1/*
2 * CDDL HEADER START
3 *
4 * The contents of this file are subject to the terms of the
5 * Common Development and Distribution License (the "License").
6 * You may not use this file except in compliance with the License.
7 *
8 * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
9 * or http://www.opensolaris.org/os/licensing.
10 * See the License for the specific language governing permissions
11 * and limitations under the License.
12 *
13 * When distributing Covered Code, include this CDDL HEADER in each
14 * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
15 * If applicable, add the following below this CDDL HEADER, with the
16 * fields enclosed by brackets "[]" replaced with your own identifying
17 * information: Portions Copyright [yyyy] [name of copyright owner]
18 *
19 * CDDL HEADER END
20 */
21
22/*
23 * Copyright 2008 Sun Microsystems, Inc.  All rights reserved.
24 * Use is subject to license terms.
25 */
26
27#include <stdio.h>
28#include <pwd.h>
29#include <stdlib.h>
30#include <errno.h>
31#include "getent.h"
32
33/*
34 * getpwnam - get entries from password database
35 */
36int
37dogetpw(const char **list)
38{
39	struct passwd *pwp;
40	int rc = EXC_SUCCESS;
41	char *ptr;
42	uid_t uid;
43
44
45	if (list == NULL || *list == NULL) {
46		while ((pwp = getpwent()) != NULL)
47			(void) putpwent(pwp, stdout);
48	} else {
49		for (; *list != NULL; list++) {
50			errno = 0;
51
52			/*
53			 * Here we assume that the argument passed is
54			 * a uid, if it can be completely transformed
55			 * to a long integer. So we check for uid in
56			 * the database and if we fail then we check
57			 * for the user name.
58			 * If the argument passed is not numeric, then
59			 * we take it as the user name and proceed.
60			 */
61			uid = strtoul(*list, &ptr, 10);
62			if (!(*ptr == '\0' && errno == 0) ||
63			    ((pwp = getpwuid(uid)) == NULL)) {
64				pwp = getpwnam(*list);
65			}
66
67			if (pwp == NULL)
68				rc = EXC_NAME_NOT_FOUND;
69			else
70				(void) putpwent(pwp, stdout);
71		}
72	}
73
74	return (rc);
75}
76