bind/lib/isc/win32/ntpaths.c

/*
 * Copyright (C) 2001  Internet Software Consortium.
 *
 * Permission to use, copy, modify, and distribute this software for any
 * purpose with or without fee is hereby granted, provided that the above
 * copyright notice and this permission notice appear in all copies.
 *
 * THE SOFTWARE IS PROVIDED "AS IS" AND INTERNET SOFTWARE CONSORTIUM
 * DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS SOFTWARE INCLUDING ALL
 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL
 * INTERNET SOFTWARE CONSORTIUM BE LIABLE FOR ANY SPECIAL, DIRECT,
 * INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING
 * FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT,
 * NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION
 * WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
 */

/* $Id: ntpaths.c,v 1.1 2001/07/06 05:35:09 mayer Exp $ */

/*
 * This file 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 <config.h>
#include <isc/bind_registry.h>
#include <isc/ntpaths.h>

/*
 * Module Variables
 */

static char systemDir[MAX_PATH];
static char namedBase[MAX_PATH];
static char ns_confFile[MAX_PATH];
static char lwresd_confFile[MAX_PATH];
static char lwresd_resolvconfFile[MAX_PATH];
static char rndc_confFile[MAX_PATH];
static char ns_defaultpidfile[MAX_PATH];
static char lwresd_defaultpidfile[MAX_PATH];
static DWORD baseLen = MAX_PATH;
static BOOL Initialized = FALSE;

void
isc_ntpaths_init()
{
	HKEY hKey;
	BOOL keyFound = TRUE;

	memset(namedBase, 0, MAX_PATH);
	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)
		strcpy(namedBase, systemDir);		// Use the System Directory as a default

	strcpy(ns_confFile, namedBase);
	strcat(ns_confFile, "\\etc\\named.conf");

	strcpy(lwresd_confFile, namedBase);
	strcat(lwresd_confFile, "\\etc\\lwresd.conf");

	strcpy(lwresd_resolvconfFile, namedBase);
	strcat(lwresd_resolvconfFile, "\\Drivers\\etc\\resolv.conf");

	strcpy(rndc_confFile, namedBase);
	strcat(rndc_confFile, "\\etc\\rndc.conf");

	strcpy(ns_defaultpidfile, namedBase);
	strcat(ns_defaultpidfile, "\\etc\\named.pid");

	strcpy(lwresd_defaultpidfile, namedBase);
	strcat(lwresd_defaultpidfile, "\\etc\\lwresd.pid");

	Initialized = TRUE;
}

char *
isc_ntpaths_get(int ind) {
	
	if(!Initialized) {
		isc_ntpaths_init();
	}
	switch (ind) {
	case NAMED_CONF_PATH:
		return(ns_confFile);
		break;
	case LWRES_CONF_PATH:
		return(lwresd_confFile);
		break;
	case RESOLV_CONF_PATH:
		return(lwresd_resolvconfFile);
		break;
	case RNDC_CONF_PATH:
		return(rndc_confFile);
		break;
	case NAMED_PID_PATH:
		return(ns_defaultpidfile);
		break;
	case LWRESD_PID_PATH:
		return(lwresd_defaultpidfile);
		break;
	default:
		return(NULL);
	}
}