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 2000 Sun Microsystems, Inc. All rights reserved. 24*7c478bd9Sstevel@tonic-gate * Use is subject to license terms. 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 * University Copyright- Copyright (c) 1982, 1986, 1988 32*7c478bd9Sstevel@tonic-gate * The Regents of the University of California 33*7c478bd9Sstevel@tonic-gate * All Rights Reserved 34*7c478bd9Sstevel@tonic-gate * 35*7c478bd9Sstevel@tonic-gate * University Acknowledgment- Portions of this document are derived from 36*7c478bd9Sstevel@tonic-gate * software developed by the University of California, Berkeley, and its 37*7c478bd9Sstevel@tonic-gate * contributors. 38*7c478bd9Sstevel@tonic-gate */ 39*7c478bd9Sstevel@tonic-gate 40*7c478bd9Sstevel@tonic-gate #pragma ident "%Z%%M% %I% %E% SMI" 41*7c478bd9Sstevel@tonic-gate 42*7c478bd9Sstevel@tonic-gate /* 43*7c478bd9Sstevel@tonic-gate * groups - show group memberships 44*7c478bd9Sstevel@tonic-gate */ 45*7c478bd9Sstevel@tonic-gate /* LINTLIBRARY PROTOLIB1 */ 46*7c478bd9Sstevel@tonic-gate 47*7c478bd9Sstevel@tonic-gate #include <grp.h> 48*7c478bd9Sstevel@tonic-gate #include <pwd.h> 49*7c478bd9Sstevel@tonic-gate #include <stdio.h> 50*7c478bd9Sstevel@tonic-gate #include <unistd.h> 51*7c478bd9Sstevel@tonic-gate #include <stdlib.h> 52*7c478bd9Sstevel@tonic-gate 53*7c478bd9Sstevel@tonic-gate extern struct group *getgrgid(); 54*7c478bd9Sstevel@tonic-gate extern struct passwd *getpwnam(); 55*7c478bd9Sstevel@tonic-gate extern int _getgroupsbymember(const char *, gid_t[], int, int); 56*7c478bd9Sstevel@tonic-gate 57*7c478bd9Sstevel@tonic-gate static void showgroups(); 58*7c478bd9Sstevel@tonic-gate 59*7c478bd9Sstevel@tonic-gate static int ngroups_max; 60*7c478bd9Sstevel@tonic-gate 61*7c478bd9Sstevel@tonic-gate void 62*7c478bd9Sstevel@tonic-gate main(argc, argv) 63*7c478bd9Sstevel@tonic-gate int argc; 64*7c478bd9Sstevel@tonic-gate char *argv[]; 65*7c478bd9Sstevel@tonic-gate { 66*7c478bd9Sstevel@tonic-gate register int xval = 0; 67*7c478bd9Sstevel@tonic-gate register struct passwd *pw; 68*7c478bd9Sstevel@tonic-gate 69*7c478bd9Sstevel@tonic-gate ngroups_max = sysconf(_SC_NGROUPS_MAX); 70*7c478bd9Sstevel@tonic-gate 71*7c478bd9Sstevel@tonic-gate if (ngroups_max < 0) { 72*7c478bd9Sstevel@tonic-gate (void) fprintf(stderr, 73*7c478bd9Sstevel@tonic-gate "groups: could not get configuration info\n"); 74*7c478bd9Sstevel@tonic-gate exit(1); 75*7c478bd9Sstevel@tonic-gate } 76*7c478bd9Sstevel@tonic-gate 77*7c478bd9Sstevel@tonic-gate if (ngroups_max == 0) 78*7c478bd9Sstevel@tonic-gate exit(0); 79*7c478bd9Sstevel@tonic-gate 80*7c478bd9Sstevel@tonic-gate if (argc == 1) { 81*7c478bd9Sstevel@tonic-gate 82*7c478bd9Sstevel@tonic-gate if ((pw = getpwuid(getuid())) == NULL) { 83*7c478bd9Sstevel@tonic-gate (void) fprintf(stderr, "groups: No passwd entry\n"); 84*7c478bd9Sstevel@tonic-gate xval = 1; 85*7c478bd9Sstevel@tonic-gate } else 86*7c478bd9Sstevel@tonic-gate showgroups(pw); 87*7c478bd9Sstevel@tonic-gate 88*7c478bd9Sstevel@tonic-gate } else while (*++argv) { 89*7c478bd9Sstevel@tonic-gate 90*7c478bd9Sstevel@tonic-gate if ((pw = getpwnam(*argv)) == NULL) { 91*7c478bd9Sstevel@tonic-gate (void) fprintf(stderr, 92*7c478bd9Sstevel@tonic-gate "groups: %s : No such user\n", *argv); 93*7c478bd9Sstevel@tonic-gate xval = 1; 94*7c478bd9Sstevel@tonic-gate } else { 95*7c478bd9Sstevel@tonic-gate if (argc > 2) 96*7c478bd9Sstevel@tonic-gate (void) printf("%s : ", *argv); 97*7c478bd9Sstevel@tonic-gate showgroups(pw); 98*7c478bd9Sstevel@tonic-gate } 99*7c478bd9Sstevel@tonic-gate } 100*7c478bd9Sstevel@tonic-gate 101*7c478bd9Sstevel@tonic-gate exit(xval); 102*7c478bd9Sstevel@tonic-gate 103*7c478bd9Sstevel@tonic-gate } 104*7c478bd9Sstevel@tonic-gate 105*7c478bd9Sstevel@tonic-gate static void 106*7c478bd9Sstevel@tonic-gate showgroups(pw) 107*7c478bd9Sstevel@tonic-gate register struct passwd *pw; 108*7c478bd9Sstevel@tonic-gate { 109*7c478bd9Sstevel@tonic-gate register struct group *gr; 110*7c478bd9Sstevel@tonic-gate static gid_t *groups = NULL; 111*7c478bd9Sstevel@tonic-gate int ngroups; 112*7c478bd9Sstevel@tonic-gate int i; 113*7c478bd9Sstevel@tonic-gate 114*7c478bd9Sstevel@tonic-gate if (groups == NULL) { 115*7c478bd9Sstevel@tonic-gate if ((groups = (gid_t *)calloc((uint_t)ngroups_max, 116*7c478bd9Sstevel@tonic-gate sizeof (gid_t))) == 0) { 117*7c478bd9Sstevel@tonic-gate (void) fprintf(stderr, 118*7c478bd9Sstevel@tonic-gate "allocation of %d bytes failed\n", 119*7c478bd9Sstevel@tonic-gate ngroups_max * sizeof (gid_t)); 120*7c478bd9Sstevel@tonic-gate exit(1); 121*7c478bd9Sstevel@tonic-gate } 122*7c478bd9Sstevel@tonic-gate } 123*7c478bd9Sstevel@tonic-gate groups[0] = pw->pw_gid; 124*7c478bd9Sstevel@tonic-gate 125*7c478bd9Sstevel@tonic-gate ngroups = _getgroupsbymember(pw->pw_name, groups, ngroups_max, 1); 126*7c478bd9Sstevel@tonic-gate 127*7c478bd9Sstevel@tonic-gate if (gr = getgrgid(groups[0])) 128*7c478bd9Sstevel@tonic-gate (void) printf("%s", gr->gr_name); 129*7c478bd9Sstevel@tonic-gate else 130*7c478bd9Sstevel@tonic-gate (void) printf("%d", (int)pw->pw_gid); 131*7c478bd9Sstevel@tonic-gate 132*7c478bd9Sstevel@tonic-gate for (i = 1; i < ngroups; i++) { 133*7c478bd9Sstevel@tonic-gate if ((gr = getgrgid(groups[i]))) 134*7c478bd9Sstevel@tonic-gate (void) printf(" %s", gr->gr_name); 135*7c478bd9Sstevel@tonic-gate else 136*7c478bd9Sstevel@tonic-gate (void) printf(" %d", (int)groups[i]); 137*7c478bd9Sstevel@tonic-gate } 138*7c478bd9Sstevel@tonic-gate 139*7c478bd9Sstevel@tonic-gate (void) printf("\n"); 140*7c478bd9Sstevel@tonic-gate } 141