1/*- 2 * SPDX-License-Identifier: BSD-3-Clause 3 * 4 * Copyright (c) 1989, 1993 5 * The Regents of the University of California. All rights reserved. 6 * (c) UNIX System Laboratories, Inc. 7 * All or some portions of this file are derived from material licensed 8 * to the University of California by American Telephone and Telegraph 9 * Co. or Unix System Laboratories, Inc. and are reproduced herein with 10 * the permission of UNIX System Laboratories, Inc. 11 * 12 * Redistribution and use in source and binary forms, with or without 13 * modification, are permitted provided that the following conditions 14 * are met: 15 * 1. Redistributions of source code must retain the above copyright 16 * notice, this list of conditions and the following disclaimer. 17 * 2. Redistributions in binary form must reproduce the above copyright 18 * notice, this list of conditions and the following disclaimer in the 19 * documentation and/or other materials provided with the distribution. 20 * 3. Neither the name of the University nor the names of its contributors 21 * may be used to endorse or promote products derived from this software 22 * without specific prior written permission. 23 * 24 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND 25 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 26 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 27 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE 28 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 29 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 30 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 31 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 32 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 33 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 34 * SUCH DAMAGE. 35 * 36 * @(#)pwd.h 8.2 (Berkeley) 1/21/94 37 * $FreeBSD$ 38 */ 39 40#ifndef _PWD_H_ 41#define _PWD_H_ 42 43#include <sys/cdefs.h> 44#include <sys/_types.h> 45 46#ifndef _GID_T_DECLARED 47typedef __gid_t gid_t; 48#define _GID_T_DECLARED 49#endif 50 51#ifndef _TIME_T_DECLARED 52typedef __time_t time_t; 53#define _TIME_T_DECLARED 54#endif 55 56#ifndef _UID_T_DECLARED 57typedef __uid_t uid_t; 58#define _UID_T_DECLARED 59#endif 60 61#ifndef _SIZE_T_DECLARED 62typedef __size_t size_t; 63#define _SIZE_T_DECLARED 64#endif 65 66#define _PATH_PWD "/etc" 67#define _PATH_PASSWD "/etc/passwd" 68#define _PASSWD "passwd" 69#define _PATH_MASTERPASSWD "/etc/master.passwd" 70#define _MASTERPASSWD "master.passwd" 71 72#define _PATH_MP_DB "/etc/pwd.db" 73#define _MP_DB "pwd.db" 74#define _PATH_SMP_DB "/etc/spwd.db" 75#define _SMP_DB "spwd.db" 76 77#define _PATH_PWD_MKDB "/usr/sbin/pwd_mkdb" 78 79/* Historically, the keys in _PATH_MP_DB/_PATH_SMP_DB had the format 80 * `1 octet tag | key', where the tag is one of the _PW_KEY* values 81 * listed below. These values happen to be ASCII digits. Starting 82 * with FreeBSD 5.1, the tag is now still a single octet, but the 83 * upper 4 bits are interpreted as a version. Pre-FreeBSD 5.1 format 84 * entries are version `3' -- this conveniently results in the same 85 * key values as before. The new, architecture-independent entries 86 * are version `4'. 87 * As it happens, some applications read the database directly. 88 * (Bad app, no cookie!) Thus, we leave the _PW_KEY* symbols at their 89 * old pre-FreeBSD 5.1 values so these apps still work. Consequently 90 * we have to muck around a bit more to get the correct, versioned 91 * tag, and that is what the _PW_VERSIONED macro is about. 92 */ 93 94#define _PW_VERSION_MASK '\xF0' 95#define _PW_VERSIONED(x, v) ((unsigned char)(((x) & 0xCF) | ((v)<<4))) 96 97#define _PW_KEYBYNAME '\x31' /* stored by name */ 98#define _PW_KEYBYNUM '\x32' /* stored by entry in the "file" */ 99#define _PW_KEYBYUID '\x33' /* stored by uid */ 100#define _PW_KEYYPENABLED '\x34' /* YP is enabled */ 101#define _PW_KEYYPBYNUM '\x35' /* special +@netgroup entries */ 102 103/* The database also contains a key to indicate the format version of 104 * the entries therein. There may be other, older versioned entries 105 * as well. 106 */ 107#define _PWD_VERSION_KEY "\xFF" "VERSION" 108#define _PWD_CURRENT_VERSION '\x04' 109 110#define _PASSWORD_EFMT1 '_' /* extended encryption format */ 111 112#define _PASSWORD_LEN 128 /* max length, not counting NULL */ 113 114struct passwd { 115 char *pw_name; /* user name */ 116 char *pw_passwd; /* encrypted password */ 117 uid_t pw_uid; /* user uid */ 118 gid_t pw_gid; /* user gid */ 119 time_t pw_change; /* password change time */ 120 char *pw_class; /* user access class */ 121 char *pw_gecos; /* Honeywell login info */ 122 char *pw_dir; /* home directory */ 123 char *pw_shell; /* default shell */ 124 time_t pw_expire; /* account expiration */ 125 int pw_fields; /* internal: fields filled in */ 126}; 127 128/* Mapping from fields to bits for pw_fields. */ 129#define _PWF(x) (1 << x) 130#define _PWF_NAME _PWF(0) 131#define _PWF_PASSWD _PWF(1) 132#define _PWF_UID _PWF(2) 133#define _PWF_GID _PWF(3) 134#define _PWF_CHANGE _PWF(4) 135#define _PWF_CLASS _PWF(5) 136#define _PWF_GECOS _PWF(6) 137#define _PWF_DIR _PWF(7) 138#define _PWF_SHELL _PWF(8) 139#define _PWF_EXPIRE _PWF(9) 140 141/* XXX These flags are bogus. With nsswitch, there are many 142 * possible sources and they cannot be represented in a small integer. 143 */ 144#define _PWF_SOURCE 0x3000 145#define _PWF_FILES 0x1000 146#define _PWF_NIS 0x2000 147#define _PWF_HESIOD 0x3000 148 149__BEGIN_DECLS 150struct passwd *getpwnam(const char *); 151struct passwd *getpwuid(uid_t); 152 153#if __XSI_VISIBLE >= 500 154void endpwent(void); 155struct passwd *getpwent(void); 156void setpwent(void); 157#endif 158 159#if __POSIX_VISIBLE >= 200112 || __XSI_VISIBLE >= 500 160int getpwnam_r(const char *, struct passwd *, char *, size_t, 161 struct passwd **); 162int getpwuid_r(uid_t, struct passwd *, char *, size_t, 163 struct passwd **); 164#endif 165 166#if __BSD_VISIBLE 167int getpwent_r(struct passwd *, char *, size_t, struct passwd **); 168int setpassent(int); 169const char *user_from_uid(uid_t, int); 170int uid_from_user(const char *, uid_t *); 171int pwcache_userdb(int (*)(int), void (*)(void), 172 struct passwd * (*)(const char *), 173 struct passwd * (*)(uid_t)); 174#endif 175__END_DECLS 176 177#endif /* !_PWD_H_ */ 178