vgroup.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) 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" /* SVr4.0 1.2 */
/*LINTLIBRARY*/
#include <sys/types.h>
#include <stdio.h>
#include <stdlib.h>
#include <ctype.h>
#include <users.h>
#include <userdefs.h>
extern int valid_gid();
/*
* validate a group name or number and return the appropriate
* group structure for it.
*/
int
valid_group(char *group, struct group **gptr, int *warning)
{
gid_t gid;
char *ptr;
*warning = 0;
if (isdigit(*group)) {
gid = (gid_t) strtol(group, &ptr, (int) 10);
if (! *ptr)
return (valid_gid(gid, gptr));
}
for (ptr = group; *ptr != NULL; ptr++) {
if (!isprint(*ptr) || (*ptr == ':') || (*ptr == '\n'))
return (INVALID);
}
/* length checking and other warnings are done in valid_gname() */
return (valid_gname(group, gptr, warning));
}