113 lines
1.8 KiB
C
113 lines
1.8 KiB
C
/*
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* SPDX-FileCopyrightText: 1989 - 1994, Julianne Frances Haugh
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* SPDX-FileCopyrightText: 1996 - 1998, Marek Michałkiewicz
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* SPDX-FileCopyrightText: 2003 - 2005, Tomasz Kłoczko
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* SPDX-FileCopyrightText: 2009 , Nicolas François
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*
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* SPDX-License-Identifier: BSD-3-Clause
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*/
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#include <config.h>
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/* Newer versions of Linux libc already have shadow support. */
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#ifndef HAVE_GETSPNAM
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#ident "$Id$"
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#include <stdio.h>
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#include <string.h>
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#include <sys/types.h>
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#include "atoi/a2i/a2s.h"
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#include "atoi/str2i/str2u.h"
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#include "defines.h"
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#include "prototypes.h"
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#include "string/strcmp/streq.h"
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#include "string/strtok/stpsep.h"
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static FILE *shadow;
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#define FIELDS 9
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#define OFIELDS 5
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/*
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* setspent - initialize access to shadow text and DBM files
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*/
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void setspent (void)
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{
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if (NULL != shadow) {
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rewind (shadow);
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}else {
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shadow = fopen (SHADOW_FILE, "re");
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}
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}
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/*
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* endspent - terminate access to shadow text and DBM files
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*/
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void endspent (void)
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{
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if (NULL != shadow) {
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(void) fclose (shadow);
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}
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shadow = NULL;
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}
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/*
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* fgetspent - get an entry from a /etc/shadow formatted stream
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*/
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struct spwd *fgetspent (FILE * fp)
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{
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char buf[BUFSIZ];
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if (NULL == fp) {
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return (0);
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}
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if (fgets (buf, sizeof buf, fp) != NULL)
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{
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stpsep(buf, "\n");
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return sgetspent(buf);
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}
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return 0;
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}
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/*
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* getspent - get a (struct spwd *) from the current shadow file
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*/
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struct spwd *getspent (void)
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{
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if (NULL == shadow) {
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setspent ();
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}
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return (fgetspent (shadow));
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}
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/*
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* getspnam - get a shadow entry by name
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*/
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struct spwd *getspnam (const char *name)
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{
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struct spwd *sp;
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setspent ();
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while ((sp = getspent ()) != NULL) {
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if (streq(name, sp->sp_namp)) {
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break;
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}
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}
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endspent ();
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return (sp);
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}
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#else
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extern int ISO_C_forbids_an_empty_translation_unit;
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#endif
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