1*0Sstevel@tonic-gate /* 2*0Sstevel@tonic-gate * CDDL HEADER START 3*0Sstevel@tonic-gate * 4*0Sstevel@tonic-gate * The contents of this file are subject to the terms of the 5*0Sstevel@tonic-gate * Common Development and Distribution License, Version 1.0 only 6*0Sstevel@tonic-gate * (the "License"). You may not use this file except in compliance 7*0Sstevel@tonic-gate * with the License. 8*0Sstevel@tonic-gate * 9*0Sstevel@tonic-gate * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE 10*0Sstevel@tonic-gate * or http://www.opensolaris.org/os/licensing. 11*0Sstevel@tonic-gate * See the License for the specific language governing permissions 12*0Sstevel@tonic-gate * and limitations under the License. 13*0Sstevel@tonic-gate * 14*0Sstevel@tonic-gate * When distributing Covered Code, include this CDDL HEADER in each 15*0Sstevel@tonic-gate * file and include the License file at usr/src/OPENSOLARIS.LICENSE. 16*0Sstevel@tonic-gate * If applicable, add the following below this CDDL HEADER, with the 17*0Sstevel@tonic-gate * fields enclosed by brackets "[]" replaced with your own identifying 18*0Sstevel@tonic-gate * information: Portions Copyright [yyyy] [name of copyright owner] 19*0Sstevel@tonic-gate * 20*0Sstevel@tonic-gate * CDDL HEADER END 21*0Sstevel@tonic-gate */ 22*0Sstevel@tonic-gate /* 23*0Sstevel@tonic-gate * Copyright 2004 Sun Microsystems, Inc. All rights reserved. 24*0Sstevel@tonic-gate * Use is subject to license terms. 25*0Sstevel@tonic-gate */ 26*0Sstevel@tonic-gate 27*0Sstevel@tonic-gate /* Copyright (c) 1984, 1986, 1987, 1988, 1989 AT&T */ 28*0Sstevel@tonic-gate /* All Rights Reserved */ 29*0Sstevel@tonic-gate 30*0Sstevel@tonic-gate 31*0Sstevel@tonic-gate #pragma ident "%Z%%M% %I% %E% SMI" /* SVr4.0 1.3 */ 32*0Sstevel@tonic-gate 33*0Sstevel@tonic-gate #include <sys/types.h> 34*0Sstevel@tonic-gate #include <stdio.h> 35*0Sstevel@tonic-gate #include <stdlib.h> 36*0Sstevel@tonic-gate #include <ctype.h> 37*0Sstevel@tonic-gate #include <limits.h> 38*0Sstevel@tonic-gate #include <userdefs.h> 39*0Sstevel@tonic-gate #include <users.h> 40*0Sstevel@tonic-gate #include <errno.h> 41*0Sstevel@tonic-gate #include "messages.h" 42*0Sstevel@tonic-gate 43*0Sstevel@tonic-gate /* 44*0Sstevel@tonic-gate * groupmod -g gid [-o] | -n name group 45*0Sstevel@tonic-gate * 46*0Sstevel@tonic-gate * This command modifies groups on the system. Arguments are: 47*0Sstevel@tonic-gate * 48*0Sstevel@tonic-gate * gid - a gid_t less than UID_MAX 49*0Sstevel@tonic-gate * name - a string of printable characters excluding colon (:) and less 50*0Sstevel@tonic-gate * than MAXGLEN characters long. 51*0Sstevel@tonic-gate * group - a string of printable characters excluding colon(:) and less 52*0Sstevel@tonic-gate * than MAXGLEN characters long. 53*0Sstevel@tonic-gate */ 54*0Sstevel@tonic-gate 55*0Sstevel@tonic-gate extern int valid_gid(), mod_group(); 56*0Sstevel@tonic-gate extern void errmsg(); 57*0Sstevel@tonic-gate 58*0Sstevel@tonic-gate char *cmdname = "groupmod"; 59*0Sstevel@tonic-gate 60*0Sstevel@tonic-gate main(argc, argv) 61*0Sstevel@tonic-gate int argc; 62*0Sstevel@tonic-gate char *argv[]; 63*0Sstevel@tonic-gate { 64*0Sstevel@tonic-gate int ch; /* return from getopt */ 65*0Sstevel@tonic-gate gid_t gid; /* group id */ 66*0Sstevel@tonic-gate int oflag = 0; /* flags */ 67*0Sstevel@tonic-gate int valret; /* return from valid_gid() */ 68*0Sstevel@tonic-gate char *gidstr = NULL; /* gid from command line */ 69*0Sstevel@tonic-gate char *newname = NULL; /* new group name with -n option */ 70*0Sstevel@tonic-gate char *grpname; /* group name from command line */ 71*0Sstevel@tonic-gate int warning; 72*0Sstevel@tonic-gate 73*0Sstevel@tonic-gate oflag = 0; /* flags */ 74*0Sstevel@tonic-gate 75*0Sstevel@tonic-gate while ((ch = getopt(argc, argv, "g:on:")) != EOF) { 76*0Sstevel@tonic-gate switch (ch) { 77*0Sstevel@tonic-gate case 'g': 78*0Sstevel@tonic-gate gidstr = optarg; 79*0Sstevel@tonic-gate break; 80*0Sstevel@tonic-gate case 'o': 81*0Sstevel@tonic-gate oflag++; 82*0Sstevel@tonic-gate break; 83*0Sstevel@tonic-gate case 'n': 84*0Sstevel@tonic-gate newname = optarg; 85*0Sstevel@tonic-gate break; 86*0Sstevel@tonic-gate case '?': 87*0Sstevel@tonic-gate errmsg(M_MUSAGE); 88*0Sstevel@tonic-gate exit(EX_SYNTAX); 89*0Sstevel@tonic-gate } 90*0Sstevel@tonic-gate } 91*0Sstevel@tonic-gate 92*0Sstevel@tonic-gate if ((oflag && !gidstr) || optind != argc - 1) { 93*0Sstevel@tonic-gate errmsg(M_MUSAGE); 94*0Sstevel@tonic-gate exit(EX_SYNTAX); 95*0Sstevel@tonic-gate } 96*0Sstevel@tonic-gate 97*0Sstevel@tonic-gate grpname = argv[optind]; 98*0Sstevel@tonic-gate 99*0Sstevel@tonic-gate if (gidstr) { 100*0Sstevel@tonic-gate /* convert gidstr to integer */ 101*0Sstevel@tonic-gate char *ptr; 102*0Sstevel@tonic-gate 103*0Sstevel@tonic-gate errno = 0; 104*0Sstevel@tonic-gate gid = (gid_t)strtol(gidstr, &ptr, 10); 105*0Sstevel@tonic-gate 106*0Sstevel@tonic-gate if (*ptr || errno == ERANGE) { 107*0Sstevel@tonic-gate errmsg(M_GID_INVALID, gidstr); 108*0Sstevel@tonic-gate exit(EX_BADARG); 109*0Sstevel@tonic-gate } 110*0Sstevel@tonic-gate 111*0Sstevel@tonic-gate switch (valid_gid(gid, NULL)) { 112*0Sstevel@tonic-gate case RESERVED: 113*0Sstevel@tonic-gate errmsg(M_RESERVED, gid); 114*0Sstevel@tonic-gate break; 115*0Sstevel@tonic-gate 116*0Sstevel@tonic-gate case NOTUNIQUE: 117*0Sstevel@tonic-gate if (!oflag) { 118*0Sstevel@tonic-gate errmsg(M_GRP_USED, gidstr); 119*0Sstevel@tonic-gate exit(EX_ID_EXISTS); 120*0Sstevel@tonic-gate } 121*0Sstevel@tonic-gate break; 122*0Sstevel@tonic-gate 123*0Sstevel@tonic-gate case INVALID: 124*0Sstevel@tonic-gate errmsg(M_GID_INVALID, gidstr); 125*0Sstevel@tonic-gate exit(EX_BADARG); 126*0Sstevel@tonic-gate /*NOTREACHED*/ 127*0Sstevel@tonic-gate 128*0Sstevel@tonic-gate case TOOBIG: 129*0Sstevel@tonic-gate errmsg(M_TOOBIG, gid); 130*0Sstevel@tonic-gate exit(EX_BADARG); 131*0Sstevel@tonic-gate /*NOTREACHED*/ 132*0Sstevel@tonic-gate 133*0Sstevel@tonic-gate } 134*0Sstevel@tonic-gate 135*0Sstevel@tonic-gate } else gid = -1; 136*0Sstevel@tonic-gate 137*0Sstevel@tonic-gate if (newname) { 138*0Sstevel@tonic-gate switch (valid_gname(newname, NULL, &warning)) { 139*0Sstevel@tonic-gate case INVALID: 140*0Sstevel@tonic-gate errmsg(M_GRP_INVALID, newname); 141*0Sstevel@tonic-gate exit(EX_BADARG); 142*0Sstevel@tonic-gate case NOTUNIQUE: 143*0Sstevel@tonic-gate errmsg(M_GRP_USED, newname); 144*0Sstevel@tonic-gate exit(EX_NAME_EXISTS); 145*0Sstevel@tonic-gate } 146*0Sstevel@tonic-gate if (warning) 147*0Sstevel@tonic-gate warningmsg(warning, newname); 148*0Sstevel@tonic-gate } 149*0Sstevel@tonic-gate 150*0Sstevel@tonic-gate if ((valret = mod_group(grpname, gid, newname)) != EX_SUCCESS) { 151*0Sstevel@tonic-gate if (valret == EX_NAME_NOT_EXIST) 152*0Sstevel@tonic-gate errmsg(M_NO_GROUP, grpname); 153*0Sstevel@tonic-gate else 154*0Sstevel@tonic-gate errmsg(M_UPDATE, "modified"); 155*0Sstevel@tonic-gate } 156*0Sstevel@tonic-gate 157*0Sstevel@tonic-gate return (valret); 158*0Sstevel@tonic-gate } 159