/*
* 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) 1997, by Sun Microsystems, Inc.
* All rights reserved.
*/
/* Copyright (c) 1984, 1986, 1987, 1988, 1989 AT&T */
/* All Rights Reserved */
#pragma ident "%Z%%M% %I% %E% SMI"
/*LINTLIBRARY*/
#include <sys/types.h>
#include <stdio.h>
#include <ctype.h>
#include <userdefs.h>
#include <users.h>
/*
* validate string given as group name.
*/
int
valid_gname(char *group, struct group **gptr, int *warning)
{
struct group *t_gptr;
char *ptr = group;
char c;
int len = 0;
int badchar = 0;
*warning = 0;
if (!group || !*group)
return (INVALID);
for (c = *ptr; c != NULL; ptr++, c = *ptr) {
len++;
if (!isprint(c) || (c == ':') || (c == '\n'))
return (INVALID);
if (!(islower(c) || isdigit(c)))
badchar++;
}
/*
* XXX constraints causes some operational/compatibility problem.
* This has to be revisited in the future as ARC/standards issue.
*/
if (len > MAXGLEN - 1)
*warning = *warning | WARN_NAME_TOO_LONG;
if (badchar != 0)
*warning = *warning | WARN_BAD_GROUP_NAME;
if ((t_gptr = getgrnam(group)) != NULL) {
if (gptr) *gptr = t_gptr;
return (NOTUNIQUE);
}
return (UNIQUE);
}