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1 /* ========================================================================
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2 * Copyright 1988-2006 University of Washington
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3 *
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4 * Licensed under the Apache License, Version 2.0 (the "License");
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5 * you may not use this file except in compliance with the License.
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6 * You may obtain a copy of the License at
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7 *
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8 * http://www.apache.org/licenses/LICENSE-2.0
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9 *
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10 *
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11 * ========================================================================
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12 */
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13
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14 /*
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15 * Program: Secure SUN-OS check password
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16 *
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17 * Author: Mark Crispin
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18 * Networks and Distributed Computing
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19 * Computing & Communications
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20 * University of Washington
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21 * Administration Building, AG-44
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22 * Seattle, WA 98195
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23 * Internet: MRC@CAC.Washington.EDU
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24 *
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25 * Date: 1 August 1988
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26 * Last Edited: 30 August 2006
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27 */
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28
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29 #include <sys/label.h>
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30 #include <sys/audit.h>
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31 #include <pwdadj.h>
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32
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33
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34 /* Check password
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35 * Accepts: login passwd struct
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36 * password string
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37 * argument count
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38 * argument vector
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39 * Returns: passwd struct if password validated, NIL otherwise
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40 */
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41
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42 struct passwd *checkpw (struct passwd *pw,char *pass,int argc,char *argv[])
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43 {
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44 struct passwd_adjunct *pa;
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45 char *user = cpystr (pw->pw_name);
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46 /* validate user and password */
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47 struct passwd *ret =
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48 ((pw->pw_passwd && pw->pw_passwd[0] && pw->pw_passwd[1] &&
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49 !strcmp (pw->pw_passwd,(char *) crypt (pass,pw->pw_passwd))) ||
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50 ((pa = getpwanam (pw->pw_name)) &&
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51 pa->pwa_passwd && pa->pwa_passwd[0] && pa->pwa_passwd[1] &&
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52 !strcmp (pa->pwa_passwd,(char *) crypt (pass,pa->pwa_passwd)))) ?
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53 getpwnam (user) : NIL;
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54 if (user) fs_give ((void **) &user);
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55 return ret;
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56 }
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