1
/* Copyright 2000-2005 The Apache Software Foundation or its licensors, as
4
* Licensed under the Apache License, Version 2.0 (the "License");
5
* you may not use this file except in compliance with the License.
6
* You may obtain a copy of the License at
8
* http://www.apache.org/licenses/LICENSE-2.0
10
* Unless required by applicable law or agreed to in writing, software
11
* distributed under the License is distributed on an "AS IS" BASIS,
12
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13
* See the License for the specific language governing permissions and
14
* limitations under the License.
17
#include "apr_strings.h"
18
#include "apr_portable.h"
20
#include "apr_private.h"
24
#if APR_HAVE_SYS_TYPES_H
25
#include <sys/types.h>
28
#include <unistd.h> /* for _POSIX_THREAD_SAFE_FUNCTIONS */
30
#define APR_WANT_MEMFUNC
33
#define PWBUF_SIZE 512
35
static apr_status_t getpwnam_safe(const char *username,
37
char pwbuf[PWBUF_SIZE])
40
#if APR_HAS_THREADS && defined(_POSIX_THREAD_SAFE_FUNCTIONS) && defined(HAVE_GETPWNAM_R)
43
/* POSIX defines getpwnam_r() et al to return the error number
44
* rather than set errno, and requires pwptr to be set to NULL if
45
* the entry is not found, imply that "not found" is not an error
46
* condition; some implementations do return 0 with pwptr set to
48
rv = getpwnam_r(username, pw, pwbuf, PWBUF_SIZE, &pwptr);
56
/* Some platforms (e.g. FreeBSD 4.x) do not set errno on NULL "not
57
* found" return values for the non-threadsafe function either. */
59
if ((pwptr = getpwnam(username)) != NULL) {
60
memcpy(pw, pwptr, sizeof *pw);
63
return errno ? errno : APR_ENOENT;
69
APR_DECLARE(apr_status_t) apr_uid_homepath_get(char **dirname,
74
char pwbuf[PWBUF_SIZE];
77
if ((rv = getpwnam_safe(username, &pw, pwbuf)) != APR_SUCCESS)
81
/* Need to manually add user name for OS/2 */
82
*dirname = apr_pstrcat(p, pw.pw_dir, pw.pw_name, NULL);
84
*dirname = apr_pstrdup(p, pw.pw_dir);
91
APR_DECLARE(apr_status_t) apr_uid_current(apr_uid_t *uid,
104
APR_DECLARE(apr_status_t) apr_uid_get(apr_uid_t *uid, apr_gid_t *gid,
105
const char *username, apr_pool_t *p)
108
char pwbuf[PWBUF_SIZE];
111
if ((rv = getpwnam_safe(username, &pw, pwbuf)) != APR_SUCCESS)
120
APR_DECLARE(apr_status_t) apr_uid_name_get(char **username, apr_uid_t userid,
124
#if APR_HAS_THREADS && defined(_POSIX_THREAD_SAFE_FUNCTIONS) && defined(HAVE_GETPWUID_R)
126
char pwbuf[PWBUF_SIZE];
129
rv = getpwuid_r(userid, &pwd, pwbuf, sizeof(pwbuf), &pw);
140
if ((pw = getpwuid(userid)) == NULL) {
141
return errno ? errno : APR_ENOENT;
144
*username = apr_pstrdup(p, pw->pw_name);