10Sstevel@tonic-gate /* 20Sstevel@tonic-gate * CDDL HEADER START 30Sstevel@tonic-gate * 40Sstevel@tonic-gate * The contents of this file are subject to the terms of the 51914Scasper * Common Development and Distribution License (the "License"). 61914Scasper * You may not use this file except in compliance with the License. 70Sstevel@tonic-gate * 80Sstevel@tonic-gate * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE 90Sstevel@tonic-gate * or http://www.opensolaris.org/os/licensing. 100Sstevel@tonic-gate * See the License for the specific language governing permissions 110Sstevel@tonic-gate * and limitations under the License. 120Sstevel@tonic-gate * 130Sstevel@tonic-gate * When distributing Covered Code, include this CDDL HEADER in each 140Sstevel@tonic-gate * file and include the License file at usr/src/OPENSOLARIS.LICENSE. 150Sstevel@tonic-gate * If applicable, add the following below this CDDL HEADER, with the 160Sstevel@tonic-gate * fields enclosed by brackets "[]" replaced with your own identifying 170Sstevel@tonic-gate * information: Portions Copyright [yyyy] [name of copyright owner] 180Sstevel@tonic-gate * 190Sstevel@tonic-gate * CDDL HEADER END 200Sstevel@tonic-gate */ 21*6812Sraf 220Sstevel@tonic-gate /* 23*6812Sraf * Copyright 2008 Sun Microsystems, Inc. All rights reserved. 240Sstevel@tonic-gate * Use is subject to license terms. 250Sstevel@tonic-gate */ 260Sstevel@tonic-gate 270Sstevel@tonic-gate /* Copyright (c) 1988 AT&T */ 280Sstevel@tonic-gate /* All Rights Reserved */ 290Sstevel@tonic-gate 30*6812Sraf #pragma ident "%Z%%M% %I% %E% SMI" 310Sstevel@tonic-gate 32*6812Sraf #include "lint.h" 330Sstevel@tonic-gate #include "file64.h" 340Sstevel@tonic-gate #include <sys/types.h> 350Sstevel@tonic-gate #include <mtlib.h> 360Sstevel@tonic-gate #include <ctype.h> 370Sstevel@tonic-gate #include <thread.h> 380Sstevel@tonic-gate #include <synch.h> 390Sstevel@tonic-gate #include <stdio.h> 400Sstevel@tonic-gate #include "stdiom.h" 410Sstevel@tonic-gate #include "libc.h" 420Sstevel@tonic-gate 430Sstevel@tonic-gate static FILE *pwf; 440Sstevel@tonic-gate static mutex_t _pwlock = DEFAULTMUTEX; 450Sstevel@tonic-gate const char *PASSWD = "/etc/passwd"; 460Sstevel@tonic-gate 470Sstevel@tonic-gate int getpw(uid_t uid,char buf[])480Sstevel@tonic-gategetpw(uid_t uid, char buf[]) 490Sstevel@tonic-gate { 500Sstevel@tonic-gate int n, c; 510Sstevel@tonic-gate char *bp; 520Sstevel@tonic-gate FILE *fp; 530Sstevel@tonic-gate rmutex_t *lk; 540Sstevel@tonic-gate 550Sstevel@tonic-gate if (pwf == NULL) { 561914Scasper fp = fopen(PASSWD, "rF"); 570Sstevel@tonic-gate lmutex_lock(&_pwlock); 580Sstevel@tonic-gate if (pwf == NULL) { 590Sstevel@tonic-gate if ((pwf = fp) == NULL) { 600Sstevel@tonic-gate lmutex_unlock(&_pwlock); 610Sstevel@tonic-gate return (1); 620Sstevel@tonic-gate } 630Sstevel@tonic-gate fp = NULL; 640Sstevel@tonic-gate } 650Sstevel@tonic-gate lmutex_unlock(&_pwlock); 660Sstevel@tonic-gate if (fp != NULL) /* someone beat us to it */ 670Sstevel@tonic-gate (void) fclose(fp); 680Sstevel@tonic-gate } 690Sstevel@tonic-gate 700Sstevel@tonic-gate FLOCKFILE(lk, pwf); 710Sstevel@tonic-gate _rewind_unlocked(pwf); 720Sstevel@tonic-gate 730Sstevel@tonic-gate for (;;) { 740Sstevel@tonic-gate bp = buf; 750Sstevel@tonic-gate while ((c = GETC(pwf)) != '\n') { 760Sstevel@tonic-gate if (c == EOF) { 770Sstevel@tonic-gate FUNLOCKFILE(lk); 780Sstevel@tonic-gate return (1); 790Sstevel@tonic-gate } 800Sstevel@tonic-gate *bp++ = (char)c; 810Sstevel@tonic-gate } 820Sstevel@tonic-gate *bp = '\0'; 830Sstevel@tonic-gate bp = buf; 840Sstevel@tonic-gate n = 3; 850Sstevel@tonic-gate while (--n) 860Sstevel@tonic-gate while ((c = *bp++) != ':') 870Sstevel@tonic-gate if (c == '\n') { 880Sstevel@tonic-gate FUNLOCKFILE(lk); 890Sstevel@tonic-gate return (1); 900Sstevel@tonic-gate } 910Sstevel@tonic-gate while ((c = *bp++) != ':') 920Sstevel@tonic-gate if (isdigit(c)) 930Sstevel@tonic-gate n = n*10+c-'0'; 940Sstevel@tonic-gate else 950Sstevel@tonic-gate continue; 960Sstevel@tonic-gate if (n == uid) { 970Sstevel@tonic-gate FUNLOCKFILE(lk); 980Sstevel@tonic-gate return (0); 990Sstevel@tonic-gate } 1000Sstevel@tonic-gate } 1010Sstevel@tonic-gate } 102