diff options
author | Boyuan He <heboyuan@google.com> | 2020-08-18 23:09:34 +0000 |
---|---|---|
committer | Andrei Vagin <avagin@gmail.com> | 2020-09-11 13:35:25 -0700 |
commit | 3d7c9f41ca4ea43339f0bbef3e619ac2f50284c1 (patch) | |
tree | e6aa6980fbafdc3f4841521049877792d8ed0bb5 /test/fuse | |
parent | e6c69537b2c73920ec7cbf28cffbdedee1651792 (diff) |
Implement FUSE_SYMLINK
Fixes #3452
Diffstat (limited to 'test/fuse')
-rw-r--r-- | test/fuse/BUILD | 5 | ||||
-rw-r--r-- | test/fuse/linux/BUILD | 13 | ||||
-rw-r--r-- | test/fuse/linux/symlink_test.cc | 88 |
3 files changed, 106 insertions, 0 deletions
diff --git a/test/fuse/BUILD b/test/fuse/BUILD index ff2948eb3..2f91fe2c7 100644 --- a/test/fuse/BUILD +++ b/test/fuse/BUILD @@ -21,3 +21,8 @@ syscall_test( fuse = "True", test = "//test/fuse/linux:mknod_test", ) + +syscall_test( + fuse = "True", + test = "//test/fuse/linux:symlink_test", +) diff --git a/test/fuse/linux/BUILD b/test/fuse/linux/BUILD index c0f917606..df42857f6 100644 --- a/test/fuse/linux/BUILD +++ b/test/fuse/linux/BUILD @@ -58,6 +58,19 @@ cc_binary( ], ) +cc_binary( + name = "symlink_test", + testonly = 1, + srcs = ["symlink_test.cc"], + deps = [ + gtest, + ":fuse_base", + "//test/util:fuse_util", + "//test/util:test_main", + "//test/util:test_util", + ], +) + cc_library( name = "fuse_base", testonly = 1, diff --git a/test/fuse/linux/symlink_test.cc b/test/fuse/linux/symlink_test.cc new file mode 100644 index 000000000..2c3a52987 --- /dev/null +++ b/test/fuse/linux/symlink_test.cc @@ -0,0 +1,88 @@ +// 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/test_util.h" + +namespace gvisor { +namespace testing { + +namespace { + +class SymlinkTest : public FuseTest { + protected: + const std::string target_file_ = "target_file_"; + const std::string symlink_ = "symlink_"; + const mode_t perms_ = S_IRWXU | S_IRWXG | S_IRWXO; +}; + +TEST_F(SymlinkTest, CreateSymLink) { + const std::string symlink_path = + JoinPath(mount_point_.path().c_str(), symlink_); + + 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_IFLNK | perms_, 5); + auto iov_out = FuseGenerateIovecs(out_header, out_payload); + SetServerResponse(FUSE_SYMLINK, iov_out); + ASSERT_THAT(symlink(target_file_.c_str(), symlink_path.c_str()), + SyscallSucceeds()); + + struct fuse_in_header in_header; + std::vector<char> actual_target_file(target_file_.length() + 1); + std::vector<char> actual_symlink(symlink_.length() + 1); + auto iov_in = + FuseGenerateIovecs(in_header, actual_symlink, actual_target_file); + GetServerActualRequest(iov_in); + + EXPECT_EQ(in_header.len, + sizeof(in_header) + symlink_.length() + target_file_.length() + 2); + EXPECT_EQ(in_header.opcode, FUSE_SYMLINK); + EXPECT_EQ(std::string(actual_target_file.data()), target_file_); + EXPECT_EQ(std::string(actual_symlink.data()), symlink_); +} + +TEST_F(SymlinkTest, FileTypeError) { + const std::string symlink_path = + JoinPath(mount_point_.path().c_str(), symlink_); + + 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_SYMLINK, iov_out); + ASSERT_THAT(symlink(target_file_.c_str(), symlink_path.c_str()), + SyscallFailsWithErrno(EIO)); + SkipServerActualRequest(); +} + +} // namespace + +} // namespace testing +} // namespace gvisor |