From ea648e70a989cca190cd7403fe892fd2dcc290b4 Mon Sep 17 00:00:00 2001
From: Daniel Baumann <daniel.baumann@progress-linux.org>
Date: Sun, 5 May 2024 20:37:14 +0200
Subject: Adding upstream version 1:9.11.5.P4+dfsg.

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
---
 bin/named/win32/ntservice.c | 171 ++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 171 insertions(+)
 create mode 100644 bin/named/win32/ntservice.c

(limited to 'bin/named/win32/ntservice.c')

diff --git a/bin/named/win32/ntservice.c b/bin/named/win32/ntservice.c
new file mode 100644
index 0000000..23a5dc4
--- /dev/null
+++ b/bin/named/win32/ntservice.c
@@ -0,0 +1,171 @@
+/*
+ * Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+ *
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at http://mozilla.org/MPL/2.0/.
+ *
+ * See the COPYRIGHT file distributed with this work for additional
+ * information regarding copyright ownership.
+ */
+
+#include <config.h>
+#include <stdio.h>
+
+#include <isc/app.h>
+#include <isc/commandline.h>
+#include <isc/log.h>
+#include <isc/print.h>
+#include <isc/string.h>
+
+#include <named/globals.h>
+#include <named/ntservice.h>
+#include <named/main.h>
+#include <named/server.h>
+
+/* Handle to SCM for updating service status */
+static SERVICE_STATUS_HANDLE hServiceStatus = 0;
+static BOOL foreground = FALSE;
+static char ConsoleTitle[128];
+
+/*
+ * Forward declarations
+ */
+void ServiceControl(DWORD dwCtrlCode);
+int bindmain(int, char *[]); /* From main.c */
+
+/*
+ * Initialize the Service by registering it.
+ */
+void
+ntservice_init(void) {
+	if (!foreground) {
+		/* Register handler with the SCM */
+		hServiceStatus = RegisterServiceCtrlHandler(BIND_SERVICE_NAME,
+					(LPHANDLER_FUNCTION)ServiceControl);
+		if (!hServiceStatus) {
+			ns_main_earlyfatal(
+				"could not register service control handler");
+		}
+		UpdateSCM(SERVICE_RUNNING);
+	} else {
+		strlcpy(ConsoleTitle, "BIND Version ", sizeof(ConsoleTitle));
+		strlcat(ConsoleTitle, VERSION, sizeof(ConsoleTitle));
+		SetConsoleTitle(ConsoleTitle);
+	}
+}
+
+void
+ntservice_shutdown(void) {
+	UpdateSCM(SERVICE_STOPPED);
+}
+/*
+ * Routine to check if this is a service or a foreground program
+ */
+BOOL
+ntservice_isservice(void) {
+	return(!foreground);
+}
+/*
+ * ServiceControl(): Handles requests from the SCM and passes them on
+ * to named.
+ */
+void
+ServiceControl(DWORD dwCtrlCode) {
+	/* Handle the requested control code */
+	switch(dwCtrlCode) {
+	case SERVICE_CONTROL_INTERROGATE:
+		UpdateSCM(0);
+		break;
+
+	case SERVICE_CONTROL_SHUTDOWN:
+	case SERVICE_CONTROL_STOP:
+		ns_server_flushonshutdown(ns_g_server, true);
+		isc_app_shutdown();
+		UpdateSCM(SERVICE_STOPPED);
+		break;
+	default:
+		break;
+	}
+}
+
+/*
+ * Tell the Service Control Manager the state of the service.
+ */
+void UpdateSCM(DWORD state) {
+	SERVICE_STATUS ss;
+	static DWORD dwState = SERVICE_STOPPED;
+
+	if (hServiceStatus) {
+		if (state)
+			dwState = state;
+
+		memset(&ss, 0, sizeof(SERVICE_STATUS));
+		ss.dwServiceType |= SERVICE_WIN32_OWN_PROCESS;
+		ss.dwCurrentState = dwState;
+		ss.dwControlsAccepted = SERVICE_ACCEPT_STOP |
+					SERVICE_ACCEPT_SHUTDOWN;
+		ss.dwCheckPoint = 0;
+		ss.dwServiceSpecificExitCode = 0;
+		ss.dwWin32ExitCode = NO_ERROR;
+		ss.dwWaitHint = dwState == SERVICE_STOP_PENDING ? 10000 : 1000;
+
+		if (!SetServiceStatus(hServiceStatus, &ss)) {
+			ss.dwCurrentState = SERVICE_STOPPED;
+			SetServiceStatus(hServiceStatus, &ss);
+		}
+	}
+}
+
+/* unhook main */
+
+#undef main
+
+/*
+ * This is the entry point for the executable
+ * We can now call bindmain() explicitly or via StartServiceCtrlDispatcher()
+ * as we need to.
+ */
+int main(int argc, char *argv[])
+{
+	int rc, ch;
+
+	/* Command line users should put -f in the options. */
+	isc_commandline_errprint = false;
+	while ((ch = isc_commandline_parse(argc, argv, NS_MAIN_ARGS)) != -1) {
+		switch (ch) {
+		case 'f':
+		case 'g':
+		case 'v':
+		case 'V':
+			foreground = TRUE;
+			break;
+		default:
+			break;
+		}
+	}
+	isc_commandline_reset = true;
+
+	if (foreground) {
+		/* run in console window */
+		exit(bindmain(argc, argv));
+	} else {
+		/* Start up as service */
+		char *SERVICE_NAME = BIND_SERVICE_NAME;
+
+		SERVICE_TABLE_ENTRY dispatchTable[] = {
+			{ TEXT(SERVICE_NAME),
+			  (LPSERVICE_MAIN_FUNCTION)bindmain },
+			{ NULL, NULL }
+		};
+
+		rc = StartServiceCtrlDispatcher(dispatchTable);
+		if (!rc) {
+			fprintf(stderr,
+				"Use -f to run from the command line.\n");
+			/* will be 1063 when launched as a console app */
+			exit(GetLastError());
+		}
+	}
+	exit(0);
+}
-- 
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