1 /*
2  * Copyright (c) 2004, 2012, Oracle and/or its affiliates. All rights reserved.
3  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
4  *
5  * This code is free software; you can redistribute it and/or modify it
6  * under the terms of the GNU General Public License version 2 only, as
7  * published by the Free Software Foundation.  Oracle designates this
8  * particular file as subject to the "Classpath" exception as provided
9  * by Oracle in the LICENSE file that accompanied this code.
10  *
11  * This code is distributed in the hope that it will be useful, but WITHOUT
12  * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
13  * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
14  * version 2 for more details (a copy is included in the LICENSE file that
15  * accompanied this code).
16  *
17  * You should have received a copy of the GNU General Public License version
18  * 2 along with this work; if not, write to the Free Software Foundation,
19  * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
20  *
21  * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
22  * or visit www.oracle.com if you need additional information or have any
23  * questions.
24  */
25 
26 #include <sys/types.h>
27 #include <sys/stat.h>
28 
29 #include "jni.h"
30 #include "jni_util.h"
31 #include "sun_management_FileSystemImpl.h"
32 
33 #ifdef _ALLBSD_SOURCE
34 #define stat64 stat
35 #endif
36 
37 /*
38  * Class:     sun_management_FileSystemImpl
39  * Method:    isAccessUserOnly0
40  * Signature: (Ljava/lang/String;)Z
41  */
Java_sun_management_FileSystemImpl_isAccessUserOnly0(JNIEnv * env,jclass ignored,jstring str)42 JNIEXPORT jboolean JNICALL Java_sun_management_FileSystemImpl_isAccessUserOnly0
43   (JNIEnv *env, jclass ignored, jstring str)
44 {
45     jboolean res = JNI_FALSE;
46     jboolean isCopy;
47     const char *path = JNU_GetStringPlatformChars(env, str, &isCopy);
48     if (path != NULL) {
49         struct stat64 sb;
50         if (stat64(path, &sb) == 0) {
51             res = ((sb.st_mode & (S_IRGRP|S_IWGRP|S_IROTH|S_IWOTH)) == 0) ? JNI_TRUE : JNI_FALSE;
52         } else {
53             JNU_ThrowIOExceptionWithLastError(env, "stat64 failed");
54         }
55         if (isCopy) {
56             JNU_ReleaseStringPlatformChars(env, str, path);
57         }
58     }
59     return res;
60 }
61