dogetpw.c revision 2b4a78020b9c38d1b95e2f3fefa6d6e4be382d1f
/*
* CDDL HEADER START
*
* The contents of this file are subject to the terms of the
* Common Development and Distribution License (the "License").
* You may not use this file except in compliance with the License.
*
* You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
* or http://www.opensolaris.org/os/licensing.
* See the License for the specific language governing permissions
* and limitations under the License.
*
* When distributing Covered Code, include this CDDL HEADER in each
* file and include the License file at usr/src/OPENSOLARIS.LICENSE.
* If applicable, add the following below this CDDL HEADER, with the
* fields enclosed by brackets "[]" replaced with your own identifying
* information: Portions Copyright [yyyy] [name of copyright owner]
*
* CDDL HEADER END
*/
/*
* Copyright 2008 Sun Microsystems, Inc. All rights reserved.
* Use is subject to license terms.
*/
#include <stdio.h>
#include <pwd.h>
#include <stdlib.h>
#include <errno.h>
#include "getent.h"
/*
* getpwnam - get entries from password database
*/
int
dogetpw(const char **list)
{
struct passwd *pwp;
int rc = EXC_SUCCESS;
char *ptr;
uid_t uid;
if (list == NULL || *list == NULL) {
while ((pwp = getpwent()) != NULL)
(void) putpwent(pwp, stdout);
} else {
for (; *list != NULL; list++) {
errno = 0;
/*
* Here we assume that the argument passed is
* a uid, if it can be completely transformed
* to a long integer. So we check for uid in
* the database and if we fail then we check
* for the user name.
* If the argument passed is not numeric, then
* we take it as the user name and proceed.
*/
uid = strtoul(*list, &ptr, 10);
if (!(*ptr == '\0' && errno == 0) ||
((pwp = getpwuid(uid)) == NULL)) {
pwp = getpwnam(*list);
}
if (pwp == NULL)
rc = EXC_NAME_NOT_FOUND;
else
(void) putpwent(pwp, stdout);
}
}
return (rc);
}