// Copyright 2020 The gVisor Authors. // // 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 <errno.h> #include <fcntl.h> #include <linux/fuse.h> #include <sys/stat.h> #include <sys/statfs.h> #include <sys/types.h> #include <unistd.h> #include <string> #include <vector> #include "gtest/gtest.h" #include "test/fuse/linux/fuse_base.h" #include "test/util/fuse_util.h" #include "test/util/temp_umask.h" #include "test/util/test_util.h" namespace gvisor { namespace testing { namespace { class MkdirTest : public FuseTest { protected: const std::string test_dir_ = "test_dir"; const mode_t perms_ = S_IRWXU | S_IRWXG | S_IRWXO; }; TEST_F(MkdirTest, CreateDir) { const std::string test_dir_path_ = JoinPath(mount_point_.path().c_str(), test_dir_); const mode_t new_umask = 0077; struct fuse_out_header out_header = { .len = sizeof(struct fuse_out_header) + sizeof(struct fuse_entry_out), }; struct fuse_entry_out out_payload = DefaultEntryOut(S_IFDIR | perms_, 5); auto iov_out = FuseGenerateIovecs(out_header, out_payload); SetServerResponse(FUSE_MKDIR, iov_out); TempUmask mask(new_umask); ASSERT_THAT(mkdir(test_dir_path_.c_str(), 0777), SyscallSucceeds()); struct fuse_in_header in_header; struct fuse_mkdir_in in_payload; std::vector<char> actual_dir(test_dir_.length() + 1); auto iov_in = FuseGenerateIovecs(in_header, in_payload, actual_dir); GetServerActualRequest(iov_in); EXPECT_EQ(in_header.len, sizeof(in_header) + sizeof(in_payload) + test_dir_.length() + 1); EXPECT_EQ(in_header.opcode, FUSE_MKDIR); EXPECT_EQ(in_payload.mode & 0777, perms_ & ~new_umask); EXPECT_EQ(in_payload.umask, new_umask); EXPECT_EQ(std::string(actual_dir.data()), test_dir_); } TEST_F(MkdirTest, FileTypeError) { const std::string test_dir_path_ = JoinPath(mount_point_.path().c_str(), test_dir_); struct fuse_out_header out_header = { .len = sizeof(struct fuse_out_header) + sizeof(struct fuse_entry_out), }; struct fuse_entry_out out_payload = DefaultEntryOut(S_IFREG | perms_, 5); auto iov_out = FuseGenerateIovecs(out_header, out_payload); SetServerResponse(FUSE_MKDIR, iov_out); ASSERT_THAT(mkdir(test_dir_path_.c_str(), 0777), SyscallFailsWithErrno(EIO)); SkipServerActualRequest(); } } // namespace } // namespace testing } // namespace gvisor