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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: OSF/1 (Digital UNIX) 4 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 /* Dummy collection routine
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30 * Accepts: how long to wait for user
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31 * how to run parameter collection
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32 * title
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33 * number of prompts
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34 * prompts
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35 * Returns: collection status
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36 *
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37 * Because Spider Boardman, who wrote SIA, says that it's needed for buggy SIA
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38 * mechanisms, that's why.
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39 */
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40
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41 static int checkpw_collect (int timeout,int rendition,uchar_t *title,
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42 int nprompts,prompt_t *prompts)
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43 {
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44 switch (rendition) {
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45 case SIAONELINER: case SIAINFO: case SIAWARNING: return SIACOLSUCCESS;
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46 }
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47 return SIACOLABORT; /* another else is bogus */
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48 }
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49
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50
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51 /* Check password
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52 * Accepts: login passwd struct
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53 * password string
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54 * argument count
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55 * argument vector
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56 * Returns: passwd struct if password validated, NIL otherwise
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57 */
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58
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59 struct passwd *checkpw (struct passwd *pw,char *pass,int argc,char *argv[])
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60 {
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61 int i;
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62 char *s;
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63 char *name = cpystr (pw->pw_name);
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64 char *host = cpystr (tcp_clienthost ());
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65 struct passwd *ret = NIL;
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66 /* tie off address */
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67 if (s = strchr (host,' ')) *s = '\0';
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68 if (*host == '[') { /* convert [a.b.c.d] to a.b.c.d */
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69 memmove (host,host+1,i = strlen (host + 2));
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70 host[i] = '\0';
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71 }
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72 /* validate password */
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73 if (sia_validate_user (checkpw_collect,argc,argv,host,name,NIL,NIL,NIL,pass)
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74 == SIASUCCESS) ret = getpwnam (name);
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75 fs_give ((void **) &name);
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76 fs_give ((void **) &host);
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77 return ret;
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78 }
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