* lib/sgetspent.c: Removed (is not used / compiled) anymore.
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2009-04-06 Nicolas François <nicolas.francois@centraliens.net>
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* lib/sgetspent.c: Removed (is not used / compiled) anymore.
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2009-04-06 Nicolas François <nicolas.francois@centraliens.net>
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2009-04-06 Nicolas François <nicolas.francois@centraliens.net>
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* lib/sgetspent.c: Replace strtol() by getlong(). Also detect more
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* lib/sgetspent.c: Replace strtol() by getlong(). Also detect more
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201
lib/sgetspent.c
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lib/sgetspent.c
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/*
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* Copyright (c) 1989 - 1994, Julianne Frances Haugh
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* Copyright (c) 1996 - 1998, Marek Michałkiewicz
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* Copyright (c) 2003 - 2005, Tomasz Kłoczko
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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* 3. The name of the copyright holders or contributors may not be used to
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* endorse or promote products derived from this software without
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* specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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* ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
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* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A
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* PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
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* HOLDERS OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
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* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
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* LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
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* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*/
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#include <config.h>
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#ident "$Id$"
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#include <sys/types.h>
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#include "prototypes.h"
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#include "defines.h"
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#include <stdio.h>
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#define FIELDS 9
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#define OFIELDS 5
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/*
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* sgetspent - convert string in shadow file format to (struct spwd *)
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*/
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struct spwd *sgetspent (const char *string)
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{
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static char spwbuf[1024];
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static struct spwd spwd;
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char *fields[FIELDS];
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char *cp;
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char *cpp;
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int i;
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/*
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* Copy string to local buffer. It has to be tokenized and we
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* have to do that to our private copy.
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*/
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if (strlen (string) >= sizeof spwbuf) {
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return 0; /* fail if too long */
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}
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strcpy (spwbuf, string);
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cp = strrchr (spwbuf, '\n');
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if (NULL != cp) {
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*cp = '\0';
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}
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/*
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* Tokenize the string into colon separated fields. Allow up to
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* FIELDS different fields.
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*/
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for (cp = spwbuf, i = 0; ('\0' != *cp) && (i < FIELDS); i++) {
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fields[i] = cp;
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while (('\0' != *cp) && (':' != *cp)) {
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cp++;
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}
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if ('\0' != *cp) {
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*cp = '\0';
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cp++;
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}
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}
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if (i == (FIELDS - 1)) {
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fields[i++] = cp;
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}
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if ( ((NULL != cp) && ('\0' != *cp)) ||
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((i != FIELDS) && (i != OFIELDS)) ) {
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return 0;
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}
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/*
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* Start populating the structure. The fields are all in
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* static storage, as is the structure we pass back.
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*/
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spwd.sp_namp = fields[0];
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spwd.sp_pwdp = fields[1];
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/*
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* Get the last changed date. For all of the integer fields,
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* we check for proper format. It is an error to have an
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* incorrectly formatted number.
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*/
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if (fields[2][0] == '\0') {
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spwd.sp_lstchg = -1;
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} else if ( (getlong (fields[2], &spwd.sp_lstchg) == 0)
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|| (spwd.sp_lstchg < 0)) {
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return 0;
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}
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/*
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* Get the minimum period between password changes.
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*/
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if (fields[3][0] == '\0') {
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spwd.sp_min = -1;
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} else if ( (getlong (fields[3], &spwd.sp_min) == 0)
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|| (spwd.sp_min < 0)) {
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return 0;
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}
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/*
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* Get the maximum number of days a password is valid.
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*/
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if (fields[4][0] == '\0') {
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spwd.sp_max = -1;
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} else if ( (getlong (fields[4], &spwd.sp_max) == 0)
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|| (spwd.sp_max < 0)) {
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return 0;
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}
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/*
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* If there are only OFIELDS fields (this is a SVR3.2 /etc/shadow
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* formatted file), initialize the other field members to -1.
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*/
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if (i == OFIELDS) {
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spwd.sp_warn = -1;
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spwd.sp_inact = -1;
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spwd.sp_expire = -1;
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spwd.sp_flag = SHADOW_SP_FLAG_UNSET;
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return &spwd;
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}
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/*
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* Get the number of days of password expiry warning.
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*/
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if (fields[5][0] == '\0') {
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spwd.sp_warn = -1;
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} else if ( (getlong (fields[5], &spwd.sp_warn) == 0)
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|| (spwd.sp_warn < 0)) {
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return 0;
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}
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/*
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* Get the number of days of inactivity before an account is
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* disabled.
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*/
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if (fields[6][0] == '\0') {
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spwd.sp_inact = -1;
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} else if ( (getlong (fields[6], &spwd.sp_inact) == 0)
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|| (spwd.sp_inact < 0)) {
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return 0;
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}
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/*
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* Get the number of days after the epoch before the account is
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* set to expire.
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*/
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if (fields[7][0] == '\0') {
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spwd.sp_expire = -1;
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} else if ( (getlong (fields[7], &spwd.sp_expire) == 0)
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|| (spwd.sp_expire < 0)) {
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return 0;
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}
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/*
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* This field is reserved for future use. But it isn't supposed
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* to have anything other than a valid integer in it.
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*/
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if (fields[8][0] == '\0') {
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spwd.sp_flag = SHADOW_SP_FLAG_UNSET;
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} else if (getlong (fields[8], &spwd.sp_flag) == 0) {
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/* FIXME: add a getulong function */
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return 0;
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}
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return (&spwd);
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}
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