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/*
* 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.
*/
/*
* This module fetches the required path information that is specific
* to NT systems which can have its configuration and system files
* almost anywhere. It can be used to override whatever the application
* had previously assigned to the pointer. Basic information about the
* file locations are stored in the registry.
*/
#include <isc/bind_registry.h>
#include <isc/ntpaths.h>
#include <isc/string.h>
/*
* Module Variables
*/
static char systemDir[MAX_PATH];
static char namedBase[MAX_PATH];
static char ns_confFile[MAX_PATH];
static char rndc_confFile[MAX_PATH];
static char ns_defaultpidfile[MAX_PATH];
static char ns_lockfile[MAX_PATH];
static char local_state_dir[MAX_PATH];
static char sys_conf_dir[MAX_PATH];
static char rndc_keyFile[MAX_PATH];
static char session_keyFile[MAX_PATH];
static char resolv_confFile[MAX_PATH];
static char bind_keysFile[MAX_PATH];
static DWORD baseLen = MAX_PATH;
static BOOL Initialized = FALSE;
void
isc_ntpaths_init(void) {
HKEY hKey;
BOOL keyFound = TRUE;
memset(namedBase, 0, sizeof(namedBase));
if (RegOpenKeyEx(HKEY_LOCAL_MACHINE, BIND_SUBKEY, 0, KEY_READ, &hKey) !=
ERROR_SUCCESS)
{
keyFound = FALSE;
}
if (keyFound == TRUE) {
/* Get the named directory */
if (RegQueryValueEx(hKey, "InstallDir", NULL, NULL,
(LPBYTE)namedBase,
&baseLen) != ERROR_SUCCESS)
{
keyFound = FALSE;
}
RegCloseKey(hKey);
}
GetSystemDirectory(systemDir, MAX_PATH);
if (keyFound == FALSE) {
/* Use the System Directory as a default */
strlcpy(namedBase, systemDir, sizeof(namedBase));
}
strlcpy(ns_confFile, namedBase, sizeof(ns_confFile));
strlcat(ns_confFile, "\\etc\\named.conf", sizeof(ns_confFile));
strlcpy(rndc_keyFile, namedBase, sizeof(rndc_keyFile));
strlcat(rndc_keyFile, "\\etc\\rndc.key", sizeof(rndc_keyFile));
strlcpy(session_keyFile, namedBase, sizeof(session_keyFile));
strlcat(session_keyFile, "\\etc\\session.key", sizeof(session_keyFile));
strlcpy(rndc_confFile, namedBase, sizeof(rndc_confFile));
strlcat(rndc_confFile, "\\etc\\rndc.conf", sizeof(rndc_confFile));
strlcpy(ns_defaultpidfile, namedBase, sizeof(ns_defaultpidfile));
strlcat(ns_defaultpidfile, "\\etc\\named.pid",
sizeof(ns_defaultpidfile));
strlcpy(ns_lockfile, namedBase, sizeof(ns_lockfile));
strlcat(ns_lockfile, "\\etc\\named.lock", sizeof(ns_lockfile));
strlcpy(local_state_dir, namedBase, sizeof(local_state_dir));
strlcat(local_state_dir, "\\bin", sizeof(local_state_dir));
strlcpy(sys_conf_dir, namedBase, sizeof(sys_conf_dir));
strlcat(sys_conf_dir, "\\etc", sizeof(sys_conf_dir));
/* Added to avoid an assert on NULL value */
strlcpy(resolv_confFile, namedBase, sizeof(resolv_confFile));
strlcat(resolv_confFile, "\\etc\\resolv.conf", sizeof(resolv_confFile));
strlcpy(bind_keysFile, namedBase, sizeof(bind_keysFile));
strlcat(bind_keysFile, "\\etc\\bind.keys", sizeof(bind_keysFile));
Initialized = TRUE;
}
char *
isc_ntpaths_get(int ind) {
if (!Initialized) {
isc_ntpaths_init();
}
switch (ind) {
case NAMED_CONF_PATH:
return (ns_confFile);
break;
case RESOLV_CONF_PATH:
return (resolv_confFile);
break;
case RNDC_CONF_PATH:
return (rndc_confFile);
break;
case NAMED_PID_PATH:
return (ns_defaultpidfile);
break;
case NAMED_LOCK_PATH:
return (ns_lockfile);
break;
case LOCAL_STATE_DIR:
return (local_state_dir);
break;
case SYS_CONF_DIR:
return (sys_conf_dir);
break;
case RNDC_KEY_PATH:
return (rndc_keyFile);
break;
case SESSION_KEY_PATH:
return (session_keyFile);
break;
case BIND_KEYS_PATH:
return (bind_keysFile);
break;
default:
return (NULL);
}
}
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