Adding upstream version 1:9.16.44.upstream/1%9.16.44upstream

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

1 files changed, 190 insertions, 0 deletions

diff --git a/bin/named/win32/ntservice.c b/bin/named/win32/ntservice.c
new file mode 100644
index 0000000..5c5c40f
--- /dev/null
+++ b/bin/named/win32/ntservice.c
@@ -0,0 +1,190 @@
+/*
+ * Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+ *
+ * SPDX-License-Identifier: MPL-2.0
+ *
+ * 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 https://mozilla.org/MPL/2.0/.
+ *
+ * See the COPYRIGHT file distributed with this work for additional
+ * information regarding copyright ownership.
+ */
+
+#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/main.h>
+#include <named/ntservice.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
+ */
+static int
+bindmain_service_wrapper(int argc, char *argv[]);
+void
+ServiceControl(DWORD dwCtrlCode);
+int
+bindmain(int, char *[]); /* From main.c */
+
+/*
+ * Initialize the ISC library running as a Windows Service before calling
+ * bindmain()
+ */
+static int
+bindmain_service_wrapper(int argc, char *argv[]) {
+	return (isc_lib_ntservice(bindmain, argc, argv));
+}
+
+/*
+ * 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) {
+			named_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:
+		named_server_flushonshutdown(named_g_server, true);
+		isc_app_shutdown();
+		UpdateSCM(SERVICE_STOP_PENDING);
+		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, NAMED_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_service_wrapper },
+			{ 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);
+}