1/* 2 * Copyright (c) 1999 Apple Computer, Inc. All rights reserved. 3 * 4 * @APPLE_LICENSE_HEADER_START@ 5 * 6 * This file contains Original Code and/or Modifications of Original Code 7 * as defined in and that are subject to the Apple Public Source License 8 * Version 2.0 (the 'License'). You may not use this file except in 9 * compliance with the License. Please obtain a copy of the License at 10 * http://www.opensource.apple.com/apsl/ and read it before using this 11 * file. 12 * 13 * The Original Code and all software distributed under the License are 14 * distributed on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, EITHER 15 * EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES, 16 * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY, 17 * FITNESS FOR A PARTICULAR PURPOSE, QUIET ENJOYMENT OR NON-INFRINGEMENT. 18 * Please see the License for the specific language governing rights and 19 * limitations under the License. 20 * 21 * @APPLE_LICENSE_HEADER_END@ 22 */ 23/*- 24 * Copyright (c) 1990, 1993, 1994 25 * The Regents of the University of California. All rights reserved. 26 * 27 * Redistribution and use in source and binary forms, with or without 28 * modification, are permitted provided that the following conditions 29 * are met: 30 * 1. Redistributions of source code must retain the above copyright 31 * notice, this list of conditions and the following disclaimer. 32 * 2. Redistributions in binary form must reproduce the above copyright 33 * notice, this list of conditions and the following disclaimer in the 34 * documentation and/or other materials provided with the distribution. 35 * 3. All advertising materials mentioning features or use of this software 36 * must display the following acknowledgement: 37 * This product includes software developed by the University of 38 * California, Berkeley and its contributors. 39 * 4. Neither the name of the University nor the names of its contributors 40 * may be used to endorse or promote products derived from this software 41 * without specific prior written permission. 42 * 43 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND 44 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 45 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 46 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE 47 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 48 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 49 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 50 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 51 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 52 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 53 * SUCH DAMAGE. 54 */ 55 56/* 57 * This module is used to copy the master password file, replacing a single 58 * record, by chpass(1) and passwd(1). 59 */ 60 61#include <err.h> 62#include <pwd.h> 63#include <stdio.h> 64#include <string.h> 65 66#include <pw_util.h> 67#include "pw_copy.h" 68 69extern char *tempname; 70 71void 72pw_copy(ffd, tfd, pw) 73 int ffd, tfd; 74 struct passwd *pw; 75{ 76 FILE *from, *to; 77 int done; 78 char *p, buf[8192]; 79 80 if (!(from = fdopen(ffd, "r"))) 81 pw_error(_PATH_MASTERPASSWD, 1, 1); 82 if (!(to = fdopen(tfd, "w"))) 83 pw_error(tempname, 1, 1); 84 85 for (done = 0; fgets(buf, sizeof(buf), from);) { 86 if (!strchr(buf, '\n')) { 87 warnx("%s: line too long", _PATH_MASTERPASSWD); 88 pw_error(NULL, 0, 1); 89 } 90#if defined(__APPLE__) 91 if (done || (buf[0] == '#')) { 92#else 93 if (done) { 94#endif 95 (void)fprintf(to, "%s", buf); 96 if (ferror(to)) 97 goto err; 98 continue; 99 } 100 if (!(p = strchr(buf, ':'))) { 101 warnx("%s: corrupted entry", _PATH_MASTERPASSWD); 102 pw_error(NULL, 0, 1); 103 } 104 *p = '\0'; 105 if (strcmp(buf, pw->pw_name)) { 106 *p = ':'; 107 (void)fprintf(to, "%s", buf); 108 if (ferror(to)) 109 goto err; 110 continue; 111 } 112 (void)fprintf(to, "%s:%s:%d:%d:%s:%ld:%ld:%s:%s:%s\n", 113 pw->pw_name, pw->pw_passwd, pw->pw_uid, pw->pw_gid, 114 pw->pw_class, pw->pw_change, pw->pw_expire, pw->pw_gecos, 115 pw->pw_dir, pw->pw_shell); 116 done = 1; 117 if (ferror(to)) 118 goto err; 119 } 120 if (!done) 121 (void)fprintf(to, "%s:%s:%d:%d:%s:%ld:%ld:%s:%s:%s\n", 122 pw->pw_name, pw->pw_passwd, pw->pw_uid, pw->pw_gid, 123 pw->pw_class, pw->pw_change, pw->pw_expire, pw->pw_gecos, 124 pw->pw_dir, pw->pw_shell); 125 126 if (ferror(to)) 127err: pw_error(NULL, 1, 1); 128 (void)fclose(to); 129} 130