e1d0810cd7
A continuation of commit 2825f10b7f.
Add O_PATH compatibility support for flistxattr(). This allows
a process to list out all the extended attributes associated with
O_PATH file descriptors.
Change-Id: Ie2285ac7ad2e4eac427ddba6c2d182d41b130f75
130 lines
3.6 KiB
C++
130 lines
3.6 KiB
C++
/*
|
|
* Copyright (C) 2015 The Android Open Source Project
|
|
*
|
|
* Licensed under the Apache License, Version 2.0 (the "License");
|
|
* you may not use this file except in compliance with the License.
|
|
* You may obtain a copy of the License at
|
|
*
|
|
* http://www.apache.org/licenses/LICENSE-2.0
|
|
*
|
|
* Unless required by applicable law or agreed to in writing, software
|
|
* distributed under the License is distributed on an "AS IS" BASIS,
|
|
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
|
|
* See the License for the specific language governing permissions and
|
|
* limitations under the License.
|
|
*/
|
|
|
|
#include <gtest/gtest.h>
|
|
|
|
#include <sys/types.h>
|
|
#include <sys/xattr.h>
|
|
|
|
#include "TemporaryFile.h"
|
|
|
|
TEST(sys_xattr, setxattr) {
|
|
TemporaryFile tf;
|
|
char buf[10];
|
|
ASSERT_EQ(0, setxattr(tf.filename, "user.foo", "bar", 4, 0));
|
|
ASSERT_EQ(4, getxattr(tf.filename, "user.foo", buf, sizeof(buf)));
|
|
ASSERT_STREQ("bar", buf);
|
|
buf[0] = '\0';
|
|
ASSERT_EQ(4, lgetxattr(tf.filename, "user.foo", buf, sizeof(buf)));
|
|
ASSERT_STREQ("bar", buf);
|
|
}
|
|
|
|
TEST(sys_xattr, fsetxattr) {
|
|
TemporaryFile tf;
|
|
char buf[10];
|
|
ASSERT_EQ(0, fsetxattr(tf.fd, "user.foo", "bar", 4, 0));
|
|
ASSERT_EQ(4, fgetxattr(tf.fd, "user.foo", buf, sizeof(buf)));
|
|
ASSERT_STREQ("bar", buf);
|
|
}
|
|
|
|
TEST(sys_xattr, fsetxattr_zerobuf) {
|
|
TemporaryFile tf;
|
|
char buf[10];
|
|
ASSERT_EQ(0, fsetxattr(tf.fd, "user.foo", "", 0, 0));
|
|
ASSERT_EQ(0, fgetxattr(tf.fd, "user.foo", buf, sizeof(buf)));
|
|
}
|
|
|
|
TEST(sys_xattr, fsetxattr_toosmallbuf) {
|
|
TemporaryFile tf;
|
|
char buf[10];
|
|
ASSERT_EQ(0, fsetxattr(tf.fd, "user.foo", "01234567890123456789", 21, 0));
|
|
ASSERT_EQ(-1, fgetxattr(tf.fd, "user.foo", buf, sizeof(buf)));
|
|
ASSERT_EQ(ERANGE, errno);
|
|
}
|
|
|
|
TEST(sys_xattr, fsetxattr_invalidfd) {
|
|
char buf[10];
|
|
errno = 0;
|
|
ASSERT_EQ(-1, fsetxattr(65535, "user.foo", "0123", 5, 0));
|
|
ASSERT_EQ(EBADF, errno);
|
|
errno = 0;
|
|
ASSERT_EQ(-1, fgetxattr(65535, "user.foo", buf, sizeof(buf)));
|
|
ASSERT_EQ(EBADF, errno);
|
|
}
|
|
|
|
TEST(sys_xattr, fsetxattr_with_opath) {
|
|
TemporaryFile tf;
|
|
int fd = open(tf.filename, O_PATH);
|
|
ASSERT_NE(-1, fd);
|
|
|
|
int res = fsetxattr(fd, "user.foo", "bar", 4, 0);
|
|
#if defined(__BIONIC__)
|
|
char buf[10];
|
|
ASSERT_EQ(0, res);
|
|
ASSERT_EQ(4, fgetxattr(fd, "user.foo", buf, sizeof(buf)));
|
|
ASSERT_STREQ("bar", buf);
|
|
#else
|
|
ASSERT_EQ(-1, res);
|
|
ASSERT_EQ(EBADF, errno);
|
|
#endif
|
|
close(fd);
|
|
}
|
|
|
|
TEST(sys_xattr, fsetxattr_with_opath_toosmall) {
|
|
TemporaryFile tf;
|
|
int fd = open(tf.filename, O_PATH);
|
|
ASSERT_NE(-1, fd);
|
|
|
|
int res = fsetxattr(fd, "user.foo", "01234567890123456789", 21, 0);
|
|
#if defined(__BIONIC__)
|
|
char buf[10];
|
|
ASSERT_EQ(0, res);
|
|
ASSERT_EQ(-1, fgetxattr(fd, "user.foo", buf, sizeof(buf)));
|
|
ASSERT_EQ(ERANGE, errno);
|
|
#else
|
|
ASSERT_EQ(-1, res);
|
|
ASSERT_EQ(EBADF, errno);
|
|
#endif
|
|
close(fd);
|
|
}
|
|
|
|
TEST(sys_xattr, flistattr) {
|
|
TemporaryFile tf;
|
|
char buf[65536]; // 64kB is max possible xattr list size. See "man 7 xattr".
|
|
ASSERT_EQ(0, fsetxattr(tf.fd, "user.foo", "bar", 4, 0));
|
|
ssize_t result = flistxattr(tf.fd, buf, sizeof(buf));
|
|
ASSERT_TRUE(result >= 9);
|
|
ASSERT_TRUE(memmem(buf, sizeof(buf), "user.foo", 9) != NULL);
|
|
}
|
|
|
|
TEST(sys_xattr, flistattr_opath) {
|
|
TemporaryFile tf;
|
|
char buf[65536]; // 64kB is max possible xattr list size. See "man 7 xattr".
|
|
ASSERT_EQ(0, fsetxattr(tf.fd, "user.foo", "bar", 4, 0));
|
|
int fd = open(tf.filename, O_PATH);
|
|
ASSERT_NE(-1, fd);
|
|
ssize_t res = flistxattr(fd, buf, sizeof(buf));
|
|
#if defined(__BIONIC__)
|
|
ASSERT_TRUE(res >= 9);
|
|
ASSERT_TRUE(static_cast<size_t>(res) <= sizeof(buf));
|
|
ASSERT_TRUE(memmem(buf, res, "user.foo", 9) != NULL);
|
|
#else
|
|
ASSERT_EQ(-1, res);
|
|
ASSERT_EQ(EBADF, errno);
|
|
#endif
|
|
close(fd);
|
|
}
|