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
46 extern int errmsg();
47 extern 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
59 char *cmdname = "groupadd";
60
61 int
main(int argc,char * argv[])62 main(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