minix/lib/nbsd_libc/compat/gen/compat_getpwent.c

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/* $NetBSD: compat_getpwent.c,v 1.3 2009/06/01 06:04:37 yamt Exp $ */
/*-
* Copyright (c) 2008 The NetBSD Foundation, Inc.
* All rights reserved.
*
* This code is derived from software contributed to The NetBSD Foundation
* by Christos Zoulas.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
* 3. All advertising materials mentioning features or use of this software
* must display the following acknowledgement:
* This product includes software developed by the NetBSD
* Foundation, Inc. and its contributors.
* 4. Neither the name of The NetBSD Foundation nor the names of its
* contributors may be used to endorse or promote products derived
* from this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
* ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
* TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
* BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
* POSSIBILITY OF SUCH DAMAGE.
*/
#include <sys/cdefs.h>
#if defined(LIBC_SCCS) && !defined(lint)
__RCSID("$NetBSD: compat_getpwent.c,v 1.3 2009/06/01 06:04:37 yamt Exp $");
#endif /* LIBC_SCCS and not lint */
#define __LIBC12_SOURCE__
#include "namespace.h"
#include <stdint.h>
#include <stdlib.h>
#include <pwd.h>
#include <compat/include/pwd.h>
__warn_references(getpwuid,
"warning: reference to compatibility getpwuid(); include <pwd.h> to generate correct reference")
__warn_references(getpwnam,
"warning: reference to compatibility getpwnam(); include <pwd.h> to generate correct reference")
__warn_references(getpwnam_r,
"warning: reference to compatibility getpwnam_r(); include <pwd.h> to generate correct reference")
__warn_references(getpwuid_r,
"warning: reference to compatibility getpwuid_r(); include <pwd.h> to generate correct reference")
__warn_references(getpwent,
"warning: reference to compatibility getpwent(); include <pwd.h> to generate correct reference")
#ifdef notdef /* for libutil */
__warn_references(pw_scan,
"warning: reference to compatibility pw_scan(); include <pwd.h> to generate correct reference")
#endif
__warn_references(getpwent_r,
"warning: reference to compatibility getpwent_r(); include <pwd.h> to generate correct reference")
__warn_references(pwcache_userdb,
"warning: reference to compatibility pwcache_userdb(); include <pwd.h> to generate correct reference")
#ifdef __weak_alias
__weak_alias(getpwent, _getpwent)
__weak_alias(getpwent_r, _getpwent_r)
__weak_alias(getpwuid, _getpwuid)
__weak_alias(getpwuid_r, _getpwuid_r)
__weak_alias(getpwnam, _getpwnam)
__weak_alias(getpwnam_r, _getpwnam_r)
__weak_alias(pwcache_userdb, _pwcache_userdb)
#endif
static struct passwd50 *
cvt(struct passwd *p)
{
struct passwd50 *q = (void *)p;
if (q == NULL) {
return NULL;
}
q->pw_change = (int32_t)p->pw_change;
q->pw_class = p->pw_class;
q->pw_gecos = p->pw_gecos;
q->pw_dir = p->pw_dir;
q->pw_shell = p->pw_shell;
q->pw_expire = (int32_t)p->pw_expire;
return q;
}
struct passwd50 *
getpwuid(uid_t uid)
{
return cvt(__getpwuid50(uid));
}
struct passwd50 *
getpwnam(const char *name)
{
return cvt(__getpwnam50(name));
}
int
getpwnam_r(const char *name , struct passwd50 *p, char *buf, size_t len,
struct passwd50 **q)
{
struct passwd px, *qx;
int rv = __getpwnam_r50(name, &px, buf, len, &qx);
*q = p;
passwd_to_passwd50(&px, p);
return rv;
}
int
getpwuid_r(uid_t uid, struct passwd50 *p, char *buf, size_t len,
struct passwd50 **q)
{
struct passwd px, *qx;
int rv = __getpwuid_r50(uid, &px, buf, len, &qx);
*q = p;
passwd_to_passwd50(&px, p);
return rv;
}
struct passwd50 *
getpwent(void)
{
return cvt(__getpwent50());
}
#ifdef notdef /* for libutil */
int
pw_scan(char *buf, struct passwd50 *p, int *flags)
{
struct passwd px;
int rv = __pw_scan50(buf, &px, flags);
passwd_to_passwd50(&px, p);
return rv;
}
#endif
int
getpwent_r(struct passwd50 *p, char *buf, size_t len, struct passwd50 **q)
{
struct passwd px, *qx;
int rv = __getpwent_r50(&px, buf, len, &qx);
*q = p;
passwd_to_passwd50(&px, p);
return rv;
}
static struct passwd50 * (*__getpwnamf)(const char *);
static struct passwd50 * (*__getpwuidf)(uid_t);
static struct passwd pw;
static struct passwd *
internal_getpwnam(const char *name)
{
struct passwd50 *p = (*__getpwnamf)(name);
passwd50_to_passwd(p, &pw);
return &pw;
}
static struct passwd *
internal_getpwuid(uid_t uid)
{
struct passwd50 *p = (*__getpwuidf)(uid);
passwd50_to_passwd(p, &pw);
return &pw;
}
int pwcache_userdb(int (*setpassentf)(int), void (*endpwentf)(void),
struct passwd50 * (*getpwnamf)(const char *),
struct passwd50 * (*getpwuidf)(uid_t))
{
__getpwnamf = getpwnamf;
__getpwuidf = getpwuidf;
return __pwcache_userdb50(setpassentf, endpwentf, internal_getpwnam,
internal_getpwuid);
}