17c478bd9Sstevel@tonic-gate /* 27c478bd9Sstevel@tonic-gate * CDDL HEADER START 37c478bd9Sstevel@tonic-gate * 47c478bd9Sstevel@tonic-gate * The contents of this file are subject to the terms of the 57c478bd9Sstevel@tonic-gate * Common Development and Distribution License, Version 1.0 only 67c478bd9Sstevel@tonic-gate * (the "License"). You may not use this file except in compliance 77c478bd9Sstevel@tonic-gate * with the License. 87c478bd9Sstevel@tonic-gate * 97c478bd9Sstevel@tonic-gate * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE 107c478bd9Sstevel@tonic-gate * or http://www.opensolaris.org/os/licensing. 117c478bd9Sstevel@tonic-gate * See the License for the specific language governing permissions 127c478bd9Sstevel@tonic-gate * and limitations under the License. 137c478bd9Sstevel@tonic-gate * 147c478bd9Sstevel@tonic-gate * When distributing Covered Code, include this CDDL HEADER in each 157c478bd9Sstevel@tonic-gate * file and include the License file at usr/src/OPENSOLARIS.LICENSE. 167c478bd9Sstevel@tonic-gate * If applicable, add the following below this CDDL HEADER, with the 177c478bd9Sstevel@tonic-gate * fields enclosed by brackets "[]" replaced with your own identifying 187c478bd9Sstevel@tonic-gate * information: Portions Copyright [yyyy] [name of copyright owner] 197c478bd9Sstevel@tonic-gate * 207c478bd9Sstevel@tonic-gate * CDDL HEADER END 217c478bd9Sstevel@tonic-gate */ 227c478bd9Sstevel@tonic-gate /* Copyright (c) 1984, 1986, 1987, 1988, 1989 AT&T */ 237c478bd9Sstevel@tonic-gate /* All Rights Reserved */ 247c478bd9Sstevel@tonic-gate 25*414388d7Ssl108498 /* 26*414388d7Ssl108498 * Copyright 2005 Sun Microsystems, Inc. All rights reserved. 27*414388d7Ssl108498 * Use is subject to license terms. 28*414388d7Ssl108498 */ 29*414388d7Ssl108498 #pragma ident "%Z%%M% %I% %E% SMI" /* SVr4.0 1.6 */ 307c478bd9Sstevel@tonic-gate /* 317c478bd9Sstevel@tonic-gate * convert uid to login name; interface to getpwuid that keeps up to USIZE1 327c478bd9Sstevel@tonic-gate * names to avoid unnecessary accesses to passwd file 337c478bd9Sstevel@tonic-gate * returns ptr to NSZ-byte name (not necessarily null-terminated) 347c478bd9Sstevel@tonic-gate * returns ptr to "?" if cannot convert 357c478bd9Sstevel@tonic-gate */ 367c478bd9Sstevel@tonic-gate 377c478bd9Sstevel@tonic-gate #include <stdio.h> 387c478bd9Sstevel@tonic-gate #include <sys/types.h> 397c478bd9Sstevel@tonic-gate #include <sys/param.h> 407c478bd9Sstevel@tonic-gate #include "acctdef.h" 417c478bd9Sstevel@tonic-gate #include <pwd.h> 427c478bd9Sstevel@tonic-gate 43*414388d7Ssl108498 static int usize1; 447c478bd9Sstevel@tonic-gate static struct ulist { 457c478bd9Sstevel@tonic-gate char uname[NSZ]; 467c478bd9Sstevel@tonic-gate uid_t uuid; 477c478bd9Sstevel@tonic-gate } ul[USIZE1]; 487c478bd9Sstevel@tonic-gate 497c478bd9Sstevel@tonic-gate char *strncpy(); 507c478bd9Sstevel@tonic-gate 517c478bd9Sstevel@tonic-gate char * 527c478bd9Sstevel@tonic-gate uidtonam(uid) 537c478bd9Sstevel@tonic-gate uid_t uid; 547c478bd9Sstevel@tonic-gate { 557c478bd9Sstevel@tonic-gate register struct ulist *up; 567c478bd9Sstevel@tonic-gate struct passwd *getpwuid(); 577c478bd9Sstevel@tonic-gate register struct passwd *pp; 587c478bd9Sstevel@tonic-gate 597c478bd9Sstevel@tonic-gate for (up = ul; up < &ul[usize1]; up++) 607c478bd9Sstevel@tonic-gate if (uid == up->uuid) 617c478bd9Sstevel@tonic-gate return(up->uname); 627c478bd9Sstevel@tonic-gate setpwent(); 637c478bd9Sstevel@tonic-gate if ((pp = getpwuid(uid)) == NULL) 647c478bd9Sstevel@tonic-gate return("?"); 657c478bd9Sstevel@tonic-gate else { 667c478bd9Sstevel@tonic-gate if (usize1 < USIZE1) { 677c478bd9Sstevel@tonic-gate up->uuid = uid; 687c478bd9Sstevel@tonic-gate CPYN(up->uname, pp->pw_name); 697c478bd9Sstevel@tonic-gate usize1++; 707c478bd9Sstevel@tonic-gate } 717c478bd9Sstevel@tonic-gate return(pp->pw_name); 727c478bd9Sstevel@tonic-gate } 737c478bd9Sstevel@tonic-gate } 74