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1 /*
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2 * CDDL HEADER START
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3 *
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4 * The contents of this file are subject to the terms of the
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5 * Common Development and Distribution License (the "License").
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6 * You may not use this file except in compliance with the License.
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7 *
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8 * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
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9 * or http://www.opensolaris.org/os/licensing.
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10 * See the License for the specific language governing permissions
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11 * and limitations under the License.
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12 *
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13 * When distributing Covered Code, include this CDDL HEADER in each
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14 * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
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15 * If applicable, add the following below this CDDL HEADER, with the
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16 * fields enclosed by brackets "[]" replaced with your own identifying
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17 * information: Portions Copyright [yyyy] [name of copyright owner]
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18 *
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19 * CDDL HEADER END
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20 */
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21
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22 #pragma ident "@(#)dogetpw.c 1.6 07/03/22 SMI"
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23
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24 /*
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25 * Copyright 2007 Sun Microsystems, Inc. All rights reserved.
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26 * Use is subject to license terms.
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27 */
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28
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29 #include <stdio.h>
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30 #include <pwd.h>
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31 #include <stdlib.h>
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32 #include <errno.h>
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33 #include "getent.h"
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34
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35 /*
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36 * getpwnam - get entries from password database
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37 */
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38 int
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39 dogetpw(const char **list)
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40 {
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41 struct passwd *pwp;
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42 int rc = EXC_SUCCESS;
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43 char *ptr;
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44 uid_t uid;
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45
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46
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47 if (list == NULL || *list == NULL) {
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48 while ((pwp = getpwent()) != NULL)
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49 (void) putpwent(pwp, stdout);
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50 } else {
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51 for (; *list != NULL; list++) {
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52 errno = 0;
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53
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54 /*
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55 * Here we assume that the argument passed is
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56 * a uid, if it can be completely transformed
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57 * to a long integer. So we check for uid in
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58 * the database and if we fail then we check
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59 * for the user name.
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60 * If the argument passed is not numeric, then
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61 * we take it as the user name and proceed.
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62 */
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63 uid = strtol(*list, &ptr, 10);
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64 if (!(*ptr == '\0' && errno == 0) ||
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65 ((pwp = getpwuid(uid)) == NULL)) {
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66 pwp = getpwnam(*list);
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67 }
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68
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69 if (pwp == NULL)
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70 rc = EXC_NAME_NOT_FOUND;
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71 else
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72 (void) putpwent(pwp, stdout);
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73 }
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74 }
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75
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76 return (rc);
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77 }
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