1 /* $NetBSD: compat_getpwent.c,v 1.3 2009/06/01 06:04:37 yamt Exp $ */ 2 3 /*- 4 * Copyright (c) 2008 The NetBSD Foundation, Inc. 5 * All rights reserved. 6 * 7 * This code is derived from software contributed to The NetBSD Foundation 8 * by Christos Zoulas. 9 * 10 * Redistribution and use in source and binary forms, with or without 11 * modification, are permitted provided that the following conditions 12 * are met: 13 * 1. Redistributions of source code must retain the above copyright 14 * notice, this list of conditions and the following disclaimer. 15 * 2. Redistributions in binary form must reproduce the above copyright 16 * notice, this list of conditions and the following disclaimer in the 17 * documentation and/or other materials provided with the distribution. 18 * 3. All advertising materials mentioning features or use of this software 19 * must display the following acknowledgement: 20 * This product includes software developed by the NetBSD 21 * Foundation, Inc. and its contributors. 22 * 4. Neither the name of The NetBSD Foundation nor the names of its 23 * contributors may be used to endorse or promote products derived 24 * from this software without specific prior written permission. 25 * 26 * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS 27 * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED 28 * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR 29 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS 30 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 31 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 32 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 33 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 34 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 35 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 36 * POSSIBILITY OF SUCH DAMAGE. 37 */ 38 #include <sys/cdefs.h> 39 #if defined(LIBC_SCCS) && !defined(lint) 40 __RCSID("$NetBSD: compat_getpwent.c,v 1.3 2009/06/01 06:04:37 yamt Exp $"); 41 #endif /* LIBC_SCCS and not lint */ 42 43 #define __LIBC12_SOURCE__ 44 45 #include "namespace.h" 46 #include <stdint.h> 47 #include <stdlib.h> 48 #include <pwd.h> 49 #include <compat/include/pwd.h> 50 51 __warn_references(getpwuid, 52 "warning: reference to compatibility getpwuid(); include <pwd.h> to generate correct reference") 53 __warn_references(getpwnam, 54 "warning: reference to compatibility getpwnam(); include <pwd.h> to generate correct reference") 55 __warn_references(getpwnam_r, 56 "warning: reference to compatibility getpwnam_r(); include <pwd.h> to generate correct reference") 57 __warn_references(getpwuid_r, 58 "warning: reference to compatibility getpwuid_r(); include <pwd.h> to generate correct reference") 59 __warn_references(getpwent, 60 "warning: reference to compatibility getpwent(); include <pwd.h> to generate correct reference") 61 #ifdef notdef /* for libutil */ 62 __warn_references(pw_scan, 63 "warning: reference to compatibility pw_scan(); include <pwd.h> to generate correct reference") 64 #endif 65 __warn_references(getpwent_r, 66 "warning: reference to compatibility getpwent_r(); include <pwd.h> to generate correct reference") 67 __warn_references(pwcache_userdb, 68 "warning: reference to compatibility pwcache_userdb(); include <pwd.h> to generate correct reference") 69 70 #ifdef __weak_alias 71 __weak_alias(getpwent, _getpwent) 72 __weak_alias(getpwent_r, _getpwent_r) 73 __weak_alias(getpwuid, _getpwuid) 74 __weak_alias(getpwuid_r, _getpwuid_r) 75 __weak_alias(getpwnam, _getpwnam) 76 __weak_alias(getpwnam_r, _getpwnam_r) 77 __weak_alias(pwcache_userdb, _pwcache_userdb) 78 #endif 79 80 static struct passwd50 * 81 cvt(struct passwd *p) 82 { 83 struct passwd50 *q = (void *)p; 84 85 if (q == NULL) { 86 return NULL; 87 } 88 q->pw_change = (int32_t)p->pw_change; 89 q->pw_class = p->pw_class; 90 q->pw_gecos = p->pw_gecos; 91 q->pw_dir = p->pw_dir; 92 q->pw_shell = p->pw_shell; 93 q->pw_expire = (int32_t)p->pw_expire; 94 return q; 95 } 96 97 struct passwd50 * 98 getpwuid(uid_t uid) 99 { 100 return cvt(__getpwuid50(uid)); 101 102 } 103 104 struct passwd50 * 105 getpwnam(const char *name) 106 { 107 return cvt(__getpwnam50(name)); 108 } 109 110 int 111 getpwnam_r(const char *name , struct passwd50 *p, char *buf, size_t len, 112 struct passwd50 **q) 113 { 114 struct passwd px, *qx; 115 int rv = __getpwnam_r50(name, &px, buf, len, &qx); 116 *q = p; 117 passwd_to_passwd50(&px, p); 118 return rv; 119 } 120 121 int 122 getpwuid_r(uid_t uid, struct passwd50 *p, char *buf, size_t len, 123 struct passwd50 **q) 124 { 125 struct passwd px, *qx; 126 int rv = __getpwuid_r50(uid, &px, buf, len, &qx); 127 *q = p; 128 passwd_to_passwd50(&px, p); 129 return rv; 130 } 131 132 struct passwd50 * 133 getpwent(void) 134 { 135 return cvt(__getpwent50()); 136 } 137 138 #ifdef notdef /* for libutil */ 139 int 140 pw_scan(char *buf, struct passwd50 *p, int *flags) 141 { 142 struct passwd px; 143 int rv = __pw_scan50(buf, &px, flags); 144 passwd_to_passwd50(&px, p); 145 return rv; 146 } 147 #endif 148 149 int 150 getpwent_r(struct passwd50 *p, char *buf, size_t len, struct passwd50 **q) 151 { 152 struct passwd px, *qx; 153 int rv = __getpwent_r50(&px, buf, len, &qx); 154 *q = p; 155 passwd_to_passwd50(&px, p); 156 return rv; 157 } 158 159 static struct passwd50 * (*__getpwnamf)(const char *); 160 static struct passwd50 * (*__getpwuidf)(uid_t); 161 static struct passwd pw; 162 163 static struct passwd * 164 internal_getpwnam(const char *name) 165 { 166 struct passwd50 *p = (*__getpwnamf)(name); 167 passwd50_to_passwd(p, &pw); 168 return &pw; 169 } 170 171 static struct passwd * 172 internal_getpwuid(uid_t uid) 173 { 174 struct passwd50 *p = (*__getpwuidf)(uid); 175 passwd50_to_passwd(p, &pw); 176 return &pw; 177 } 178 179 int pwcache_userdb(int (*setpassentf)(int), void (*endpwentf)(void), 180 struct passwd50 * (*getpwnamf)(const char *), 181 struct passwd50 * (*getpwuidf)(uid_t)) 182 { 183 __getpwnamf = getpwnamf; 184 __getpwuidf = getpwuidf; 185 return __pwcache_userdb50(setpassentf, endpwentf, internal_getpwnam, 186 internal_getpwuid); 187 } 188