freebsd-dev/contrib/bind/lib/irs/getpwent.c
Peter Wemm 4e0ffe0bae Import (trimmed) ISC bind-8.1.2-t3b. This will be updated to 8.1.2 on
final release.

Obtained from:  ftp.isc.org
1998-05-03 04:11:49 +00:00

136 lines
2.7 KiB
C

/*
* Copyright (c) 1996 by Internet Software Consortium.
*
* Permission to use, copy, modify, and distribute this software for any
* purpose with or without fee is hereby granted, provided that the above
* copyright notice and this permission notice appear in all copies.
*
* THE SOFTWARE IS PROVIDED "AS IS" AND INTERNET SOFTWARE CONSORTIUM DISCLAIMS
* ALL WARRANTIES WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES
* OF MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL INTERNET SOFTWARE
* CONSORTIUM BE LIABLE FOR ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL
* DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR
* PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS
* ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS
* SOFTWARE.
*/
#if !defined(LINT) && !defined(CODECENTER)
static char rcsid[] = "$Id: getpwent.c,v 1.13 1998/03/21 00:59:48 halley Exp $";
#endif
/* Imports */
#include "port_before.h"
#ifndef WANT_IRS_PW
static int __bind_irs_pw_unneeded;
#else
#include <sys/types.h>
#include <errno.h>
#include <pwd.h>
#include <stdio.h>
#include <irs.h>
#include "port_after.h"
#include "irs_data.h"
/* Forward */
static struct irs_pw * init(void);
/* Public */
struct passwd *
getpwent(void) {
struct irs_pw *pw = init();
if (!pw)
return (NULL);
net_data.pw_last = (*pw->next)(pw);
return (net_data.pw_last);
}
struct passwd *
getpwnam(const char *name) {
struct irs_pw *pw = init();
if (!pw)
return (NULL);
if (net_data.pw_stayopen && net_data.pw_last &&
!strcmp(net_data.pw_last->pw_name, name))
return (net_data.pw_last);
net_data.pw_last = (*pw->byname)(pw, name);
if (!net_data.pw_stayopen)
endpwent();
return (net_data.pw_last);
}
struct passwd *
getpwuid(uid_t uid) {
struct irs_pw *pw = init();
if (!pw)
return (NULL);
if (net_data.pw_stayopen && net_data.pw_last &&
net_data.pw_last->pw_uid == uid)
return (net_data.pw_last);
net_data.pw_last = (*pw->byuid)(pw, uid);
if (!net_data.pw_stayopen)
endpwent();
return (net_data.pw_last);
}
int
setpassent(int stayopen) {
struct irs_pw *pw = init();
if (!pw)
return (0);
(*pw->rewind)(pw);
net_data.pw_stayopen = (stayopen != 0);
return (1);
}
#ifdef SETPWENT_VOID
void
setpwent() {
(void) setpassent(0);
}
#else
int
setpwent() {
return (setpassent(0));
}
#endif
void
endpwent() {
struct irs_pw *pw = init();
if (pw != NULL)
(*pw->minimize)(pw);
}
/* Private */
static struct irs_pw *
init() {
if (!net_data_init())
goto error;
if (!net_data.pw)
net_data.pw = (*net_data.irs->pw_map)(net_data.irs);
if (!net_data.pw) {
error:
errno = EIO;
return (NULL);
}
return (net_data.pw);
}
#endif /* WANT_IRS_PW */