1 /*- 2 * Copyright (c) 1989, 1993 3 * The Regents of the University of California. All rights reserved. 4 * (c) UNIX System Laboratories, Inc. 5 * All or some portions of this file are derived from material licensed 6 * to the University of California by American Telephone and Telegraph 7 * Co. or Unix System Laboratories, Inc. and are reproduced herein with 8 * the permission of UNIX System Laboratories, Inc. 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. Neither the name of the University nor the names of its contributors 19 * may be used to endorse or promote products derived from this software 20 * without specific prior written permission. 21 * 22 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND 23 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 24 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 25 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE 26 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 27 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 28 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 29 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 30 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 31 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 32 * SUCH DAMAGE. 33 * 34 * @(#)pwd.h 8.2 (Berkeley) 1/21/94 35 * $FreeBSD: src/include/pwd.h,v 1.17 2009/03/14 19:13:01 das Exp $ 36 */ 37 38 #ifndef _PWD_H_ 39 #define _PWD_H_ 40 41 #include <sys/cdefs.h> 42 #include <machine/stdint.h> 43 44 #ifndef _GID_T_DECLARED 45 typedef __uint32_t gid_t; 46 #define _GID_T_DECLARED 47 #endif 48 49 #ifndef _SIZE_T_DECLARED 50 typedef __size_t size_t; 51 #define _SIZE_T_DECLARED 52 #endif 53 54 #ifndef _TIME_T_DECLARED 55 typedef __time_t time_t; 56 #define _TIME_T_DECLARED 57 #endif 58 59 #ifndef _UID_T_DECLARED 60 typedef __uint32_t uid_t; 61 #define _UID_T_DECLARED 62 #endif 63 64 #define _PATH_PWD "/etc" 65 #define _PATH_PASSWD "/etc/passwd" 66 #define _PASSWD "passwd" 67 #define _PATH_MASTERPASSWD "/etc/master.passwd" 68 #define _MASTERPASSWD "master.passwd" 69 70 #define _PATH_MP_DB "/etc/pwd.db" 71 #define _MP_DB "pwd.db" 72 #define _PATH_SMP_DB "/etc/spwd.db" 73 #define _SMP_DB "spwd.db" 74 75 #define _PATH_PWD_MKDB "/usr/sbin/pwd_mkdb" 76 77 /* Historically, the keys in _PATH_MP_DB/_PATH_SMP_DB had the format 78 * `1 octet tag | key', where the tag is one of the _PW_KEY* values 79 * listed below. These values happen to be ASCII digits. 80 * The tag is now still a single octet, but the 81 * upper 4 bits are interpreted as a version. Previous format 82 * entries are version `3' -- this conveniently results in the same 83 * key values as before. The new, architecture-independent entries 84 * are version `4'. 85 * As it happens, some applications read the database directly. 86 * (Bad app, no cookie!) Thus, we leave the _PW_KEY* symbols at their 87 * old values so these apps still work. Consequently 88 * we have to muck around a bit more to get the correct, versioned 89 * tag, and that is what the _PW_VERSIONED macro is about. 90 */ 91 92 #define _PW_VERSION_MASK '\xF0' 93 #define _PW_VERSIONED(x, v) ((unsigned char)(((x) & 0xCF) | ((v)<<4))) 94 95 #define _PW_KEYBYNAME '\x31' /* stored by name */ 96 #define _PW_KEYBYNUM '\x32' /* stored by entry in the "file" */ 97 #define _PW_KEYBYUID '\x33' /* stored by uid */ 98 #define _PW_KEYYPENABLED '\x34' /* YP is enabled */ 99 #define _PW_KEYYPBYNUM '\x35' /* special +@netgroup entries */ 100 101 /* The database also contains a key to indicate the format version of 102 * the entries therein. There may be other, older versioned entries 103 * as well. 104 */ 105 #define _PWD_VERSION_KEY "\xFF" "VERSION" 106 #define _PWD_CURRENT_VERSION '\x04' 107 108 #define _PASSWORD_EFMT1 '_' /* extended encryption format */ 109 110 #define _PASSWORD_LEN 128 /* max length, not counting NULL */ 111 112 struct passwd { 113 char *pw_name; /* user name */ 114 char *pw_passwd; /* encrypted password */ 115 uid_t pw_uid; /* user uid */ 116 gid_t pw_gid; /* user gid */ 117 time_t pw_change; /* password change time */ 118 char *pw_class; /* user access class */ 119 char *pw_gecos; /* Honeywell login info */ 120 char *pw_dir; /* home directory */ 121 char *pw_shell; /* default shell */ 122 time_t pw_expire; /* account expiration */ 123 int pw_fields; /* internal: fields filled in */ 124 }; 125 126 /* Mapping from fields to bits for pw_fields. */ 127 #define _PWF(x) (1 << x) 128 #define _PWF_NAME _PWF(0) 129 #define _PWF_PASSWD _PWF(1) 130 #define _PWF_UID _PWF(2) 131 #define _PWF_GID _PWF(3) 132 #define _PWF_CHANGE _PWF(4) 133 #define _PWF_CLASS _PWF(5) 134 #define _PWF_GECOS _PWF(6) 135 #define _PWF_DIR _PWF(7) 136 #define _PWF_SHELL _PWF(8) 137 #define _PWF_EXPIRE _PWF(9) 138 139 /* XXX These flags are bogus. With nsswitch, there are many 140 * possible sources and they cannot be represented in a small integer. 141 */ 142 #define _PWF_SOURCE 0x3000 143 #define _PWF_FILES 0x1000 144 #define _PWF_NIS 0x2000 145 #define _PWF_HESIOD 0x3000 146 147 __BEGIN_DECLS 148 struct passwd *getpwnam(const char *); 149 struct passwd *getpwuid(uid_t); 150 151 #if __XSI_VISIBLE >= 500 152 void endpwent(void); 153 struct passwd *getpwent(void); 154 void setpwent(void); 155 #endif 156 157 #if __POSIX_VISIBLE >= 200112 || __XSI_VISIBLE >= 500 158 int getpwnam_r(const char *, struct passwd *, char *, size_t, 159 struct passwd **); 160 int getpwuid_r(uid_t, struct passwd *, char *, size_t, 161 struct passwd **); 162 #endif 163 164 #if __BSD_VISIBLE 165 int getpwent_r(struct passwd *, char *, size_t, struct passwd **); 166 int setpassent(int); 167 const char *user_from_uid(uid_t, int); 168 int uid_from_user(const char *, uid_t *); 169 int pwcache_userdb(int (*)(int), void (*)(void), 170 struct passwd * (*)(const char *), 171 struct passwd * (*)(uid_t)); 172 #endif 173 __END_DECLS 174 175 #endif /* !_PWD_H_ */ 176