diff options
| author | Andrei Vagin <avagin@google.com> | 2020-12-23 11:08:42 -0800 |
|---|---|---|
| committer | gVisor bot <gvisor-bot@google.com> | 2020-12-23 11:11:07 -0800 |
| commit | d07915987631f4c3c6345275019a5b5b0cf28dbb (patch) | |
| tree | e4fe185b9f066fbdc59581ae4f3c8b907807b2f2 /test | |
| parent | 6d96a2394d3a4b983b1fa046cf605e22404c4948 (diff) | |
vfs1: don't allow to open socket files
open() has to return ENXIO in this case.
O_PATH isn't supported by vfs1.
PiperOrigin-RevId: 348820478
Diffstat (limited to 'test')
| -rw-r--r-- | test/syscalls/linux/BUILD | 1 | ||||
| -rw-r--r-- | test/syscalls/linux/socket_unix_unbound_filesystem.cc | 16 |
2 files changed, 17 insertions, 0 deletions
diff --git a/test/syscalls/linux/BUILD b/test/syscalls/linux/BUILD index a9d91c589..89d532c70 100644 --- a/test/syscalls/linux/BUILD +++ b/test/syscalls/linux/BUILD @@ -3324,6 +3324,7 @@ cc_binary( ":socket_test_util", ":unix_domain_socket_test_util", gtest, + "//test/util:file_descriptor", "//test/util:test_main", "//test/util:test_util", ], diff --git a/test/syscalls/linux/socket_unix_unbound_filesystem.cc b/test/syscalls/linux/socket_unix_unbound_filesystem.cc index cab912152..a035fb095 100644 --- a/test/syscalls/linux/socket_unix_unbound_filesystem.cc +++ b/test/syscalls/linux/socket_unix_unbound_filesystem.cc @@ -12,12 +12,14 @@ // See the License for the specific language governing permissions and // limitations under the License. +#include <fcntl.h> #include <stdio.h> #include <sys/un.h> #include "gtest/gtest.h" #include "test/syscalls/linux/socket_test_util.h" #include "test/syscalls/linux/unix_domain_socket_test_util.h" +#include "test/util/file_descriptor.h" #include "test/util/test_util.h" namespace gvisor { @@ -70,6 +72,20 @@ TEST_P(UnboundFilesystemUnixSocketPairTest, GetSockNameLength) { strlen(want_addr.sun_path) + 1 + sizeof(want_addr.sun_family)); } +TEST_P(UnboundFilesystemUnixSocketPairTest, OpenSocketWithTruncate) { + auto sockets = ASSERT_NO_ERRNO_AND_VALUE(NewSocketPair()); + + ASSERT_THAT(bind(sockets->first_fd(), sockets->first_addr(), + sockets->first_addr_size()), + SyscallSucceeds()); + + const struct sockaddr_un *addr = + reinterpret_cast<const struct sockaddr_un *>(sockets->first_addr()); + EXPECT_THAT(chmod(addr->sun_path, 0777), SyscallSucceeds()); + EXPECT_THAT(open(addr->sun_path, O_RDONLY | O_TRUNC), + SyscallFailsWithErrno(ENXIO)); +} + INSTANTIATE_TEST_SUITE_P( AllUnixDomainSockets, UnboundFilesystemUnixSocketPairTest, ::testing::ValuesIn(ApplyVec<SocketPairKind>( |