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 2004 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 #pragma ident "%Z%%M% %I% %E% SMI" /* SVr4.0 1.4 */ 32 33 #include <sys/types.h> 34 #include <stdio.h> 35 #include <stdlib.h> 36 #include <ctype.h> 37 #include <limits.h> 38 #include <userdefs.h> 39 #include <users.h> 40 #include <errno.h> 41 #include "messages.h" 42 43 extern int errmsg(); 44 extern gid_t findnextgid(); 45 extern int valid_gid(), add_group(); 46 47 /* 48 * groupadd [-g gid [-o]] group 49 * 50 * This command adds new groups to the system. Arguments are: 51 * 52 * gid - a gid_t less than MAXUID 53 * group - a string of printable characters excluding colon(:) and less 54 * than MAXGLEN characters long. 55 */ 56 57 char *cmdname = "groupadd"; 58 59 main(argc, argv) 60 int argc; 61 char *argv[]; 62 { 63 int ch; /* return from getopt */ 64 gid_t gid; /* group id */ 65 int oflag = 0; /* flags */ 66 register rc; 67 char *gidstr = NULL; /* gid from command line */ 68 char *grpname; /* group name from command line */ 69 int warning; 70 71 while ((ch = getopt(argc, argv, "g:o")) != EOF) 72 switch (ch) { 73 case 'g': 74 gidstr = optarg; 75 break; 76 case 'o': 77 oflag++; 78 break; 79 case '?': 80 errmsg(M_AUSAGE); 81 exit(EX_SYNTAX); 82 } 83 84 if ((oflag && !gidstr) || optind != argc - 1) { 85 errmsg(M_AUSAGE); 86 exit(EX_SYNTAX); 87 } 88 89 grpname = argv[optind]; 90 91 switch (valid_gname(grpname, NULL, &warning)) { 92 case INVALID: 93 errmsg(M_GRP_INVALID, grpname); 94 exit(EX_BADARG); 95 /*NOTREACHED*/ 96 case NOTUNIQUE: 97 errmsg(M_GRP_USED, grpname); 98 exit(EX_NAME_EXISTS); 99 /*NOTREACHED*/ 100 } 101 if (warning) 102 warningmsg(warning, grpname); 103 104 if (gidstr) { 105 /* Given a gid string - validate it */ 106 char *ptr; 107 108 errno = 0; 109 gid = (gid_t)strtol(gidstr, &ptr, 10); 110 111 if (*ptr || errno == ERANGE) { 112 errmsg(M_GID_INVALID, gidstr); 113 exit(EX_BADARG); 114 } 115 116 switch (valid_gid(gid, NULL)) { 117 case RESERVED: 118 errmsg(M_RESERVED, gid); 119 break; 120 121 case NOTUNIQUE: 122 if (!oflag) { 123 errmsg(M_GRP_USED, gidstr); 124 exit(EX_ID_EXISTS); 125 } 126 break; 127 128 case INVALID: 129 errmsg(M_GID_INVALID, gidstr); 130 exit(EX_BADARG); 131 132 case TOOBIG: 133 errmsg(M_TOOBIG, gid); 134 exit(EX_BADARG); 135 136 } 137 138 } else { 139 140 if ((gid = findnextgid()) < 0) { 141 errmsg(M_GID_INVALID, "default id"); 142 exit(EX_ID_EXISTS); 143 } 144 145 } 146 147 if ((rc = add_group(grpname, gid)) != EX_SUCCESS) 148 errmsg(M_UPDATE, "created"); 149 150 return (rc); 151 } 152