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cmd/tailscaled, util/winutil: changes to process and token APIs in winutil

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This PR changes the internal getTokenInfo function to use generics.
I also removed our own implementations for obtaining a token's user
and primary group in favour of calling the ones now available in
x/sys/windows.

Furthermore, I added two new functions for working with tokens, logon
session IDs, and Terminal Services / RDP session IDs.

I modified our privilege enabling code to allow enabling of multiple
privileges via one single function call.

Finally, I added the ProcessImageName function and updated the code in
tailscaled_windows.go to use that instead of directly calling the
underlying API.

All of these changes will be utilized by subsequent PRs pertaining to
this issue.

Updates https://github.com/tailscale/corp/issues/13998

Signed-off-by: Aaron Klotz <aaron@tailscale.com>
This commit is contained in:
Aaron Klotz
2023-11-03 13:56:36 -06:00
parent 03e780e9af
commit 855f79fad7
2 changed files with 104 additions and 43 deletions
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9
cmd/tailscaled/tailscaled_windows.go
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@@ -529,12 +529,11 @@ func uninstallWinTun(logf logger.Logf) {
func fullyQualifiedWintunPath(logf logger.Logf) string {
var dir string
var buf [windows.MAX_PATH]uint16
length := uint32(len(buf))
if err := windows.QueryFullProcessImageName(windows.CurrentProcess(), 0, &buf[0], &length); err != nil {
logf("QueryFullProcessImageName failed: %v", err)
imgName, err := winutil.ProcessImageName(windows.CurrentProcess())
if err != nil {
logf("ProcessImageName failed: %v", err)
} else {
dir = filepath.Dir(windows.UTF16ToString(buf[:length]))
dir = filepath.Dir(imgName)
}
return filepath.Join(dir, "wintun.dll")