ntpaths.c revision 290001 
1/*
2 * Copyright (C) 2004, 2007, 2009  Internet Systems Consortium, Inc. ("ISC")
3 * Copyright (C) 2001  Internet Software Consortium.
4 *
5 * Permission to use, copy, modify, and/or distribute this software for any
6 * purpose with or without fee is hereby granted, provided that the above
7 * copyright notice and this permission notice appear in all copies.
8 *
9 * THE SOFTWARE IS PROVIDED "AS IS" AND ISC DISCLAIMS ALL WARRANTIES WITH
10 * REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY
11 * AND FITNESS.  IN NO EVENT SHALL ISC BE LIABLE FOR ANY SPECIAL, DIRECT,
12 * INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM
13 * LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE
14 * OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR
15 * PERFORMANCE OF THIS SOFTWARE.
16 */
17
18/* $Id: ntpaths.c,v 1.15 2009/07/14 22:54:57 each Exp $ */
19
20/*
21 * This module fetches the required path information that is specific
22 * to NT systems which can have its configuration and system files
23 * almost anywhere. It can be used to override whatever the application
24 * had previously assigned to the pointer. Basic information about the
25 * file locations are stored in the registry.
26 */
27
28#include <config.h>
29#include <isc/bind_registry.h>
30#include <isc/ntpaths.h>
31
32/*
33 * Module Variables
34 */
35
36static char systemDir[MAX_PATH];
37static char namedBase[MAX_PATH];
38static char ns_confFile[MAX_PATH];
39static char lwresd_confFile[MAX_PATH];
40static char lwresd_resolvconfFile[MAX_PATH];
41static char rndc_confFile[MAX_PATH];
42static char ns_defaultpidfile[MAX_PATH];
43static char lwresd_defaultpidfile[MAX_PATH];
44static char local_state_dir[MAX_PATH];
45static char sys_conf_dir[MAX_PATH];
46static char rndc_keyFile[MAX_PATH];
47static char session_keyFile[MAX_PATH];
48
49static DWORD baseLen = MAX_PATH;
50static BOOL Initialized = FALSE;
51
52void
53isc_ntpaths_init() {
54	HKEY hKey;
55	BOOL keyFound = TRUE;
56
57	memset(namedBase, 0, MAX_PATH);
58	if (RegOpenKeyEx(HKEY_LOCAL_MACHINE, BIND_SUBKEY, 0, KEY_READ, &hKey)
59		!= ERROR_SUCCESS)
60		keyFound = FALSE;
61
62	if (keyFound == TRUE) {
63		/* Get the named directory */
64		if (RegQueryValueEx(hKey, "InstallDir", NULL, NULL,
65			(LPBYTE)namedBase, &baseLen) != ERROR_SUCCESS)
66			keyFound = FALSE;
67		RegCloseKey(hKey);
68	}
69
70	GetSystemDirectory(systemDir, MAX_PATH);
71
72	if (keyFound == FALSE)
73		/* Use the System Directory as a default */
74		strcpy(namedBase, systemDir);
75
76	strcpy(ns_confFile, namedBase);
77	strcat(ns_confFile, "\\etc\\named.conf");
78
79	strcpy(lwresd_confFile, namedBase);
80	strcat(lwresd_confFile, "\\etc\\lwresd.conf");
81
82	strcpy(lwresd_resolvconfFile, systemDir);
83	strcat(lwresd_resolvconfFile, "\\Drivers\\etc\\resolv.conf");
84
85	strcpy(rndc_keyFile, namedBase);
86	strcat(rndc_keyFile, "\\etc\\rndc.key");
87
88	strcpy(session_keyFile, namedBase);
89	strcat(session_keyFile, "\\etc\\session.key");
90
91	strcpy(rndc_confFile, namedBase);
92	strcat(rndc_confFile, "\\etc\\rndc.conf");
93	strcpy(ns_defaultpidfile, namedBase);
94	strcat(ns_defaultpidfile, "\\etc\\named.pid");
95
96	strcpy(lwresd_defaultpidfile, namedBase);
97	strcat(lwresd_defaultpidfile, "\\etc\\lwresd.pid");
98
99	strcpy(local_state_dir, namedBase);
100	strcat(local_state_dir, "\\bin");
101
102	strcpy(sys_conf_dir, namedBase);
103	strcat(sys_conf_dir, "\\etc");
104
105	Initialized = TRUE;
106}
107
108char *
109isc_ntpaths_get(int ind) {
110	if (!Initialized)
111		isc_ntpaths_init();
112
113	switch (ind) {
114	case NAMED_CONF_PATH:
115		return (ns_confFile);
116		break;
117	case LWRES_CONF_PATH:
118		return (lwresd_confFile);
119		break;
120	case RESOLV_CONF_PATH:
121		return (lwresd_resolvconfFile);
122		break;
123	case RNDC_CONF_PATH:
124		return (rndc_confFile);
125		break;
126	case NAMED_PID_PATH:
127		return (ns_defaultpidfile);
128		break;
129	case LWRESD_PID_PATH:
130		return (lwresd_defaultpidfile);
131		break;
132	case LOCAL_STATE_DIR:
133		return (local_state_dir);
134		break;
135	case SYS_CONF_DIR:
136		return (sys_conf_dir);
137		break;
138	case RNDC_KEY_PATH:
139		return (rndc_keyFile);
140		break;
141	case SESSION_KEY_PATH:
142		return (session_keyFile);
143		break;
144	default:
145		return (NULL);
146	}
147}
148