202 lines
4.2 KiB
C
202 lines
4.2 KiB
C
/* $NetBSD: getpwent.c,v 1.1.1.1 1999/11/20 18:54:09 veego Exp $ */
|
|
|
|
/*
|
|
* Copyright (c) 1996,1999 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 const char rcsid[] = "Id: getpwent.c,v 1.20 1999/10/13 16:39:31 vixie Exp";
|
|
#endif
|
|
|
|
/* Imports */
|
|
|
|
#include "port_before.h"
|
|
|
|
#if !defined(WANT_IRS_PW) || defined(__BIND_NOSTATIC)
|
|
static int __bind_irs_pw_unneeded;
|
|
#else
|
|
|
|
#include <sys/types.h>
|
|
|
|
#include <netinet/in.h>
|
|
#include <arpa/nameser.h>
|
|
|
|
#include <errno.h>
|
|
#include <pwd.h>
|
|
#include <resolv.h>
|
|
#include <stdio.h>
|
|
|
|
#include <irs.h>
|
|
|
|
#include "port_after.h"
|
|
|
|
#include "irs_data.h"
|
|
|
|
/* Forward */
|
|
|
|
static struct net_data * init(void);
|
|
|
|
/* Public */
|
|
|
|
struct passwd *
|
|
getpwent(void) {
|
|
struct net_data *net_data = init();
|
|
|
|
return (getpwent_p(net_data));
|
|
}
|
|
|
|
struct passwd *
|
|
getpwnam(const char *name) {
|
|
struct net_data *net_data = init();
|
|
|
|
return (getpwnam_p(name, net_data));
|
|
}
|
|
|
|
struct passwd *
|
|
getpwuid(uid_t uid) {
|
|
struct net_data *net_data = init();
|
|
|
|
return (getpwuid_p(uid, net_data));
|
|
}
|
|
|
|
int
|
|
setpassent(int stayopen) {
|
|
struct net_data *net_data = init();
|
|
|
|
return (setpassent_p(stayopen, net_data));
|
|
}
|
|
|
|
#ifdef SETPWENT_VOID
|
|
void
|
|
setpwent() {
|
|
struct net_data *net_data = init();
|
|
|
|
setpwent_p(net_data);
|
|
}
|
|
#else
|
|
int
|
|
setpwent() {
|
|
struct net_data *net_data = init();
|
|
|
|
return (setpwent_p(net_data));
|
|
}
|
|
#endif
|
|
|
|
void
|
|
endpwent() {
|
|
struct net_data *net_data = init();
|
|
|
|
return (endpwent_p(net_data));
|
|
}
|
|
|
|
/* Shared private. */
|
|
|
|
struct passwd *
|
|
getpwent_p(struct net_data *net_data) {
|
|
struct irs_pw *pw;
|
|
|
|
if (!net_data || !(pw = net_data->pw))
|
|
return (NULL);
|
|
net_data->pw_last = (*pw->next)(pw);
|
|
return (net_data->pw_last);
|
|
}
|
|
|
|
struct passwd *
|
|
getpwnam_p(const char *name, struct net_data *net_data) {
|
|
struct irs_pw *pw;
|
|
|
|
if (!net_data || !(pw = net_data->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_p(uid_t uid, struct net_data *net_data) {
|
|
struct irs_pw *pw;
|
|
|
|
if (!net_data || !(pw = net_data->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_p(int stayopen, struct net_data *net_data) {
|
|
struct irs_pw *pw;
|
|
|
|
if (!net_data || !(pw = net_data->pw))
|
|
return (0);
|
|
(*pw->rewind)(pw);
|
|
net_data->pw_stayopen = (stayopen != 0);
|
|
if (stayopen == 0)
|
|
net_data_minimize(net_data);
|
|
return (1);
|
|
}
|
|
|
|
#ifdef SETPWENT_VOID
|
|
void
|
|
setpwent_p(struct net_data *net_data) {
|
|
(void) setpassent_p(0, net_data);
|
|
}
|
|
#else
|
|
int
|
|
setpwent_p(struct net_data *net_data) {
|
|
return (setpassent_p(0, net_data));
|
|
}
|
|
#endif
|
|
|
|
void
|
|
endpwent_p(struct net_data *net_data) {
|
|
struct irs_pw *pw;
|
|
|
|
if ((net_data != NULL) && ((pw = net_data->pw) != NULL))
|
|
(*pw->minimize)(pw);
|
|
}
|
|
|
|
/* Private */
|
|
|
|
static struct net_data *
|
|
init() {
|
|
struct net_data *net_data;
|
|
if (!(net_data = net_data_init(NULL)))
|
|
goto error;
|
|
if (!net_data->pw) {
|
|
net_data->pw = (*net_data->irs->pw_map)(net_data->irs);
|
|
|
|
if (!net_data->pw || !net_data->res) {
|
|
error:
|
|
errno = EIO;
|
|
return (NULL);
|
|
}
|
|
(*net_data->pw->res_set)(net_data->pw, net_data->res, NULL);
|
|
}
|
|
|
|
return (net_data);
|
|
}
|
|
|
|
#endif /* WANT_IRS_PW */
|