nisplus_impl.c revision 7c478bd95313f5f23a4c958a745db2134aa03244
/*
* CDDL HEADER START
*
* The contents of this file are subject to the terms of the
* Common Development and Distribution License, Version 1.0 only
* (the "License"). You may not use this file except in compliance
* with the License.
*
* You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
* or http://www.opensolaris.org/os/licensing.
* See the License for the specific language governing permissions
* and limitations under the License.
*
* When distributing Covered Code, include this CDDL HEADER in each
* file and include the License file at usr/src/OPENSOLARIS.LICENSE.
* If applicable, add the following below this CDDL HEADER, with the
* fields enclosed by brackets "[]" replaced with your own identifying
* information: Portions Copyright [yyyy] [name of copyright owner]
*
* CDDL HEADER END
*/
/*
* Copyright (c) 2001 by Sun Microsystems, Inc.
* All rights reserved.
*/
#pragma ident "%Z%%M% %I% %E% SMI"
/*
* This file contains implementation functions internal to the nisplus0
* module.
*/
#include <stdlib.h>
#include "nisplus_impl.h"
#include <string.h>
#include <ctype.h>
/*
* Validates the nisplus form of a dhcp network table: YYY_YYY_YYY_YYY,
* where YYY is a integer from 0-255. Returns TRUE for success, false
* otherwise.
*/
boolean_t
dsvcnis_valid_ip(const char *container)
{
int i = 0, t, count = 0;
char *tp, *wp, *sp = NULL;
if ((tp = strdup(container)) == NULL)
return (B_FALSE); /* no memory */
for (wp = strtok_r(tp, "_", &sp), i = 0; wp != NULL && i < 4;
wp = strtok_r(sp, "_", &sp), i++) {
if (isdigit(*wp) && (t = atoi(wp)) >= 0 && t < 256)
count++;
}
free(tp);
return (count == 4);
}
/*
* Convert the nisplus form of a dhcp network table name from one form
* to another. See macros in nisplus_impl.h. No validation is done...
*/
char *
dsvcnis_convert_form(char *network, char from, char to)
{
char *tp;
for (tp = network; *tp != '\0'; tp++) {
if (*tp == from)
*tp = to;
}
return (network);
}