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tailscale/util/winutil/mksyscall.go

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all: update copyright and license headers This updates all source files to use a new standard header for copyright and license declaration. Notably, copyright no longer includes a date, and we now use the standard SPDX-License-Identifier header. This commit was done almost entirely mechanically with perl, and then some minimal manual fixes. Updates #6865 Signed-off-by: Will Norris <will@tailscale.com>
2023-01-27 21:37:20 +00:00
// Copyright (c) Tailscale Inc & AUTHORS
// SPDX-License-Identifier: BSD-3-Clause
cmd/tailscaled, util/winutil: log Windows service diagnostics when the wintun device fails to install I added new functions to winutil to obtain the state of a service and all its depedencies, serialize them to JSON, and write them to a Logf. When tstun.New returns a wrapped ERROR_DEVICE_NOT_AVAILABLE, we know that wintun installation failed. We then log the service graph rooted at "NetSetupSvc". We are interested in that specific service because network devices will not install if that service is not running. Updates https://github.com/tailscale/tailscale/issues/5531 Signed-off-by: Aaron Klotz <aaron@tailscale.com>
2022-09-19 21:49:58 +00:00
package winutil
//go:generate go run golang.org/x/sys/windows/mkwinsyscall -output zsyscall_windows.go mksyscall.go
cmd/tailscaled, util/winutil: log our registry keys during tailscaled startup In order to improve our ability to understand the state of policies and registry settings when troubleshooting, we enumerate all values in all subkeys. x/sys/windows does not already offer this, so we need to call RegEnumValue directly. For now we're just logging this during startup, however in a future PR I plan to also trigger this code during a bugreport. I also want to log more than just registry. Fixes #8141 Signed-off-by: Aaron Klotz <aaron@tailscale.com>
2023-05-09 21:51:20 +00:00
//go:generate go run golang.org/x/tools/cmd/goimports -w zsyscall_windows.go
cmd/tailscaled, util/winutil: log Windows service diagnostics when the wintun device fails to install I added new functions to winutil to obtain the state of a service and all its depedencies, serialize them to JSON, and write them to a Logf. When tstun.New returns a wrapped ERROR_DEVICE_NOT_AVAILABLE, we know that wintun installation failed. We then log the service graph rooted at "NetSetupSvc". We are interested in that specific service because network devices will not install if that service is not running. Updates https://github.com/tailscale/tailscale/issues/5531 Signed-off-by: Aaron Klotz <aaron@tailscale.com>
2022-09-19 21:49:58 +00:00
util/winutil: add support for restarting Windows processes in specific sessions This PR is all about adding functionality that will enable the installer's upgrade sequence to terminate processes belonging to the previous version, and then subsequently restart instances belonging to the new version within the session(s) corresponding to the processes that were killed. There are multiple parts to this: * We add support for the Restart Manager APIs, which allow us to query the OS for a list of processes locking specific files; * We add the RestartableProcess and RestartableProcesses types that query additional information about the running processes that will allow us to correctly restart them in the future. These types also provide the ability to terminate the processes. * We add the StartProcessInSession family of APIs that permit us to create new processes within specific sessions. This is needed in order to properly attach a new GUI process to the same RDP session and desktop that its previously-terminated counterpart would have been running in. * I tweaked the winutil token APIs again. * A lot of this stuff is pretty hard to test without a very elaborate harness, but I added a unit test for the most complicated part (though it requires LocalSystem to run). Updates https://github.com/tailscale/corp/issues/13998 Signed-off-by: Aaron Klotz <aaron@tailscale.com>
2023-11-03 19:56:46 +00:00
//sys getApplicationRestartSettings(process windows.Handle, commandLine *uint16, commandLineLen *uint32, flags *uint32) (ret wingoes.HRESULT) = kernel32.GetApplicationRestartSettings
cmd/tailscaled, util/winutil: log Windows service diagnostics when the wintun device fails to install I added new functions to winutil to obtain the state of a service and all its depedencies, serialize them to JSON, and write them to a Logf. When tstun.New returns a wrapped ERROR_DEVICE_NOT_AVAILABLE, we know that wintun installation failed. We then log the service graph rooted at "NetSetupSvc". We are interested in that specific service because network devices will not install if that service is not running. Updates https://github.com/tailscale/tailscale/issues/5531 Signed-off-by: Aaron Klotz <aaron@tailscale.com>
2022-09-19 21:49:58 +00:00
//sys queryServiceConfig2(hService windows.Handle, infoLevel uint32, buf *byte, bufLen uint32, bytesNeeded *uint32) (err error) [failretval==0] = advapi32.QueryServiceConfig2W
util/winutil: add RegisterForRestart, allowing programs to indicate their preferences to the Windows restart manager In order for the installer to restart the GUI correctly post-upgrade, we need the GUI to be able to register its restart preferences. This PR adds API support for doing so. I'm adding it to OSS so that it is available should we need to do any such registrations on OSS binaries in the future. Updates https://github.com/tailscale/corp/issues/13998 Signed-off-by: Aaron Klotz <aaron@tailscale.com>
2023-08-17 20:47:01 +00:00
//sys registerApplicationRestart(cmdLineExclExeName *uint16, flags uint32) (ret wingoes.HRESULT) = kernel32.RegisterApplicationRestart
util/winutil: add support for restarting Windows processes in specific sessions This PR is all about adding functionality that will enable the installer's upgrade sequence to terminate processes belonging to the previous version, and then subsequently restart instances belonging to the new version within the session(s) corresponding to the processes that were killed. There are multiple parts to this: * We add support for the Restart Manager APIs, which allow us to query the OS for a list of processes locking specific files; * We add the RestartableProcess and RestartableProcesses types that query additional information about the running processes that will allow us to correctly restart them in the future. These types also provide the ability to terminate the processes. * We add the StartProcessInSession family of APIs that permit us to create new processes within specific sessions. This is needed in order to properly attach a new GUI process to the same RDP session and desktop that its previously-terminated counterpart would have been running in. * I tweaked the winutil token APIs again. * A lot of this stuff is pretty hard to test without a very elaborate harness, but I added a unit test for the most complicated part (though it requires LocalSystem to run). Updates https://github.com/tailscale/corp/issues/13998 Signed-off-by: Aaron Klotz <aaron@tailscale.com>
2023-11-03 19:56:46 +00:00
//sys rmEndSession(session _RMHANDLE) (ret error) = rstrtmgr.RmEndSession
//sys rmGetList(session _RMHANDLE, nProcInfoNeeded *uint32, nProcInfo *uint32, rgAffectedApps *_RM_PROCESS_INFO, pRebootReasons *uint32) (ret error) = rstrtmgr.RmGetList
//sys rmJoinSession(pSession *_RMHANDLE, sessionKey *uint16) (ret error) = rstrtmgr.RmJoinSession
//sys rmRegisterResources(session _RMHANDLE, nFiles uint32, rgsFileNames **uint16, nApplications uint32, rgApplications *_RM_UNIQUE_PROCESS, nServices uint32, rgsServiceNames **uint16) (ret error) = rstrtmgr.RmRegisterResources
//sys rmStartSession(pSession *_RMHANDLE, flags uint32, sessionKey *uint16) (ret error) = rstrtmgr.RmStartSession
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