrics"
@@ -48,7 +49,6 @@
 	"tailscale.com/proxymap"
 	"tailscale.com/syncs"
 	"tailscale.com/tailcfg"
-	"tailscale.com/tailfs"
 	"tailscale.com/types/ipproto"
 	"tailscale.com/types/logger"
 	"tailscale.com/types/netmap"
@@ -189,7 +189,7 @@ type Impl struct {
 	ctxCancel      context.CancelFunc     // called on Close
 	lb             *ipnlocal.LocalBackend // or nil
 	dns            *dns.Manager
-	tailFSForLocal tailfs.FileSystemForLocal // or nil
+	tailFSForLocal drive.FileSystemForLocal // or nil
 
 	peerapiPort4Atomic atomic.Uint32 // uint16 port number for IPv4 peerapi
 	peerapiPort6Atomic atomic.Uint32 // uint16 port number for IPv6 peerapi
@@ -248,7 +248,7 @@ type Impl struct {
 const maxUDPPacketSize = tstun.MaxPacketSize
 
 // Create creates and populates a new Impl.
-func Create(logf logger.Logf, tundev *tstun.Wrapper, e wgengine.Engine, mc *magicsock.Conn, dialer *tsdial.Dialer, dns *dns.Manager, pm *proxymap.Mapper, tailFSForLocal tailfs.FileSystemForLocal) (*Impl, error) {
+func Create(logf logger.Logf, tundev *tstun.Wrapper, e wgengine.Engine, mc *magicsock.Conn, dialer *tsdial.Dialer, dns *dns.Manager, pm *proxymap.Mapper, tailFSForLocal drive.FileSystemForLocal) (*Impl, error) {
 	if mc == nil {
 		return nil, errors.New("nil magicsock.Conn")
 	}

wgengine/userspace.go

@@ -21,6 +21,7 @@
 	"github.com/tailscale/wireguard-go/device"
 	"github.com/tailscale/wireguard-go/tun"
 	"tailscale.com/control/controlknobs"
+	"tailscale.com/drive"
 	"tailscale.com/envknob"
 	"tailscale.com/health"
 	"tailscale.com/ipn/ipnstate"
@@ -35,7 +36,6 @@
 	"tailscale.com/net/tstun"
 	"tailscale.com/syncs"
 	"tailscale.com/tailcfg"
-	"tailscale.com/tailfs"
 	"tailscale.com/tstime/mono"
 	"tailscale.com/types/dnstype"
 	"tailscale.com/types/ipproto"
@@ -206,7 +206,7 @@ type Config struct {
 
 	// TailFSForLocal, if populated, will cause the engine to expose a TailFS
 	// listener at 100.100.100.100:8080.
-	TailFSForLocal tailfs.FileSystemForLocal
+	TailFSForLocal drive.FileSystemForLocal
 }
 
 // NewFakeUserspaceEngine returns a new userspace engine for testing.