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