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177 lines
6.0 KiB
C
177 lines
6.0 KiB
C
/*-
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* SPDX-License-Identifier: BSD-3-Clause
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*
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* Copyright (c) 1989, 1993
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* The Regents of the University of California. All rights reserved.
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* (c) UNIX System Laboratories, Inc.
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* All or some portions of this file are derived from material licensed
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* to the University of California by American Telephone and Telegraph
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* Co. or Unix System Laboratories, Inc. and are reproduced herein with
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* the permission of UNIX System Laboratories, Inc.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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* 3. Neither the name of the University nor the names of its contributors
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* may be used to endorse or promote products derived from this software
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* without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
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* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
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* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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* SUCH DAMAGE.
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*
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* @(#)pwd.h 8.2 (Berkeley) 1/21/94
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*/
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#ifndef _PWD_H_
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#define _PWD_H_
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#include <sys/cdefs.h>
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#include <sys/_types.h>
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#ifndef _GID_T_DECLARED
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typedef __gid_t gid_t;
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#define _GID_T_DECLARED
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#endif
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#ifndef _TIME_T_DECLARED
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typedef __time_t time_t;
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#define _TIME_T_DECLARED
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#endif
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#ifndef _UID_T_DECLARED
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typedef __uid_t uid_t;
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#define _UID_T_DECLARED
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#endif
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#ifndef _SIZE_T_DECLARED
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typedef __size_t size_t;
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#define _SIZE_T_DECLARED
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#endif
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#define _PATH_PWD "/etc"
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#define _PATH_PASSWD "/etc/passwd"
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#define _PASSWD "passwd"
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#define _PATH_MASTERPASSWD "/etc/master.passwd"
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#define _MASTERPASSWD "master.passwd"
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#define _PATH_MP_DB "/etc/pwd.db"
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#define _MP_DB "pwd.db"
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#define _PATH_SMP_DB "/etc/spwd.db"
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#define _SMP_DB "spwd.db"
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#define _PATH_PWD_MKDB "/usr/sbin/pwd_mkdb"
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/* Historically, the keys in _PATH_MP_DB/_PATH_SMP_DB had the format
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* `1 octet tag | key', where the tag is one of the _PW_KEY* values
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* listed below. These values happen to be ASCII digits. Starting
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* with FreeBSD 5.1, the tag is now still a single octet, but the
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* upper 4 bits are interpreted as a version. Pre-FreeBSD 5.1 format
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* entries are version `3' -- this conveniently results in the same
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* key values as before. The new, architecture-independent entries
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* are version `4'.
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* As it happens, some applications read the database directly.
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* (Bad app, no cookie!) Thus, we leave the _PW_KEY* symbols at their
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* old pre-FreeBSD 5.1 values so these apps still work. Consequently
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* we have to muck around a bit more to get the correct, versioned
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* tag, and that is what the _PW_VERSIONED macro is about.
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*/
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#define _PW_VERSION_MASK '\xF0'
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#define _PW_VERSIONED(x, v) ((unsigned char)(((x) & 0xCF) | ((v)<<4)))
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#define _PW_KEYBYNAME '\x31' /* stored by name */
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#define _PW_KEYBYNUM '\x32' /* stored by entry in the "file" */
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#define _PW_KEYBYUID '\x33' /* stored by uid */
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#define _PW_KEYYPENABLED '\x34' /* YP is enabled */
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#define _PW_KEYYPBYNUM '\x35' /* special +@netgroup entries */
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/* The database also contains a key to indicate the format version of
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* the entries therein. There may be other, older versioned entries
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* as well.
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*/
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#define _PWD_VERSION_KEY "\xFF" "VERSION"
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#define _PWD_CURRENT_VERSION '\x04'
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#define _PASSWORD_EFMT1 '_' /* extended encryption format */
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#define _PASSWORD_LEN 128 /* max length, not counting NULL */
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struct passwd {
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char *pw_name; /* user name */
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char *pw_passwd; /* encrypted password */
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uid_t pw_uid; /* user uid */
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gid_t pw_gid; /* user gid */
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time_t pw_change; /* password change time */
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char *pw_class; /* user access class */
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char *pw_gecos; /* Honeywell login info */
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char *pw_dir; /* home directory */
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char *pw_shell; /* default shell */
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time_t pw_expire; /* account expiration */
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int pw_fields; /* internal: fields filled in */
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};
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/* Mapping from fields to bits for pw_fields. */
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#define _PWF(x) (1 << x)
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#define _PWF_NAME _PWF(0)
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#define _PWF_PASSWD _PWF(1)
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#define _PWF_UID _PWF(2)
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#define _PWF_GID _PWF(3)
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#define _PWF_CHANGE _PWF(4)
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#define _PWF_CLASS _PWF(5)
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#define _PWF_GECOS _PWF(6)
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#define _PWF_DIR _PWF(7)
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#define _PWF_SHELL _PWF(8)
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#define _PWF_EXPIRE _PWF(9)
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/* XXX These flags are bogus. With nsswitch, there are many
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* possible sources and they cannot be represented in a small integer.
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*/
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#define _PWF_SOURCE 0x3000
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#define _PWF_FILES 0x1000
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#define _PWF_NIS 0x2000
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#define _PWF_HESIOD 0x3000
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__BEGIN_DECLS
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struct passwd *getpwnam(const char *);
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struct passwd *getpwuid(uid_t);
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#if __XSI_VISIBLE >= 500
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void endpwent(void);
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struct passwd *getpwent(void);
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void setpwent(void);
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#endif
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#if __POSIX_VISIBLE >= 200112 || __XSI_VISIBLE >= 500
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int getpwnam_r(const char *, struct passwd *, char *, size_t,
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struct passwd **);
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int getpwuid_r(uid_t, struct passwd *, char *, size_t,
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struct passwd **);
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#endif
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#if __BSD_VISIBLE
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int getpwent_r(struct passwd *, char *, size_t, struct passwd **);
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int setpassent(int);
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const char *user_from_uid(uid_t, int);
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int uid_from_user(const char *, uid_t *);
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int pwcache_userdb(int (*)(int), void (*)(void),
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struct passwd * (*)(const char *),
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struct passwd * (*)(uid_t));
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#endif
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__END_DECLS
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#endif /* !_PWD_H_ */
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