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