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 #ifndef lint 30 static const char rcsid[] = 31 "$FreeBSD$"; 32 #endif /* not lint */ 33 34 #include <sys/types.h> 35 36 #include <err.h> 37 #include <pwd.h> 38 #include <libutil.h> 39 #include <unistd.h> 40 41 #include "pw.h" 42 43 static int 44 pw_nisupdate(const char * path, struct passwd * pwd, char const * user) 45 { 46 int pfd, tfd; 47 struct passwd *pw = NULL; 48 struct passwd *old_pw = NULL; 49 50 printf("===> %s\n", path); 51 if (pwd != NULL) 52 pw = pw_dup(pwd); 53 54 if (user != NULL) 55 old_pw = GETPWNAM(user); 56 57 if (pw_init(NULL, path)) 58 err(1,"pw_init()"); 59 if ((pfd = pw_lock()) == -1) { 60 pw_fini(); 61 err(1, "pw_lock()"); 62 } 63 if ((tfd = pw_tmp(-1)) == -1) { 64 pw_fini(); 65 err(1, "pw_tmp()"); 66 } 67 if (pw_copy(pfd, tfd, pw, old_pw) == -1) { 68 pw_fini(); 69 close(tfd); 70 err(1, "pw_copy()"); 71 } 72 fsync(tfd); 73 close(tfd); 74 if (chmod(pw_tempname(), 0644) == -1) 75 err(1, "chmod()"); 76 if (rename(pw_tempname(), path) == -1) 77 err(1, "rename()"); 78 79 free(pw); 80 pw_fini(); 81 82 return (0); 83 } 84 85 int 86 addnispwent(const char *path, struct passwd * pwd) 87 { 88 return pw_nisupdate(path, pwd, NULL); 89 } 90 91 int 92 chgnispwent(const char *path, char const * login, struct passwd * pwd) 93 { 94 return pw_nisupdate(path, pwd, login); 95 } 96 97 int 98 delnispwent(const char *path, const char *login) 99 { 100 return pw_nisupdate(path, NULL, login); 101 } 102