1 /*- 2 * SPDX-License-Identifier: BSD-2-Clause 3 * 4 * Copyright (C) 1996 5 * David L. Nugent. All rights reserved. 6 * 7 * Redistribution and use in source and binary forms, with or without 8 * modification, are permitted provided that the following conditions 9 * are met: 10 * 1. Redistributions of source code must retain the above copyright 11 * notice, this list of conditions and the following disclaimer. 12 * 2. Redistributions in binary form must reproduce the above copyright 13 * notice, this list of conditions and the following disclaimer in the 14 * documentation and/or other materials provided with the distribution. 15 * 16 * THIS SOFTWARE IS PROVIDED BY DAVID L. NUGENT AND CONTRIBUTORS ``AS IS'' AND 17 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 18 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 19 * ARE DISCLAIMED. IN NO EVENT SHALL DAVID L. NUGENT OR CONTRIBUTORS BE LIABLE 20 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 21 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 22 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 23 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 24 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 25 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 26 * SUCH DAMAGE. 27 */ 28 29 #include <sys/types.h> 30 31 #include <err.h> 32 #include <pwd.h> 33 #include <libutil.h> 34 #include <unistd.h> 35 36 #include "pw.h" 37 38 static int 39 pw_nisupdate(const char * path, struct passwd * pwd, char const * user) 40 { 41 int pfd, tfd; 42 struct passwd *pw = NULL; 43 struct passwd *old_pw = NULL; 44 45 printf("===> %s\n", path); 46 if (pwd != NULL) 47 pw = pw_dup(pwd); 48 49 if (user != NULL) 50 old_pw = GETPWNAM(user); 51 52 if (pw_init(NULL, path)) 53 err(1,"pw_init()"); 54 if ((pfd = pw_lock()) == -1) { 55 pw_fini(); 56 err(1, "pw_lock()"); 57 } 58 if ((tfd = pw_tmp(-1)) == -1) { 59 pw_fini(); 60 err(1, "pw_tmp()"); 61 } 62 if (pw_copy(pfd, tfd, pw, old_pw) == -1) { 63 pw_fini(); 64 close(tfd); 65 err(1, "pw_copy()"); 66 } 67 fsync(tfd); 68 close(tfd); 69 if (chmod(pw_tempname(), 0644) == -1) 70 err(1, "chmod()"); 71 if (rename(pw_tempname(), path) == -1) 72 err(1, "rename()"); 73 74 free(pw); 75 pw_fini(); 76 77 return (0); 78 } 79 80 int 81 addnispwent(const char *path, struct passwd * pwd) 82 { 83 return pw_nisupdate(path, pwd, NULL); 84 } 85 86 int 87 chgnispwent(const char *path, char const * login, struct passwd * pwd) 88 { 89 return pw_nisupdate(path, pwd, login); 90 } 91 92 int 93 delnispwent(const char *path, const char *login) 94 { 95 return pw_nisupdate(path, NULL, login); 96 } 97