all: fix spelling mistakes

Signed-off-by: Josh Soref <2119212+jsoref@users.noreply.github.com>

ipn/backend.go

@@ -69,7 +69,7 @@ type Notify struct {
 	State         *State             // if non-nil, the new or current IPN state
 	Prefs         *Prefs             // if non-nil, the new or current preferences
 	NetMap        *netmap.NetworkMap // if non-nil, the new or current netmap
-	Engine        *EngineStatus      // if non-nil, the new or urrent wireguard stats
+	Engine        *EngineStatus      // if non-nil, the new or current wireguard stats
 	BrowseToURL   *string            // if non-nil, UI should open a browser right now
 	BackendLogID  *string            // if non-nil, the public logtail ID used by backend
 

ipn/ipnlocal/local.go

@@ -2173,7 +2173,7 @@ func (b *LocalBackend) GetPeerAPIPort(ip netip.Addr) (port uint16, ok bool) {
 // ServePeerAPIConnection serves an already-accepted connection c.
 //
 // The remote parameter is the remote address.
-// The local paramater is the local address (either a Tailscale IPv4
+// The local parameter is the local address (either a Tailscale IPv4
 // or IPv6 IP and the peerapi port for that address).
 //
 // The connection will be closed by ServePeerAPIConnection.
@@ -3027,7 +3027,7 @@ func (b *LocalBackend) RequestEngineStatus() {
 // that have happened. It is invoked from the various callbacks that
 // feed events into LocalBackend.
 //
-// TODO(apenwarr): use a channel or something to prevent re-entrancy?
+// TODO(apenwarr): use a channel or something to prevent reentrancy?
 // Or maybe just call the state machine from fewer places.
 func (b *LocalBackend) stateMachine() {
 	b.enterState(b.nextState())
@@ -3087,7 +3087,7 @@ func (b *LocalBackend) ResetForClientDisconnect() {
 
 func (b *LocalBackend) ShouldRunSSH() bool { return b.sshAtomicBool.Load() && envknob.CanSSHD() }
 
-// ShouldHandleViaIP reports whether whether ip is an IPv6 address in the
+// ShouldHandleViaIP reports whether ip is an IPv6 address in the
 // Tailscale ULA's v6 "via" range embedding an IPv4 address to be forwarded to
 // by Tailscale.
 func (b *LocalBackend) ShouldHandleViaIP(ip netip.Addr) bool {
@@ -3605,7 +3605,7 @@ func (b *LocalBackend) magicConn() (*magicsock.Conn, error) {
 	return mc, nil
 }
 
-// DoNoiseRequest sends a request to URL over the the control plane
+// DoNoiseRequest sends a request to URL over the control plane
 // Noise connection.
 func (b *LocalBackend) DoNoiseRequest(req *http.Request) (*http.Response, error) {
 	b.mu.Lock()

ipn/ipnlocal/network-lock.go

@@ -44,10 +44,10 @@ type tkaState struct {
 //
 // There are 4 scenarios handled here:
 //   - Enablement: nm.TKAEnabled but b.tka == nil
-//     ∴ reach out to /machine/tka/boostrap to get the genesis AUM, then
+//     ∴ reach out to /machine/tka/bootstrap to get the genesis AUM, then
 //     initialize TKA.
 //   - Disablement: !nm.TKAEnabled but b.tka != nil
-//     ∴ reach out to /machine/tka/boostrap to read the disablement secret,
+//     ∴ reach out to /machine/tka/bootstrap to read the disablement secret,
 //     then verify and clear tka local state.
 //   - Sync needed: b.tka.Head != nm.TKAHead
 //     ∴ complete multi-step synchronization flow.

ipn/ipnlocal/peerapi.go

@@ -79,7 +79,7 @@ type peerAPIServer struct {
 }
 
 const (
-	// partialSuffix is the suffix appened to files while they're
+	// partialSuffix is the suffix appended to files while they're
 	// still in the process of being transferred.
 	partialSuffix = ".partial"
 
@@ -1184,7 +1184,7 @@ func newFakePeerAPIListener(ip netip.Addr) net.Listener {
 // even if the kernel isn't cooperating (like on Android: Issue 4449, 4293, etc)
 // or we lack permission to listen on a port. It's okay to not actually listen via
 // the kernel because on almost all platforms (except iOS as of 2022-04-20) we
-// also intercept netstack TCP requests in to our peerapi port and hand it over
+// also intercept incoming netstack TCP requests to our peerapi port and hand them over
 // directly to peerapi, without involving the kernel. So this doesn't need to be
 // real. But the port number we return (1, in this case) is the port number we advertise
 // to peers and they connect to. 1 seems pretty safe to use. Even if the kernel's

ipn/ipnlocal/peerapi_test.go

@@ -109,7 +109,7 @@ func TestHandlePeerAPI(t *testing.T) {
 	tests := []struct {
 		name       string
 		isSelf     bool // the peer sending the request is owned by us
-		capSharing bool // self node has file sharing capabilty
+		capSharing bool // self node has file sharing capability
 		omitRoot   bool // don't configure
 		req        *http.Request
 		checks     []check

ipn/ipnserver/server.go

@@ -57,7 +57,7 @@ import (
 
 // Options is the configuration of the Tailscale node agent.
 type Options struct {
-	// VarRoot is the the Tailscale daemon's private writable
+	// VarRoot is the Tailscale daemon's private writable
 	// directory (usually "/var/lib/tailscale" on Linux) that
 	// contains the "tailscaled.state" file, the "certs" directory
 	// for TLS certs, and the "files" directory for incoming

ipn/prefs_test.go

@@ -470,7 +470,7 @@ func TestLoadPrefsNotExist(t *testing.T) {
 	t.Fatalf("unexpected prefs=%#v, err=%v", p, err)
 }
 
-// TestLoadPrefsFileWithZeroInIt verifies that LoadPrefs hanldes corrupted input files.
+// TestLoadPrefsFileWithZeroInIt verifies that LoadPrefs handles corrupted input files.
 // See issue #954 for details.
 func TestLoadPrefsFileWithZeroInIt(t *testing.T) {
 	f, err := os.CreateTemp("", "TestLoadPrefsFileWithZeroInIt")