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/* ====================================================================
* The Apache Software License, Version 1.1
*
* Copyright (c) 2000-2002 The Apache Software Foundation. All rights
* reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
*
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
*
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in
* the documentation and/or other materials provided with the
* distribution.
*
* 3. The end-user documentation included with the redistribution,
* if any, must include the following acknowledgment:
* "This product includes software developed by the
* Apache Software Foundation (http://www.apache.org/)."
* Alternately, this acknowledgment may appear in the software itself,
* if and wherever such third-party acknowledgments normally appear.
*
* 4. The names "Apache" and "Apache Software Foundation" must
* not be used to endorse or promote products derived from this
* software without prior written permission. For written
* permission, please contact apache@apache.org.
*
* 5. Products derived from this software may not be called "Apache",
* nor may "Apache" appear in their name, without prior written
* permission of the Apache Software Foundation.
*
* THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESSED OR IMPLIED
* WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
* DISCLAIMED. IN NO EVENT SHALL THE APACHE SOFTWARE FOUNDATION OR
* ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
* LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF
* USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
* ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
* OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT
* OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
* SUCH DAMAGE.
* ====================================================================
*
* This software consists of voluntary contributions made by many
* individuals on behalf of the Apache Software Foundation. For more
* information on the Apache Software Foundation, please see
* <http://www.apache.org/>.
*/
#include "apr_strings.h"
#include "apr_portable.h"
#include "apr_user.h"
#include "apr_private.h"
#ifdef HAVE_PWD_H
#include <pwd.h>
#endif
#if APR_HAVE_SYS_TYPES_H
#include <sys/types.h>
#endif
#if APR_HAVE_UNISTD_H
#include <unistd.h> /* for _POSIX_THREAD_SAFE_FUNCTIONS */
#endif
#define APR_WANT_MEMFUNC
#include "apr_want.h"
#define PWBUF_SIZE 512
static apr_status_t getpwnam_safe(const char *username,
struct passwd *pw,
char pwbuf[PWBUF_SIZE])
{
struct passwd *pwptr;
#if APR_HAS_THREADS && defined(_POSIX_THREAD_SAFE_FUNCTIONS) && defined(HAVE_GETPWNAM_R)
if (!getpwnam_r(username, pw, pwbuf, PWBUF_SIZE, &pwptr)) {
/* nothing extra to do on success */
#else
if ((pwptr = getpwnam(username)) != NULL) {
memcpy(pw, pwptr, sizeof *pw);
#endif
}
else {
if (errno == 0) {
/* this can happen with getpwnam() on FreeBSD 4.3 */
return APR_EGENERAL;
}
return errno;
}
return APR_SUCCESS;
}
APR_DECLARE(apr_status_t) apr_get_home_directory(char **dirname,
const char *username,
apr_pool_t *p)
{
struct passwd pw;
char pwbuf[PWBUF_SIZE];
apr_status_t rv;
if ((rv = getpwnam_safe(username, &pw, pwbuf)) != APR_SUCCESS)
return rv;
#ifdef OS2
/* Need to manually add user name for OS/2 */
*dirname = apr_pstrcat(p, pw.pw_dir, pw.pw_name, NULL);
#else
*dirname = apr_pstrdup(p, pw.pw_dir);
#endif
return APR_SUCCESS;
}
APR_DECLARE(apr_status_t) apr_current_userid(apr_uid_t *uid,
apr_gid_t *gid,
apr_pool_t *p)
{
*uid = getuid();
*gid = getgid();
return APR_SUCCESS;
}
APR_DECLARE(apr_status_t) apr_get_userid(apr_uid_t *uid, apr_gid_t *gid,
const char *username, apr_pool_t *p)
{
struct passwd pw;
char pwbuf[PWBUF_SIZE];
apr_status_t rv;
if ((rv = getpwnam_safe(username, &pw, pwbuf)) != APR_SUCCESS)
return rv;
*uid = pw.pw_uid;
*gid = pw.pw_gid;
return APR_SUCCESS;
}
APR_DECLARE(apr_status_t) apr_get_username(char **username, apr_uid_t userid, apr_pool_t *p)
{
struct passwd *pw;
#if APR_HAS_THREADS && defined(_POSIX_THREAD_SAFE_FUNCTIONS) && defined(HAVE_GETPWUID_R)
struct passwd pwd;
char pwbuf[PWBUF_SIZE];
if (getpwuid_r(userid, &pwd, pwbuf, sizeof(pwbuf), &pw)) {
#else
if ((pw = getpwuid(userid)) == NULL) {
#endif
return errno;
}
*username = apr_pstrdup(p, pw->pw_name);
return APR_SUCCESS;
}
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