mirror of
https://github.com/tailscale/tailscale.git
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Replace registry-access code, update wireguard-go and x/sys/windows.
Signed-off-by: Aleksandar Pesic <peske.nis@gmail.com>
This commit is contained in:
Aleksandar Pesic
parent
274d32d0aa
commit
338fd44657
6
go.mod
6
go.mod
@ -23,15 +23,15 @@ require (
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github.com/pborman/getopt v0.0.0-20190409184431-ee0cd42419d3
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github.com/peterbourgon/ff/v2 v2.0.0
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github.com/tailscale/depaware v0.0.0-20201003033024-5d95aab075be
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github.com/tailscale/wireguard-go v0.0.0-20201204174856-4a319d8d5bfb
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github.com/tailscale/wireguard-go v0.0.0-20201210001956-32a957fb6709
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github.com/tcnksm/go-httpstat v0.2.0
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github.com/toqueteos/webbrowser v1.2.0
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go4.org/mem v0.0.0-20201119185036-c04c5a6ff174
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golang.org/x/crypto v0.0.0-20201112155050-0c6587e931a9
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golang.org/x/crypto v0.0.0-20201124201722-c8d3bf9c5392
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golang.org/x/net v0.0.0-20201110031124-69a78807bb2b
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golang.org/x/oauth2 v0.0.0-20200107190931-bf48bf16ab8d
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golang.org/x/sync v0.0.0-20200625203802-6e8e738ad208
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golang.org/x/sys v0.0.0-20201202213521-69691e467435
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golang.org/x/sys v0.0.0-20201210223839-7e3030f88018
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golang.org/x/term v0.0.0-20201207232118-ee85cb95a76b
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golang.org/x/time v0.0.0-20191024005414-555d28b269f0
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golang.org/x/tools v0.0.0-20201002184944-ecd9fd270d5d
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9
go.sum
9
go.sum
@ -116,6 +116,9 @@ github.com/tailscale/wireguard-go v0.0.0-20201021041318-a6168fd06b3f h1:KMx58dbn
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github.com/tailscale/wireguard-go v0.0.0-20201021041318-a6168fd06b3f/go.mod h1:WXq+IkSOJGIgfF1XW+4z4oW+LX/TXzU9DcKlT5EZLi4=
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github.com/tailscale/wireguard-go v0.0.0-20201204174856-4a319d8d5bfb h1:lPrU+j3X85IpVF8saRAAnhER6/RmtpV9mSZFx/rQXJc=
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github.com/tailscale/wireguard-go v0.0.0-20201204174856-4a319d8d5bfb/go.mod h1:RMjerRBNxOIkYHMFnxMWLFYngXD6zexR/v5Dn4a5Zcc=
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github.com/tailscale/wireguard-go v0.0.0-20201210001956-32a957fb6709 h1:cxiYxd+Kb+LuXBpv6rp2CpWGhhcVB5b07B6h+kA7LP4=
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github.com/tailscale/wireguard-go v0.0.0-20201210001956-32a957fb6709/go.mod h1:9PbAnF5CAklkURoO0uQhm+YUjDmm9T9oCyTGlCHuTPQ=
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github.com/tailscale/wireguard-go v0.0.20201118 h1:gtjCCz7el67M8M3BmOLlsaTBnWqVJ3uH7Z8+uO1fjeI=
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github.com/tcnksm/go-httpstat v0.2.0 h1:rP7T5e5U2HfmOBmZzGgGZjBQ5/GluWUylujl0tJ04I0=
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github.com/tcnksm/go-httpstat v0.2.0/go.mod h1:s3JVJFtQxtBEBC9dwcdTTXS9xFnM3SXAZwPG41aurT8=
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github.com/toqueteos/webbrowser v1.2.0 h1:tVP/gpK69Fx+qMJKsLE7TD8LuGWPnEV71wBN9rrstGQ=
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@ -141,6 +144,8 @@ golang.org/x/crypto v0.0.0-20200709230013-948cd5f35899/go.mod h1:LzIPMQfyMNhhGPh
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golang.org/x/crypto v0.0.0-20201016220609-9e8e0b390897/go.mod h1:LzIPMQfyMNhhGPhUkYOs5KpL4U8rLKemX1yGLhDgUto=
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golang.org/x/crypto v0.0.0-20201112155050-0c6587e931a9 h1:umElSU9WZirRdgu2yFHY0ayQkEnKiOC1TtM3fWXFnoU=
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golang.org/x/crypto v0.0.0-20201112155050-0c6587e931a9/go.mod h1:LzIPMQfyMNhhGPhUkYOs5KpL4U8rLKemX1yGLhDgUto=
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golang.org/x/crypto v0.0.0-20201124201722-c8d3bf9c5392 h1:xYJJ3S178yv++9zXV/hnr29plCAGO9vAFG9dorqaFQc=
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golang.org/x/crypto v0.0.0-20201124201722-c8d3bf9c5392/go.mod h1:jdWPYTVW3xRLrWPugEBEK3UY2ZEsg3UU495nc5E+M+I=
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golang.org/x/mod v0.0.0-20190513183733-4bf6d317e70e/go.mod h1:mXi4GBBbnImb6dmsKGUJ2LatrhH/nqhxcFungHvyanc=
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golang.org/x/mod v0.1.1-0.20191105210325-c90efee705ee/go.mod h1:QqPTAvyqsEbceGzBzNggFXnrqF1CaUcvgkdR5Ot7KZg=
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golang.org/x/mod v0.3.0 h1:RM4zey1++hCTbCVQfnWeKs9/IEsaBLA8vTkd0WVtmH4=
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@ -182,6 +187,7 @@ golang.org/x/sys v0.0.0-20190904154756-749cb33beabd/go.mod h1:h1NjWce9XRLGQEsW7w
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golang.org/x/sys v0.0.0-20190924154521-2837fb4f24fe/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
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golang.org/x/sys v0.0.0-20191003212358-c178f38b412c/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
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golang.org/x/sys v0.0.0-20191008105621-543471e840be/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
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golang.org/x/sys v0.0.0-20191026070338-33540a1f6037/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
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golang.org/x/sys v0.0.0-20200202164722-d101bd2416d5/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
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golang.org/x/sys v0.0.0-20200323222414-85ca7c5b95cd/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
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golang.org/x/sys v0.0.0-20200501145240-bc7a7d42d5c3/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
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@ -196,6 +202,9 @@ golang.org/x/sys v0.0.0-20201112073958-5cba982894dd/go.mod h1:h1NjWce9XRLGQEsW7w
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golang.org/x/sys v0.0.0-20201119102817-f84b799fce68/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
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golang.org/x/sys v0.0.0-20201202213521-69691e467435 h1:25AvDqqB9PrNqj1FLf2/70I4W0L19qqoaFq3gjNwbKk=
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golang.org/x/sys v0.0.0-20201202213521-69691e467435/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
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golang.org/x/sys v0.0.0-20201210223839-7e3030f88018 h1:XKi8B/gRBuTZN1vU9gFsLMm6zVz5FSCDzm8JYACnjy8=
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golang.org/x/sys v0.0.0-20201210223839-7e3030f88018/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
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golang.org/x/term v0.0.0-20201117132131-f5c789dd3221/go.mod h1:Nr5EML6q2oocZ2LXRh80K7BxOlk5/8JxuGnuhpl+muw=
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golang.org/x/term v0.0.0-20201207232118-ee85cb95a76b h1:a0ErnNnPKmhDyIXQvdZr+Lq8dc8xpMeqkF8y5PgQU4Q=
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golang.org/x/term v0.0.0-20201207232118-ee85cb95a76b/go.mod h1:bj7SfCRtBDWHUb9snDiAeCFNEtKQo2Wmx5Cou7ajbmo=
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golang.org/x/text v0.3.0/go.mod h1:NqM8EUOU14njkJ3fqMW+pc6Ldnwhi/IjpwHt7yyuwOQ=
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@ -7,12 +7,13 @@
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import (
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"fmt"
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"os/exec"
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"runtime"
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"strings"
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"syscall"
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"time"
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"github.com/tailscale/wireguard-go/tun"
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wgregistry "github.com/tailscale/wireguard-go/tun/wintun/registry"
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"golang.org/x/sys/windows"
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"golang.org/x/sys/windows/registry"
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"tailscale.com/types/logger"
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)
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@ -35,14 +36,76 @@ func newManager(mconfig ManagerConfig) managerImpl {
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}
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}
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// keyOpenTimeout is how long we wait for a registry key to
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// appear. For some reason, registry keys tied to ephemeral interfaces
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// can take a long while to appear after interface creation, and we
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// can end up racing with that.
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const keyOpenTimeout = time.Minute
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const (
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// keyOpenTimeout is how long we wait for a registry key to
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// appear. For some reason, registry keys tied to ephemeral interfaces
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// can take a long while to appear after interface creation, and we
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// can end up racing with that.
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keyOpenTimeout = time.Minute
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// REG_NOTIFY_CHANGE_NAME notifies the caller if a subkey is added or deleted.
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REG_NOTIFY_CHANGE_NAME uint32 = 0x00000001
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)
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func openKeyWait(k registry.Key, path string, access uint32, timeout time.Duration) (registry.Key, error) {
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runtime.LockOSThread()
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defer runtime.UnlockOSThread()
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deadline := time.Now().Add(timeout)
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pathSpl := strings.Split(path, "\\")
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for i := 0; ; i++ {
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keyName := pathSpl[i]
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isLast := i+1 == len(pathSpl)
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event, err := windows.CreateEvent(nil, 0, 0, nil)
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if err != nil {
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return 0, fmt.Errorf("windows.CreateEvent: %v", err)
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}
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defer windows.CloseHandle(event)
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var key registry.Key
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for {
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err = windows.RegNotifyChangeKeyValue(windows.Handle(k), false, REG_NOTIFY_CHANGE_NAME, event, true)
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if err != nil {
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return 0, fmt.Errorf("windows.RegNotifyChangeKeyValue: %v", err)
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}
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var accessFlags uint32
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if isLast {
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accessFlags = access
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} else {
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accessFlags = registry.NOTIFY
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}
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key, err = registry.OpenKey(k, keyName, accessFlags)
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if err == windows.ERROR_FILE_NOT_FOUND || err == windows.ERROR_PATH_NOT_FOUND {
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timeout := time.Until(deadline) / time.Millisecond
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if timeout < 0 {
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timeout = 0
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}
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s, err := windows.WaitForSingleObject(event, uint32(timeout))
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if err != nil {
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return 0, fmt.Errorf("windows.WaitForSingleObject: %v", err)
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}
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if s == uint32(windows.WAIT_TIMEOUT) { // windows.WAIT_TIMEOUT status const is misclassified as error in golang.org/x/sys/windows
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return 0, fmt.Errorf("timeout waiting for registry key")
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}
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} else if err != nil {
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return 0, fmt.Errorf("registry.OpenKey(%v): %v", path, err)
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} else {
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if isLast {
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return key, nil
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}
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defer key.Close()
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break
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}
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}
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k = key
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}
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}
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func setRegistryString(path, name, value string) error {
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key, err := wgregistry.OpenKeyWait(registry.LOCAL_MACHINE, path, registry.SET_VALUE, keyOpenTimeout)
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key, err := openKeyWait(registry.LOCAL_MACHINE, path, registry.SET_VALUE, keyOpenTimeout)
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if err != nil {
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return fmt.Errorf("opening %s: %w", path, err)
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}
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