339 lines
11 KiB
C++
339 lines
11 KiB
C++
// Copyright 2020 The gVisor Authors.
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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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#include <errno.h>
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#include <fcntl.h>
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#include <linux/fuse.h>
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#include <sys/stat.h>
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#include <sys/statfs.h>
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#include <sys/types.h>
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#include <sys/uio.h>
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#include <unistd.h>
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#include <utime.h>
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#include <string>
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#include <vector>
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#include "gtest/gtest.h"
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#include "test/fuse/linux/fuse_fd_util.h"
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#include "test/util/cleanup.h"
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#include "test/util/fs_util.h"
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#include "test/util/fuse_util.h"
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#include "test/util/test_util.h"
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namespace gvisor {
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namespace testing {
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namespace {
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class SetStatTest : public FuseFdTest {
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public:
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void SetUp() override {
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FuseFdTest::SetUp();
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test_dir_path_ = JoinPath(mount_point_.path(), test_dir_);
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test_file_path_ = JoinPath(mount_point_.path(), test_file_);
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}
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protected:
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const uint64_t fh = 23;
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const std::string test_dir_ = "testdir";
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const std::string test_file_ = "testfile";
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const mode_t test_dir_mode_ = S_IFDIR | S_IRUSR | S_IWUSR | S_IXUSR;
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const mode_t test_file_mode_ = S_IFREG | S_IRUSR | S_IWUSR | S_IXUSR;
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std::string test_dir_path_;
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std::string test_file_path_;
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};
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TEST_F(SetStatTest, ChmodDir) {
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// Set up fixture.
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SetServerInodeLookup(test_dir_, test_dir_mode_);
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struct fuse_out_header out_header = {
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.len = sizeof(struct fuse_out_header) + sizeof(struct fuse_attr_out),
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.error = 0,
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};
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mode_t set_mode = S_IRGRP | S_IWGRP | S_IXGRP;
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struct fuse_attr_out out_payload = {
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.attr = DefaultFuseAttr(set_mode, 2),
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};
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auto iov_out = FuseGenerateIovecs(out_header, out_payload);
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SetServerResponse(FUSE_SETATTR, iov_out);
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// Make syscall.
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EXPECT_THAT(chmod(test_dir_path_.c_str(), set_mode), SyscallSucceeds());
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// Check FUSE request.
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struct fuse_in_header in_header;
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struct fuse_setattr_in in_payload;
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auto iov_in = FuseGenerateIovecs(in_header, in_payload);
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GetServerActualRequest(iov_in);
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EXPECT_EQ(in_header.len, sizeof(in_header) + sizeof(in_payload));
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EXPECT_EQ(in_header.opcode, FUSE_SETATTR);
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EXPECT_EQ(in_header.uid, 0);
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EXPECT_EQ(in_header.gid, 0);
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EXPECT_EQ(in_payload.valid, FATTR_MODE);
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EXPECT_EQ(in_payload.mode, S_IFDIR | set_mode);
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}
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TEST_F(SetStatTest, ChownDir) {
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// Set up fixture.
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SetServerInodeLookup(test_dir_, test_dir_mode_);
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struct fuse_out_header out_header = {
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.len = sizeof(struct fuse_out_header) + sizeof(struct fuse_attr_out),
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.error = 0,
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};
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struct fuse_attr_out out_payload = {
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.attr = DefaultFuseAttr(test_dir_mode_, 2),
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};
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auto iov_out = FuseGenerateIovecs(out_header, out_payload);
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SetServerResponse(FUSE_SETATTR, iov_out);
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// Make syscall.
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EXPECT_THAT(chown(test_dir_path_.c_str(), 1025, 1025), SyscallSucceeds());
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// Check FUSE request.
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struct fuse_in_header in_header;
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struct fuse_setattr_in in_payload;
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auto iov_in = FuseGenerateIovecs(in_header, in_payload);
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GetServerActualRequest(iov_in);
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EXPECT_EQ(in_header.len, sizeof(in_header) + sizeof(in_payload));
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EXPECT_EQ(in_header.opcode, FUSE_SETATTR);
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EXPECT_EQ(in_header.uid, 0);
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EXPECT_EQ(in_header.gid, 0);
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EXPECT_EQ(in_payload.valid, FATTR_UID | FATTR_GID);
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EXPECT_EQ(in_payload.uid, 1025);
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EXPECT_EQ(in_payload.gid, 1025);
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}
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TEST_F(SetStatTest, TruncateFile) {
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// Set up fixture.
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SetServerInodeLookup(test_file_, test_file_mode_);
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struct fuse_out_header out_header = {
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.len = sizeof(struct fuse_out_header) + sizeof(struct fuse_attr_out),
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.error = 0,
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};
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struct fuse_attr_out out_payload = {
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.attr = DefaultFuseAttr(S_IFREG | S_IRUSR | S_IWUSR, 2),
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};
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auto iov_out = FuseGenerateIovecs(out_header, out_payload);
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SetServerResponse(FUSE_SETATTR, iov_out);
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// Make syscall.
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EXPECT_THAT(truncate(test_file_path_.c_str(), 321), SyscallSucceeds());
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// Check FUSE request.
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struct fuse_in_header in_header;
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struct fuse_setattr_in in_payload;
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auto iov_in = FuseGenerateIovecs(in_header, in_payload);
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GetServerActualRequest(iov_in);
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EXPECT_EQ(in_header.len, sizeof(in_header) + sizeof(in_payload));
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EXPECT_EQ(in_header.opcode, FUSE_SETATTR);
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EXPECT_EQ(in_header.uid, 0);
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EXPECT_EQ(in_header.gid, 0);
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EXPECT_EQ(in_payload.valid, FATTR_SIZE);
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EXPECT_EQ(in_payload.size, 321);
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}
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TEST_F(SetStatTest, UtimeFile) {
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// Set up fixture.
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SetServerInodeLookup(test_file_, test_file_mode_);
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struct fuse_out_header out_header = {
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.len = sizeof(struct fuse_out_header) + sizeof(struct fuse_attr_out),
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.error = 0,
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};
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struct fuse_attr_out out_payload = {
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.attr = DefaultFuseAttr(S_IFREG | S_IRUSR | S_IWUSR, 2),
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};
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auto iov_out = FuseGenerateIovecs(out_header, out_payload);
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SetServerResponse(FUSE_SETATTR, iov_out);
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// Make syscall.
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time_t expected_atime = 1597159766, expected_mtime = 1597159765;
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struct utimbuf times = {
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.actime = expected_atime,
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.modtime = expected_mtime,
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};
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EXPECT_THAT(utime(test_file_path_.c_str(), ×), SyscallSucceeds());
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// Check FUSE request.
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struct fuse_in_header in_header;
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struct fuse_setattr_in in_payload;
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auto iov_in = FuseGenerateIovecs(in_header, in_payload);
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GetServerActualRequest(iov_in);
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EXPECT_EQ(in_header.len, sizeof(in_header) + sizeof(in_payload));
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EXPECT_EQ(in_header.opcode, FUSE_SETATTR);
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EXPECT_EQ(in_header.uid, 0);
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EXPECT_EQ(in_header.gid, 0);
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EXPECT_EQ(in_payload.valid, FATTR_ATIME | FATTR_MTIME);
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EXPECT_EQ(in_payload.atime, expected_atime);
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EXPECT_EQ(in_payload.mtime, expected_mtime);
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}
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TEST_F(SetStatTest, UtimesFile) {
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// Set up fixture.
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SetServerInodeLookup(test_file_, test_file_mode_);
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struct fuse_out_header out_header = {
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.len = sizeof(struct fuse_out_header) + sizeof(struct fuse_attr_out),
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.error = 0,
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};
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struct fuse_attr_out out_payload = {
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.attr = DefaultFuseAttr(test_file_mode_, 2),
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};
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auto iov_out = FuseGenerateIovecs(out_header, out_payload);
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SetServerResponse(FUSE_SETATTR, iov_out);
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// Make syscall.
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struct timeval expected_times[2] = {
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{
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.tv_sec = 1597159766,
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.tv_usec = 234945,
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},
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{
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.tv_sec = 1597159765,
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.tv_usec = 232341,
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},
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};
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EXPECT_THAT(utimes(test_file_path_.c_str(), expected_times),
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SyscallSucceeds());
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// Check FUSE request.
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struct fuse_in_header in_header;
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struct fuse_setattr_in in_payload;
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auto iov_in = FuseGenerateIovecs(in_header, in_payload);
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GetServerActualRequest(iov_in);
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EXPECT_EQ(in_header.len, sizeof(in_header) + sizeof(in_payload));
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EXPECT_EQ(in_header.opcode, FUSE_SETATTR);
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EXPECT_EQ(in_header.uid, 0);
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EXPECT_EQ(in_header.gid, 0);
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EXPECT_EQ(in_payload.valid, FATTR_ATIME | FATTR_MTIME);
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EXPECT_EQ(in_payload.atime, expected_times[0].tv_sec);
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EXPECT_EQ(in_payload.atimensec, expected_times[0].tv_usec * 1000);
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EXPECT_EQ(in_payload.mtime, expected_times[1].tv_sec);
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EXPECT_EQ(in_payload.mtimensec, expected_times[1].tv_usec * 1000);
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}
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TEST_F(SetStatTest, FtruncateFile) {
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// Set up fixture.
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SetServerInodeLookup(test_file_, test_file_mode_);
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auto fd = ASSERT_NO_ERRNO_AND_VALUE(OpenPath(test_file_path_, O_RDWR, fh));
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auto close_fd = CloseFD(fd);
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struct fuse_out_header out_header = {
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.len = sizeof(struct fuse_out_header) + sizeof(struct fuse_attr_out),
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.error = 0,
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};
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struct fuse_attr_out out_payload = {
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.attr = DefaultFuseAttr(test_file_mode_, 2),
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};
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auto iov_out = FuseGenerateIovecs(out_header, out_payload);
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SetServerResponse(FUSE_SETATTR, iov_out);
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// Make syscall.
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EXPECT_THAT(ftruncate(fd.get(), 321), SyscallSucceeds());
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// Check FUSE request.
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struct fuse_in_header in_header;
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struct fuse_setattr_in in_payload;
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auto iov_in = FuseGenerateIovecs(in_header, in_payload);
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GetServerActualRequest(iov_in);
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EXPECT_EQ(in_header.len, sizeof(in_header) + sizeof(in_payload));
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EXPECT_EQ(in_header.opcode, FUSE_SETATTR);
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EXPECT_EQ(in_header.uid, 0);
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EXPECT_EQ(in_header.gid, 0);
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EXPECT_EQ(in_payload.valid, FATTR_SIZE | FATTR_FH);
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EXPECT_EQ(in_payload.fh, fh);
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EXPECT_EQ(in_payload.size, 321);
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}
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TEST_F(SetStatTest, FchmodFile) {
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// Set up fixture.
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SetServerInodeLookup(test_file_, test_file_mode_);
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auto fd = ASSERT_NO_ERRNO_AND_VALUE(OpenPath(test_file_path_, O_RDWR, fh));
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auto close_fd = CloseFD(fd);
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struct fuse_out_header out_header = {
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.len = sizeof(struct fuse_out_header) + sizeof(struct fuse_attr_out),
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.error = 0,
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};
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mode_t set_mode = S_IROTH | S_IWOTH | S_IXOTH;
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struct fuse_attr_out out_payload = {
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.attr = DefaultFuseAttr(set_mode, 2),
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};
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auto iov_out = FuseGenerateIovecs(out_header, out_payload);
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SetServerResponse(FUSE_SETATTR, iov_out);
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// Make syscall.
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EXPECT_THAT(fchmod(fd.get(), set_mode), SyscallSucceeds());
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// Check FUSE request.
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struct fuse_in_header in_header;
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struct fuse_setattr_in in_payload;
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auto iov_in = FuseGenerateIovecs(in_header, in_payload);
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GetServerActualRequest(iov_in);
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EXPECT_EQ(in_header.len, sizeof(in_header) + sizeof(in_payload));
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EXPECT_EQ(in_header.opcode, FUSE_SETATTR);
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EXPECT_EQ(in_header.uid, 0);
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EXPECT_EQ(in_header.gid, 0);
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EXPECT_EQ(in_payload.valid, FATTR_MODE | FATTR_FH);
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EXPECT_EQ(in_payload.fh, fh);
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EXPECT_EQ(in_payload.mode, S_IFREG | set_mode);
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}
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TEST_F(SetStatTest, FchownFile) {
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// Set up fixture.
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SetServerInodeLookup(test_file_, test_file_mode_);
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auto fd = ASSERT_NO_ERRNO_AND_VALUE(OpenPath(test_file_path_, O_RDWR, fh));
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auto close_fd = CloseFD(fd);
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struct fuse_out_header out_header = {
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.len = sizeof(struct fuse_out_header) + sizeof(struct fuse_attr_out),
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.error = 0,
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};
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struct fuse_attr_out out_payload = {
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.attr = DefaultFuseAttr(S_IFREG | S_IRUSR | S_IWUSR | S_IXUSR, 2),
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};
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auto iov_out = FuseGenerateIovecs(out_header, out_payload);
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SetServerResponse(FUSE_SETATTR, iov_out);
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// Make syscall.
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EXPECT_THAT(fchown(fd.get(), 1025, 1025), SyscallSucceeds());
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// Check FUSE request.
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struct fuse_in_header in_header;
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struct fuse_setattr_in in_payload;
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auto iov_in = FuseGenerateIovecs(in_header, in_payload);
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GetServerActualRequest(iov_in);
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EXPECT_EQ(in_header.len, sizeof(in_header) + sizeof(in_payload));
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EXPECT_EQ(in_header.opcode, FUSE_SETATTR);
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EXPECT_EQ(in_header.uid, 0);
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EXPECT_EQ(in_header.gid, 0);
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EXPECT_EQ(in_payload.valid, FATTR_UID | FATTR_GID | FATTR_FH);
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EXPECT_EQ(in_payload.fh, fh);
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EXPECT_EQ(in_payload.uid, 1025);
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EXPECT_EQ(in_payload.gid, 1025);
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}
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} // namespace
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} // namespace testing
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} // namespace gvisor
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