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-rw-r--r--test/syscalls/linux/socket.cc121
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diff --git a/test/syscalls/linux/socket.cc b/test/syscalls/linux/socket.cc
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+++ b/test/syscalls/linux/socket.cc
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+// Copyright 2018 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 <sys/socket.h>
+#include <sys/stat.h>
+#include <sys/types.h>
+#include <unistd.h>
+
+#include "gtest/gtest.h"
+#include "test/syscalls/linux/socket_test_util.h"
+#include "test/util/file_descriptor.h"
+#include "test/util/temp_umask.h"
+#include "test/util/test_util.h"
+
+namespace gvisor {
+namespace testing {
+
+TEST(SocketTest, UnixSocketPairProtocol) {
+ int socks[2];
+ ASSERT_THAT(socketpair(AF_UNIX, SOCK_STREAM, PF_UNIX, socks),
+ SyscallSucceeds());
+ close(socks[0]);
+ close(socks[1]);
+}
+
+TEST(SocketTest, ProtocolUnix) {
+ struct {
+ int domain, type, protocol;
+ } tests[] = {
+ {AF_UNIX, SOCK_STREAM, PF_UNIX},
+ {AF_UNIX, SOCK_SEQPACKET, PF_UNIX},
+ {AF_UNIX, SOCK_DGRAM, PF_UNIX},
+ };
+ for (int i = 0; i < ABSL_ARRAYSIZE(tests); i++) {
+ ASSERT_NO_ERRNO_AND_VALUE(
+ Socket(tests[i].domain, tests[i].type, tests[i].protocol));
+ }
+}
+
+TEST(SocketTest, ProtocolInet) {
+ struct {
+ int domain, type, protocol;
+ } tests[] = {
+ {AF_INET, SOCK_DGRAM, IPPROTO_UDP},
+ {AF_INET, SOCK_STREAM, IPPROTO_TCP},
+ };
+ for (int i = 0; i < ABSL_ARRAYSIZE(tests); i++) {
+ ASSERT_NO_ERRNO_AND_VALUE(
+ Socket(tests[i].domain, tests[i].type, tests[i].protocol));
+ }
+}
+
+TEST(SocketTest, UnixSocketStat) {
+ SKIP_IF(IsRunningWithVFS1());
+
+ FileDescriptor bound =
+ ASSERT_NO_ERRNO_AND_VALUE(Socket(AF_UNIX, SOCK_STREAM, PF_UNIX));
+
+ // The permissions of the file created with bind(2) should be defined by the
+ // permissions of the bound socket and the umask.
+ mode_t sock_perm = 0765, mask = 0123;
+ ASSERT_THAT(fchmod(bound.get(), sock_perm), SyscallSucceeds());
+ TempUmask m(mask);
+
+ struct sockaddr_un addr =
+ ASSERT_NO_ERRNO_AND_VALUE(UniqueUnixAddr(/*abstract=*/false, AF_UNIX));
+ ASSERT_THAT(bind(bound.get(), reinterpret_cast<struct sockaddr*>(&addr),
+ sizeof(addr)),
+ SyscallSucceeds());
+
+ struct stat statbuf = {};
+ ASSERT_THAT(stat(addr.sun_path, &statbuf), SyscallSucceeds());
+
+ // Mode should be S_IFSOCK.
+ EXPECT_EQ(statbuf.st_mode, S_IFSOCK | sock_perm & ~mask);
+
+ // Timestamps should be equal and non-zero.
+ // TODO(b/158882152): Sockets currently don't implement timestamps.
+ if (!IsRunningOnGvisor()) {
+ EXPECT_NE(statbuf.st_atime, 0);
+ EXPECT_EQ(statbuf.st_atime, statbuf.st_mtime);
+ EXPECT_EQ(statbuf.st_atime, statbuf.st_ctime);
+ }
+}
+
+using SocketOpenTest = ::testing::TestWithParam<int>;
+
+// UDS cannot be opened.
+TEST_P(SocketOpenTest, Unix) {
+ // FIXME(b/142001530): Open incorrectly succeeds on gVisor.
+ SKIP_IF(IsRunningWithVFS1());
+
+ FileDescriptor bound =
+ ASSERT_NO_ERRNO_AND_VALUE(Socket(AF_UNIX, SOCK_STREAM, PF_UNIX));
+
+ struct sockaddr_un addr =
+ ASSERT_NO_ERRNO_AND_VALUE(UniqueUnixAddr(/*abstract=*/false, AF_UNIX));
+
+ ASSERT_THAT(bind(bound.get(), reinterpret_cast<struct sockaddr*>(&addr),
+ sizeof(addr)),
+ SyscallSucceeds());
+
+ EXPECT_THAT(open(addr.sun_path, GetParam()), SyscallFailsWithErrno(ENXIO));
+}
+
+INSTANTIATE_TEST_SUITE_P(OpenModes, SocketOpenTest,
+ ::testing::Values(O_RDONLY, O_RDWR));
+
+} // namespace testing
+} // namespace gvisor