1*7c478bd9Sstevel@tonic-gate /*
2*7c478bd9Sstevel@tonic-gate * CDDL HEADER START
3*7c478bd9Sstevel@tonic-gate *
4*7c478bd9Sstevel@tonic-gate * The contents of this file are subject to the terms of the
5*7c478bd9Sstevel@tonic-gate * Common Development and Distribution License, Version 1.0 only
6*7c478bd9Sstevel@tonic-gate * (the "License"). You may not use this file except in compliance
7*7c478bd9Sstevel@tonic-gate * with the License.
8*7c478bd9Sstevel@tonic-gate *
9*7c478bd9Sstevel@tonic-gate * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
10*7c478bd9Sstevel@tonic-gate * or http://www.opensolaris.org/os/licensing.
11*7c478bd9Sstevel@tonic-gate * See the License for the specific language governing permissions
12*7c478bd9Sstevel@tonic-gate * and limitations under the License.
13*7c478bd9Sstevel@tonic-gate *
14*7c478bd9Sstevel@tonic-gate * When distributing Covered Code, include this CDDL HEADER in each
15*7c478bd9Sstevel@tonic-gate * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
16*7c478bd9Sstevel@tonic-gate * If applicable, add the following below this CDDL HEADER, with the
17*7c478bd9Sstevel@tonic-gate * fields enclosed by brackets "[]" replaced with your own identifying
18*7c478bd9Sstevel@tonic-gate * information: Portions Copyright [yyyy] [name of copyright owner]
19*7c478bd9Sstevel@tonic-gate *
20*7c478bd9Sstevel@tonic-gate * CDDL HEADER END
21*7c478bd9Sstevel@tonic-gate */
22*7c478bd9Sstevel@tonic-gate /*
23*7c478bd9Sstevel@tonic-gate * Copyright (c) 1997, by Sun Microsystems, Inc.
24*7c478bd9Sstevel@tonic-gate * All rights reserved.
25*7c478bd9Sstevel@tonic-gate */
26*7c478bd9Sstevel@tonic-gate
27*7c478bd9Sstevel@tonic-gate /* Copyright (c) 1984, 1986, 1987, 1988, 1989 AT&T */
28*7c478bd9Sstevel@tonic-gate /* All Rights Reserved */
29*7c478bd9Sstevel@tonic-gate
30*7c478bd9Sstevel@tonic-gate
31*7c478bd9Sstevel@tonic-gate #pragma ident "%Z%%M% %I% %E% SMI"
32*7c478bd9Sstevel@tonic-gate
33*7c478bd9Sstevel@tonic-gate /*LINTLIBRARY*/
34*7c478bd9Sstevel@tonic-gate
35*7c478bd9Sstevel@tonic-gate #include <sys/types.h>
36*7c478bd9Sstevel@tonic-gate #include <stdio.h>
37*7c478bd9Sstevel@tonic-gate #include <ctype.h>
38*7c478bd9Sstevel@tonic-gate #include <userdefs.h>
39*7c478bd9Sstevel@tonic-gate #include <users.h>
40*7c478bd9Sstevel@tonic-gate
41*7c478bd9Sstevel@tonic-gate /*
42*7c478bd9Sstevel@tonic-gate * validate string given as group name.
43*7c478bd9Sstevel@tonic-gate */
44*7c478bd9Sstevel@tonic-gate int
valid_gname(char * group,struct group ** gptr,int * warning)45*7c478bd9Sstevel@tonic-gate valid_gname(char *group, struct group **gptr, int *warning)
46*7c478bd9Sstevel@tonic-gate {
47*7c478bd9Sstevel@tonic-gate struct group *t_gptr;
48*7c478bd9Sstevel@tonic-gate char *ptr = group;
49*7c478bd9Sstevel@tonic-gate char c;
50*7c478bd9Sstevel@tonic-gate int len = 0;
51*7c478bd9Sstevel@tonic-gate int badchar = 0;
52*7c478bd9Sstevel@tonic-gate
53*7c478bd9Sstevel@tonic-gate *warning = 0;
54*7c478bd9Sstevel@tonic-gate if (!group || !*group)
55*7c478bd9Sstevel@tonic-gate return (INVALID);
56*7c478bd9Sstevel@tonic-gate
57*7c478bd9Sstevel@tonic-gate for (c = *ptr; c != NULL; ptr++, c = *ptr) {
58*7c478bd9Sstevel@tonic-gate len++;
59*7c478bd9Sstevel@tonic-gate if (!isprint(c) || (c == ':') || (c == '\n'))
60*7c478bd9Sstevel@tonic-gate return (INVALID);
61*7c478bd9Sstevel@tonic-gate if (!(islower(c) || isdigit(c)))
62*7c478bd9Sstevel@tonic-gate badchar++;
63*7c478bd9Sstevel@tonic-gate }
64*7c478bd9Sstevel@tonic-gate
65*7c478bd9Sstevel@tonic-gate /*
66*7c478bd9Sstevel@tonic-gate * XXX constraints causes some operational/compatibility problem.
67*7c478bd9Sstevel@tonic-gate * This has to be revisited in the future as ARC/standards issue.
68*7c478bd9Sstevel@tonic-gate */
69*7c478bd9Sstevel@tonic-gate if (len > MAXGLEN - 1)
70*7c478bd9Sstevel@tonic-gate *warning = *warning | WARN_NAME_TOO_LONG;
71*7c478bd9Sstevel@tonic-gate if (badchar != 0)
72*7c478bd9Sstevel@tonic-gate *warning = *warning | WARN_BAD_GROUP_NAME;
73*7c478bd9Sstevel@tonic-gate
74*7c478bd9Sstevel@tonic-gate if ((t_gptr = getgrnam(group)) != NULL) {
75*7c478bd9Sstevel@tonic-gate if (gptr) *gptr = t_gptr;
76*7c478bd9Sstevel@tonic-gate return (NOTUNIQUE);
77*7c478bd9Sstevel@tonic-gate }
78*7c478bd9Sstevel@tonic-gate return (UNIQUE);
79*7c478bd9Sstevel@tonic-gate }
80