1/*
2 * CDDL HEADER START
3 *
4 * The contents of this file are subject to the terms of the
5 * Common Development and Distribution License, Version 1.0 only
6 * (the "License").  You may not use this file except in compliance
7 * with the License.
8 *
9 * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
10 * or http://www.opensolaris.org/os/licensing.
11 * See the License for the specific language governing permissions
12 * and limitations under the License.
13 *
14 * When distributing Covered Code, include this CDDL HEADER in each
15 * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
16 * If applicable, add the following below this CDDL HEADER, with the
17 * fields enclosed by brackets "[]" replaced with your own identifying
18 * information: Portions Copyright [yyyy] [name of copyright owner]
19 *
20 * CDDL HEADER END
21 */
22/*
23 * Copyright 2005 Sun Microsystems, Inc.  All rights reserved.
24 * Use is subject to license terms.
25 */
26
27/*	Copyright (c) 1984, 1986, 1987, 1988, 1989 AT&T	*/
28/*	  All Rights Reserved  	*/
29
30/*
31 * Copyright (c) 2013 RackTop Systems.
32 */
33
34#include	<sys/types.h>
35#include	<sys/param.h>
36#include	<stdio.h>
37#include	<stdlib.h>
38#include	<ctype.h>
39#include	<limits.h>
40#include	<userdefs.h>
41#include	<users.h>
42#include	<errno.h>
43#include	<libcmdutils.h>
44#include	"messages.h"
45
46extern int errmsg();
47extern int valid_gid(), add_group();
48
49/*
50 *  groupadd [-g gid [-o]] group
51 *
52 *	This command adds new groups to the system.  Arguments are:
53 *
54 *	gid - a gid_t less than MAXUID
55 *	group - a string of printable characters excluding colon(:) and less
56 *		than MAXGLEN characters long.
57 */
58
59char *cmdname = "groupadd";
60
61int
62main(int argc, char *argv[])
63{
64	int ch;				/* return from getopt */
65	gid_t gid;			/* group id */
66	int oflag = 0;	/* flags */
67	int rc;
68	char *gidstr = NULL;	/* gid from command line */
69	char *grpname;			/* group name from command line */
70	int warning;
71
72	while ((ch = getopt(argc, argv, "g:o")) != EOF)
73		switch (ch) {
74			case 'g':
75				gidstr = optarg;
76				break;
77			case 'o':
78				oflag++;
79				break;
80			case '?':
81				errmsg(M_AUSAGE);
82				exit(EX_SYNTAX);
83		}
84
85	if ((oflag && !gidstr) || optind != argc - 1) {
86		errmsg(M_AUSAGE);
87		exit(EX_SYNTAX);
88	}
89
90	grpname = argv[optind];
91
92	switch (valid_gname(grpname, NULL, &warning)) {
93	case INVALID:
94		errmsg(M_GRP_INVALID, grpname);
95		exit(EX_BADARG);
96		/*NOTREACHED*/
97	case NOTUNIQUE:
98		errmsg(M_GRP_USED, grpname);
99		exit(EX_NAME_EXISTS);
100		/*NOTREACHED*/
101	}
102	if (warning)
103		warningmsg(warning, grpname);
104
105	if (gidstr) {
106		/* Given a gid string - validate it */
107		char *ptr;
108
109		errno = 0;
110		gid = (gid_t)strtol(gidstr, &ptr, 10);
111
112		if (*ptr || errno == ERANGE) {
113			errmsg(M_GID_INVALID, gidstr);
114			exit(EX_BADARG);
115		}
116
117		switch (valid_gid(gid, NULL)) {
118		case RESERVED:
119			errmsg(M_RESERVED, gid);
120			break;
121
122		case NOTUNIQUE:
123			if (!oflag) {
124				errmsg(M_GRP_USED, gidstr);
125				exit(EX_ID_EXISTS);
126			}
127			break;
128
129		case INVALID:
130			errmsg(M_GID_INVALID, gidstr);
131			exit(EX_BADARG);
132
133		case TOOBIG:
134			errmsg(M_TOOBIG, gid);
135			exit(EX_BADARG);
136
137		}
138
139	} else {
140
141		if (findnextgid(DEFRID+1, MAXUID, &gid) != 0) {
142			errmsg(M_GID_INVALID, "default id");
143			exit(EX_ID_EXISTS);
144		}
145
146	}
147
148	if ((rc = add_group(grpname, gid)) != EX_SUCCESS)
149		errmsg(M_UPDATE, "created");
150
151	return (rc);
152}
153