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fix: correct Windows API constants to fix domain join detection

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The function was incorrectly identifying domain-joined status due to wrong
constant values, potentially causing false negatives for domain-joined machines.
This commit is contained in:
Cuong Manh Le
2025-08-12 16:48:10 +07:00
committed by Cuong Manh Le
parent 66e2d3a40a
commit 21855df4af
1 changed files with 26 additions and 28 deletions
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32
nameservers_windows.go
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@@ -27,10 +27,7 @@ const (
retryDelayDNSAdapter = 1 * time.Second
defaultDNSAdapterTimeout = 10 * time.Second
minDNSServers = 1 // Minimum number of DNS servers we want to find
NetSetupUnknown uint32 = 0
NetSetupWorkgroup uint32 = 1
NetSetupDomain uint32 = 2
NetSetupCloudDomain uint32 = 3
DS_FORCE_REDISCOVERY = 0x00000001
DS_DIRECTORY_SERVICE_REQUIRED = 0x00000010
DS_BACKGROUND_ONLY = 0x00000100
@@ -343,27 +340,28 @@ func checkDomainJoined() bool {
var domain *uint16
var status uint32
err := windows.NetGetJoinInformation(nil, &domain, &status)
if err != nil {
Log(context.Background(), logger.Debug(),
"Failed to get domain join status: %v", err)
if err := windows.NetGetJoinInformation(nil, &domain, &status); err != nil {
Log(context.Background(), logger.Debug(), "Failed to get domain join status: %v", err)
return false
}
defer windows.NetApiBufferFree((*byte)(unsafe.Pointer(domain)))
// NETSETUP_JOIN_STATUS constants from Microsoft Windows API
// See: https://learn.microsoft.com/en-us/windows/win32/api/lmjoin/ne-lmjoin-netsetup_join_status
//
// NetSetupUnknownStatus uint32 = 0 // The status is unknown
// NetSetupUnjoined uint32 = 1 // The computer is not joined to a domain or workgroup
// NetSetupWorkgroupName uint32 = 2 // The computer is joined to a workgroup
// NetSetupDomainName uint32 = 3 // The computer is joined to a domain
//
// We only care about NetSetupDomainName.
domainName := windows.UTF16PtrToString(domain)
Log(context.Background(), logger.Debug(),
"Domain join status: domain=%s status=%d (Unknown=0, Workgroup=1, Domain=2, CloudDomain=3)",
"Domain join status: domain=%s status=%d (UnknownStatus=0, Unjoined=1, WorkgroupName=2, DomainName=3)",
domainName, status)
// Consider domain or cloud domain as domain-joined
isDomain := status == NetSetupDomain || status == NetSetupCloudDomain
Log(context.Background(), logger.Debug(),
"Is domain joined? status=%d, traditional=%v, cloud=%v, result=%v",
status,
status == NetSetupDomain,
status == NetSetupCloudDomain,
isDomain)
isDomain := status == syscall.NetSetupDomainName
Log(context.Background(), logger.Debug(), "Is domain joined? status=%d, result=%v", status, isDomain)
return isDomain
}