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 "jdk_internal_agent_FileSystemImpl.h"
32
33#ifdef _ALLBSD_SOURCE
34#define stat64 stat
35#endif
36
37/*
38 * JNI_OnLoad
39 */
40JNIEXPORT jint JNICALL DEF_JNI_OnLoad(JavaVM *vm, void *reserved)
41{
42 JNIEnv* env;
43
44 if ((*vm)->GetEnv(vm, (void**) &env, JNI_VERSION_1_2) != JNI_OK) {
45 return JNI_EVERSION; /* JNI version not supported */
46 }
47
48 return JNI_VERSION_10;
49}
50
51/*
52 * Class: jdk_internal_agent_FileSystemImpl
53 * Method: isAccessUserOnly0
54 * Signature: (Ljava/lang/String;)Z
55 */
56JNIEXPORT jboolean JNICALL Java_jdk_internal_agent_FileSystemImpl_isAccessUserOnly0
57 (JNIEnv *env, jclass ignored, jstring str)
58{
59 jboolean res = JNI_FALSE;
60 jboolean isCopy;
61 const char *path = JNU_GetStringPlatformChars(env, str, &isCopy);
62 if (path != NULL) {
63 struct stat64 sb;
64 if (stat64(path, &sb) == 0) {
65 res = ((sb.st_mode & (S_IRGRP|S_IWGRP|S_IROTH|S_IWOTH)) == 0) ? JNI_TRUE : JNI_FALSE;
66 } else {
67 JNU_ThrowIOExceptionWithLastError(env, "stat64 failed");
68 }
69 if (isCopy) {
70 JNU_ReleaseStringPlatformChars(env, str, path);
71 }
72 }
73 return res;
74}
75