1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
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);
}
|