1/*
2 * Copyright (c) 2008, 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 "jni.h"
27#include "jni_util.h"
28#include "jvm.h"
29#include "jlong.h"
30
31#include <strings.h>
32#include <errno.h>
33#include <sys/acl.h>
34#include <sys/mnttab.h>
35#include <sys/mkdev.h>
36
37#include "jni.h"
38
39#include "sun_nio_fs_SolarisNativeDispatcher.h"
40
41static jfieldID entry_name;
42static jfieldID entry_dir;
43static jfieldID entry_fstype;
44static jfieldID entry_options;
45static jfieldID entry_dev;
46
47static void throwUnixException(JNIEnv* env, int errnum) {
48    jobject x = JNU_NewObjectByName(env, "sun/nio/fs/UnixException",
49        "(I)V", errnum);
50    if (x != NULL) {
51        (*env)->Throw(env, x);
52    }
53}
54
55JNIEXPORT void JNICALL
56Java_sun_nio_fs_SolarisNativeDispatcher_init(JNIEnv *env, jclass clazz) {
57    clazz = (*env)->FindClass(env, "sun/nio/fs/UnixMountEntry");
58    CHECK_NULL(clazz);
59    entry_name = (*env)->GetFieldID(env, clazz, "name", "[B");
60    CHECK_NULL(entry_name);
61    entry_dir = (*env)->GetFieldID(env, clazz, "dir", "[B");
62    CHECK_NULL(entry_dir);
63    entry_fstype = (*env)->GetFieldID(env, clazz, "fstype", "[B");
64    CHECK_NULL(entry_fstype);
65    entry_options = (*env)->GetFieldID(env, clazz, "opts", "[B");
66    CHECK_NULL(entry_options);
67    entry_dev = (*env)->GetFieldID(env, clazz, "dev", "J");
68    CHECK_NULL(entry_dev);
69}
70
71JNIEXPORT jint JNICALL
72Java_sun_nio_fs_SolarisNativeDispatcher_facl(JNIEnv* env, jclass this, jint fd,
73    jint cmd, jint nentries, jlong address)
74{
75    void* aclbufp = jlong_to_ptr(address);
76    int n = -1;
77
78    n = facl((int)fd, (int)cmd, (int)nentries, aclbufp);
79    if (n == -1) {
80        throwUnixException(env, errno);
81    }
82    return (jint)n;
83}
84
85JNIEXPORT jint JNICALL
86Java_sun_nio_fs_SolarisNativeDispatcher_getextmntent(JNIEnv* env, jclass this,
87    jlong value, jobject entry)
88{
89    struct extmnttab ent;
90    FILE* fp = jlong_to_ptr(value);
91    jsize len;
92    jbyteArray bytes;
93    char* name;
94    char* dir;
95    char* fstype;
96    char* options;
97    dev_t dev;
98
99    if (getextmntent(fp, &ent, 0))
100        return -1;
101    name = ent.mnt_special;
102    dir = ent.mnt_mountp;
103    fstype = ent.mnt_fstype;
104    options = ent.mnt_mntopts;
105    dev = makedev(ent.mnt_major, ent.mnt_minor);
106    if (dev == NODEV) {
107        throwUnixException(env, errno);
108        return -1;
109    }
110
111    len = strlen(name);
112    bytes = (*env)->NewByteArray(env, len);
113    if (bytes == NULL)
114        return -1;
115    (*env)->SetByteArrayRegion(env, bytes, 0, len, (jbyte*)name);
116    (*env)->SetObjectField(env, entry, entry_name, bytes);
117
118    len = strlen(dir);
119    bytes = (*env)->NewByteArray(env, len);
120    if (bytes == NULL)
121        return -1;
122    (*env)->SetByteArrayRegion(env, bytes, 0, len, (jbyte*)dir);
123    (*env)->SetObjectField(env, entry, entry_dir, bytes);
124
125    len = strlen(fstype);
126    bytes = (*env)->NewByteArray(env, len);
127    if (bytes == NULL)
128        return -1;
129    (*env)->SetByteArrayRegion(env, bytes, 0, len, (jbyte*)fstype);
130    (*env)->SetObjectField(env, entry, entry_fstype, bytes);
131
132    len = strlen(options);
133    bytes = (*env)->NewByteArray(env, len);
134    if (bytes == NULL)
135        return -1;
136    (*env)->SetByteArrayRegion(env, bytes, 0, len, (jbyte*)options);
137    (*env)->SetObjectField(env, entry, entry_options, bytes);
138
139    if (dev != 0)
140        (*env)->SetLongField(env, entry, entry_dev, (jlong)dev);
141
142    return 0;
143}
144