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// Copyright (c) Tailscale Inc & contributors
// SPDX-License-Identifier: BSD-3-Clause
package feature
import (
"net/http"
"net/url"
"os"
"sync"
"tailscale.com/types/logger"
"tailscale.com/types/persist"
)
// HookCanAutoUpdate is a hook for the clientupdate package
// to conditionally initialize.
var HookCanAutoUpdate Hook[func() bool]
var testAllowAutoUpdate = sync.OnceValue(func() bool {
return os.Getenv("TS_TEST_ALLOW_AUTO_UPDATE") == "1"
})
// CanAutoUpdate reports whether the current binary is built with auto-update
// support and, if so, whether the current platform supports it.
func CanAutoUpdate() bool {
if testAllowAutoUpdate() {
return true
}
if f, ok := HookCanAutoUpdate.GetOk(); ok {
return f()
}
return false
}
// HookProxyFromEnvironment is a hook for feature/useproxy to register
// a function to use as http.ProxyFromEnvironment.
var HookProxyFromEnvironment Hook[func(*http.Request) (*url.URL, error)]
// HookProxyInvalidateCache is a hook for feature/useproxy to register
// [tshttpproxy.InvalidateCache].
var HookProxyInvalidateCache Hook[func()]
// HookProxyGetAuthHeader is a hook for feature/useproxy to register
// [tshttpproxy.GetAuthHeader].
var HookProxyGetAuthHeader Hook[func(*url.URL) (string, error)]
// HookProxySetSelfProxy is a hook for feature/useproxy to register
// [tshttpproxy.SetSelfProxy].
var HookProxySetSelfProxy Hook[func(...string)]
// HookProxySetTransportGetProxyConnectHeader is a hook for feature/useproxy to register
// [tshttpproxy.SetTransportGetProxyConnectHeader].
var HookProxySetTransportGetProxyConnectHeader Hook[func(*http.Transport)]
// HookTPMAvailable is a hook that reports whether a TPM device is supported
// and available.
var HookTPMAvailable Hook[func() bool]
var HookGenerateAttestationKeyIfEmpty Hook[func(p *persist.Persist, logf logger.Logf) (bool, error)]
// TPMAvailable reports whether a TPM device is supported and available.
func TPMAvailable() bool {
if f, ok := HookTPMAvailable.GetOk(); ok {
return f()
}
return false
}
// HookHardwareAttestationAvailable is a hook that reports whether hardware
// attestation is supported and available.
var HookHardwareAttestationAvailable Hook[func() bool]
// HardwareAttestationAvailable reports whether hardware attestation is
// supported and available (TPM on Windows/Linux, Secure Enclave on macOS|iOS,
// KeyStore on Android)
func HardwareAttestationAvailable() bool {
if f, ok := HookHardwareAttestationAvailable.GetOk(); ok {
return f()
}
return false
}
|
