diff options
Diffstat (limited to 'test/syscalls/linux')
-rw-r--r-- | test/syscalls/linux/BUILD | 5 | ||||
-rw-r--r-- | test/syscalls/linux/aio.cc | 12 | ||||
-rw-r--r-- | test/syscalls/linux/epoll.cc | 4 | ||||
-rw-r--r-- | test/syscalls/linux/file_base.h | 19 | ||||
-rw-r--r-- | test/syscalls/linux/ip_socket_test_util.cc | 10 | ||||
-rw-r--r-- | test/syscalls/linux/ip_socket_test_util.h | 6 | ||||
-rw-r--r-- | test/syscalls/linux/proc.cc | 33 | ||||
-rw-r--r-- | test/syscalls/linux/pwrite64.cc | 9 | ||||
-rw-r--r-- | test/syscalls/linux/sendfile_socket.cc | 105 | ||||
-rw-r--r-- | test/syscalls/linux/socket_ipv4_udp_unbound_external_networking.cc | 49 | ||||
-rw-r--r-- | test/syscalls/linux/socket_ipv4_udp_unbound_external_networking.h | 6 | ||||
-rw-r--r-- | test/syscalls/linux/socket_netlink_route.cc | 75 | ||||
-rw-r--r-- | test/syscalls/linux/socket_netlink_route_util.cc | 7 | ||||
-rw-r--r-- | test/syscalls/linux/socket_netlink_route_util.h | 4 | ||||
-rw-r--r-- | test/syscalls/linux/tuntap.cc | 26 | ||||
-rw-r--r-- | test/syscalls/linux/utimes.cc | 18 | ||||
-rw-r--r-- | test/syscalls/linux/write.cc | 10 |
17 files changed, 136 insertions, 262 deletions
diff --git a/test/syscalls/linux/BUILD b/test/syscalls/linux/BUILD index d0c431234..96ca39583 100644 --- a/test/syscalls/linux/BUILD +++ b/test/syscalls/linux/BUILD @@ -138,7 +138,6 @@ cc_library( hdrs = ["socket_netlink_route_util.h"], deps = [ ":socket_netlink_util", - "@com_google_absl//absl/types:optional", ], ) @@ -2026,6 +2025,8 @@ cc_binary( "//test/util:file_descriptor", "@com_google_absl//absl/strings", gtest, + ":ip_socket_test_util", + ":unix_domain_socket_test_util", "//test/util:temp_path", "//test/util:test_main", "//test/util:test_util", @@ -2802,13 +2803,13 @@ cc_binary( srcs = ["socket_netlink_route.cc"], linkstatic = 1, deps = [ + ":socket_netlink_route_util", ":socket_netlink_util", ":socket_test_util", "//test/util:capability_util", "//test/util:cleanup", "//test/util:file_descriptor", "@com_google_absl//absl/strings:str_format", - "@com_google_absl//absl/types:optional", gtest, "//test/util:test_main", "//test/util:test_util", diff --git a/test/syscalls/linux/aio.cc b/test/syscalls/linux/aio.cc index a33daff17..806d5729e 100644 --- a/test/syscalls/linux/aio.cc +++ b/test/syscalls/linux/aio.cc @@ -89,6 +89,7 @@ class AIOTest : public FileTest { FileTest::TearDown(); if (ctx_ != 0) { ASSERT_THAT(DestroyContext(), SyscallSucceeds()); + ctx_ = 0; } } @@ -188,14 +189,19 @@ TEST_F(AIOTest, BadWrite) { } TEST_F(AIOTest, ExitWithPendingIo) { - // Setup a context that is 5 entries deep. - ASSERT_THAT(SetupContext(5), SyscallSucceeds()); + // Setup a context that is 100 entries deep. + ASSERT_THAT(SetupContext(100), SyscallSucceeds()); struct iocb cb = CreateCallback(); struct iocb* cbs[] = {&cb}; // Submit a request but don't complete it to make it pending. - EXPECT_THAT(Submit(1, cbs), SyscallSucceeds()); + for (int i = 0; i < 100; ++i) { + EXPECT_THAT(Submit(1, cbs), SyscallSucceeds()); + } + + ASSERT_THAT(DestroyContext(), SyscallSucceeds()); + ctx_ = 0; } int Submitter(void* arg) { diff --git a/test/syscalls/linux/epoll.cc b/test/syscalls/linux/epoll.cc index a4f8f3cec..f57d38dc7 100644 --- a/test/syscalls/linux/epoll.cc +++ b/test/syscalls/linux/epoll.cc @@ -56,10 +56,6 @@ TEST(EpollTest, AllWritable) { struct epoll_event result[kFDsPerEpoll]; ASSERT_THAT(RetryEINTR(epoll_wait)(epollfd.get(), result, kFDsPerEpoll, -1), SyscallSucceedsWithValue(kFDsPerEpoll)); - // TODO(edahlgren): Why do some tests check epoll_event::data, and others - // don't? Does Linux actually guarantee that, in any of these test cases, - // epoll_wait will necessarily write out the epoll_events in the order that - // they were registered? for (int i = 0; i < kFDsPerEpoll; i++) { ASSERT_EQ(result[i].events, EPOLLOUT); } diff --git a/test/syscalls/linux/file_base.h b/test/syscalls/linux/file_base.h index 6f80bc97c..fb418e052 100644 --- a/test/syscalls/linux/file_base.h +++ b/test/syscalls/linux/file_base.h @@ -52,17 +52,6 @@ class FileTest : public ::testing::Test { test_file_fd_ = ASSERT_NO_ERRNO_AND_VALUE( Open(test_file_name_, O_CREAT | O_RDWR, S_IRUSR | S_IWUSR)); - // FIXME(edahlgren): enable when mknod syscall is supported. - // test_fifo_name_ = NewTempAbsPath(); - // ASSERT_THAT(mknod(test_fifo_name_.c_str()), S_IFIFO|0644, 0, - // SyscallSucceeds()); - // ASSERT_THAT(test_fifo_[1] = open(test_fifo_name_.c_str(), - // O_WRONLY), - // SyscallSucceeds()); - // ASSERT_THAT(test_fifo_[0] = open(test_fifo_name_.c_str(), - // O_RDONLY), - // SyscallSucceeds()); - ASSERT_THAT(pipe(test_pipe_), SyscallSucceeds()); ASSERT_THAT(fcntl(test_pipe_[0], F_SETFL, O_NONBLOCK), SyscallSucceeds()); } @@ -96,18 +85,12 @@ class FileTest : public ::testing::Test { CloseFile(); UnlinkFile(); ClosePipes(); - - // FIXME(edahlgren): enable when mknod syscall is supported. - // close(test_fifo_[0]); - // close(test_fifo_[1]); - // unlink(test_fifo_name_.c_str()); } + protected: std::string test_file_name_; - std::string test_fifo_name_; FileDescriptor test_file_fd_; - int test_fifo_[2]; int test_pipe_[2]; }; diff --git a/test/syscalls/linux/ip_socket_test_util.cc b/test/syscalls/linux/ip_socket_test_util.cc index bba022a41..d28dc0db6 100644 --- a/test/syscalls/linux/ip_socket_test_util.cc +++ b/test/syscalls/linux/ip_socket_test_util.cc @@ -177,17 +177,17 @@ SocketKind IPv6TCPUnboundSocket(int type) { PosixError IfAddrHelper::Load() { Release(); RETURN_ERROR_IF_SYSCALL_FAIL(getifaddrs(&ifaddr_)); - return PosixError(0); + return NoError(); } void IfAddrHelper::Release() { if (ifaddr_) { freeifaddrs(ifaddr_); + ifaddr_ = nullptr; } - ifaddr_ = nullptr; } -std::vector<std::string> IfAddrHelper::InterfaceList(int family) { +std::vector<std::string> IfAddrHelper::InterfaceList(int family) const { std::vector<std::string> names; for (auto ifa = ifaddr_; ifa != NULL; ifa = ifa->ifa_next) { if (ifa->ifa_addr == NULL || ifa->ifa_addr->sa_family != family) { @@ -198,7 +198,7 @@ std::vector<std::string> IfAddrHelper::InterfaceList(int family) { return names; } -sockaddr* IfAddrHelper::GetAddr(int family, std::string name) { +const sockaddr* IfAddrHelper::GetAddr(int family, std::string name) const { for (auto ifa = ifaddr_; ifa != NULL; ifa = ifa->ifa_next) { if (ifa->ifa_addr == NULL || ifa->ifa_addr->sa_family != family) { continue; @@ -210,7 +210,7 @@ sockaddr* IfAddrHelper::GetAddr(int family, std::string name) { return nullptr; } -PosixErrorOr<int> IfAddrHelper::GetIndex(std::string name) { +PosixErrorOr<int> IfAddrHelper::GetIndex(std::string name) const { return InterfaceIndex(name); } diff --git a/test/syscalls/linux/ip_socket_test_util.h b/test/syscalls/linux/ip_socket_test_util.h index 39fd6709d..9c3859fcd 100644 --- a/test/syscalls/linux/ip_socket_test_util.h +++ b/test/syscalls/linux/ip_socket_test_util.h @@ -110,10 +110,10 @@ class IfAddrHelper { PosixError Load(); void Release(); - std::vector<std::string> InterfaceList(int family); + std::vector<std::string> InterfaceList(int family) const; - struct sockaddr* GetAddr(int family, std::string name); - PosixErrorOr<int> GetIndex(std::string name); + const sockaddr* GetAddr(int family, std::string name) const; + PosixErrorOr<int> GetIndex(std::string name) const; private: struct ifaddrs* ifaddr_; diff --git a/test/syscalls/linux/proc.cc b/test/syscalls/linux/proc.cc index 5a70f6c3b..79a625ebc 100644 --- a/test/syscalls/linux/proc.cc +++ b/test/syscalls/linux/proc.cc @@ -994,7 +994,7 @@ constexpr uint64_t kMappingSize = 100 << 20; // Tolerance on RSS comparisons to account for background thread mappings, // reclaimed pages, newly faulted pages, etc. -constexpr uint64_t kRSSTolerance = 5 << 20; +constexpr uint64_t kRSSTolerance = 10 << 20; // Capture RSS before and after an anonymous mapping with passed prot. void MapPopulateRSS(int prot, uint64_t* before, uint64_t* after) { @@ -1326,8 +1326,6 @@ TEST(ProcPidSymlink, SubprocessRunning) { SyscallSucceedsWithValue(sizeof(buf))); } -// FIXME(gvisor.dev/issue/164): Inconsistent behavior between gVisor and linux -// on proc files. TEST(ProcPidSymlink, SubprocessZombied) { ASSERT_NO_ERRNO(SetCapability(CAP_DAC_OVERRIDE, false)); ASSERT_NO_ERRNO(SetCapability(CAP_DAC_READ_SEARCH, false)); @@ -1337,7 +1335,7 @@ TEST(ProcPidSymlink, SubprocessZombied) { int want = EACCES; if (!IsRunningOnGvisor()) { auto version = ASSERT_NO_ERRNO_AND_VALUE(GetKernelVersion()); - if (version.major == 4 && version.minor > 3) { + if (version.major > 4 || (version.major == 4 && version.minor > 3)) { want = ENOENT; } } @@ -1350,30 +1348,25 @@ TEST(ProcPidSymlink, SubprocessZombied) { SyscallFailsWithErrno(want)); } - // FIXME(gvisor.dev/issue/164): Inconsistent behavior between gVisor and linux - // on proc files. + // FIXME(gvisor.dev/issue/164): Inconsistent behavior between linux on proc + // files. // // ~4.3: Syscall fails with EACCES. - // 4.17 & gVisor: Syscall succeeds and returns 1. + // 4.17: Syscall succeeds and returns 1. // - // EXPECT_THAT(ReadlinkWhileZombied("ns/pid", buf, sizeof(buf)), - // SyscallFailsWithErrno(EACCES)); + if (!IsRunningOnGvisor()) { + return; + } - // FIXME(gvisor.dev/issue/164): Inconsistent behavior between gVisor and linux - // on proc files. - // - // ~4.3: Syscall fails with EACCES. - // 4.17 & gVisor: Syscall succeeds and returns 1. - // - // EXPECT_THAT(ReadlinkWhileZombied("ns/user", buf, sizeof(buf)), - // SyscallFailsWithErrno(EACCES)); + EXPECT_THAT(ReadlinkWhileZombied("ns/pid", buf, sizeof(buf)), + SyscallFailsWithErrno(want)); + + EXPECT_THAT(ReadlinkWhileZombied("ns/user", buf, sizeof(buf)), + SyscallFailsWithErrno(want)); } // Test whether /proc/PID/ symlinks can be read for an exited process. TEST(ProcPidSymlink, SubprocessExited) { - // FIXME(gvisor.dev/issue/164): These all succeed on gVisor. - SKIP_IF(IsRunningOnGvisor()); - char buf[1]; EXPECT_THAT(ReadlinkWhileExited("exe", buf, sizeof(buf)), diff --git a/test/syscalls/linux/pwrite64.cc b/test/syscalls/linux/pwrite64.cc index b48fe540d..c2f72e010 100644 --- a/test/syscalls/linux/pwrite64.cc +++ b/test/syscalls/linux/pwrite64.cc @@ -27,14 +27,7 @@ namespace testing { namespace { -// This test is currently very rudimentary. -// -// TODO(edahlgren): -// * bad buffer states (EFAULT). -// * bad fds (wrong permission, wrong type of file, EBADF). -// * check offset is not incremented. -// * check for EOF. -// * writing to pipes, symlinks, special files. +// TODO(gvisor.dev/issue/2370): This test is currently very rudimentary. class Pwrite64 : public ::testing::Test { void SetUp() override { name_ = NewTempAbsPath(); diff --git a/test/syscalls/linux/sendfile_socket.cc b/test/syscalls/linux/sendfile_socket.cc index e94672679..c101fe9d2 100644 --- a/test/syscalls/linux/sendfile_socket.cc +++ b/test/syscalls/linux/sendfile_socket.cc @@ -23,6 +23,7 @@ #include "gtest/gtest.h" #include "absl/strings/string_view.h" +#include "test/syscalls/linux/ip_socket_test_util.h" #include "test/syscalls/linux/socket_test_util.h" #include "test/util/file_descriptor.h" #include "test/util/temp_path.h" @@ -35,61 +36,39 @@ namespace { class SendFileTest : public ::testing::TestWithParam<int> { protected: - PosixErrorOr<std::tuple<int, int>> Sockets() { + PosixErrorOr<std::unique_ptr<SocketPair>> Sockets(int type) { // Bind a server socket. int family = GetParam(); - struct sockaddr server_addr = {}; switch (family) { case AF_INET: { - struct sockaddr_in* server_addr_in = - reinterpret_cast<struct sockaddr_in*>(&server_addr); - server_addr_in->sin_family = family; - server_addr_in->sin_addr.s_addr = INADDR_ANY; - break; + if (type == SOCK_STREAM) { + return SocketPairKind{ + "TCP", AF_INET, type, 0, + TCPAcceptBindSocketPairCreator(AF_INET, type, 0, false)} + .Create(); + } else { + return SocketPairKind{ + "UDP", AF_INET, type, 0, + UDPBidirectionalBindSocketPairCreator(AF_INET, type, 0, false)} + .Create(); + } } case AF_UNIX: { - struct sockaddr_un* server_addr_un = - reinterpret_cast<struct sockaddr_un*>(&server_addr); - server_addr_un->sun_family = family; - server_addr_un->sun_path[0] = '\0'; - break; + if (type == SOCK_STREAM) { + return SocketPairKind{ + "UNIX", AF_UNIX, type, 0, + FilesystemAcceptBindSocketPairCreator(AF_UNIX, type, 0)} + .Create(); + } else { + return SocketPairKind{ + "UNIX", AF_UNIX, type, 0, + FilesystemBidirectionalBindSocketPairCreator(AF_UNIX, type, 0)} + .Create(); + } } default: return PosixError(EINVAL); } - int server = socket(family, SOCK_STREAM, 0); - if (bind(server, &server_addr, sizeof(server_addr)) < 0) { - return PosixError(errno); - } - if (listen(server, 1) < 0) { - close(server); - return PosixError(errno); - } - - // Fetch the address; both are anonymous. - socklen_t length = sizeof(server_addr); - if (getsockname(server, &server_addr, &length) < 0) { - close(server); - return PosixError(errno); - } - - // Connect the client. - int client = socket(family, SOCK_STREAM, 0); - if (connect(client, &server_addr, length) < 0) { - close(server); - close(client); - return PosixError(errno); - } - - // Accept on the server. - int server_client = accept(server, nullptr, 0); - if (server_client < 0) { - close(server); - close(client); - return PosixError(errno); - } - close(server); - return std::make_tuple(client, server_client); } }; @@ -106,9 +85,7 @@ TEST_P(SendFileTest, SendMultiple) { const TempPath out_file = ASSERT_NO_ERRNO_AND_VALUE(TempPath::CreateFile()); // Create sockets. - std::tuple<int, int> fds = ASSERT_NO_ERRNO_AND_VALUE(Sockets()); - const FileDescriptor server(std::get<0>(fds)); - FileDescriptor client(std::get<1>(fds)); // non-const, reset is used. + auto socks = ASSERT_NO_ERRNO_AND_VALUE(Sockets(SOCK_STREAM)); // Thread that reads data from socket and dumps to a file. ScopedThread th([&] { @@ -118,7 +95,7 @@ TEST_P(SendFileTest, SendMultiple) { // Read until socket is closed. char buf[10240]; for (int cnt = 0;; cnt++) { - int r = RetryEINTR(read)(server.get(), buf, sizeof(buf)); + int r = RetryEINTR(read)(socks->first_fd(), buf, sizeof(buf)); // We cannot afford to save on every read() call. if (cnt % 1000 == 0) { ASSERT_THAT(r, SyscallSucceeds()); @@ -152,7 +129,7 @@ TEST_P(SendFileTest, SendMultiple) { << ", remain=" << remain << std::endl; // Send data and verify that sendfile returns the correct value. - int res = sendfile(client.get(), inf.get(), nullptr, remain); + int res = sendfile(socks->second_fd(), inf.get(), nullptr, remain); // We cannot afford to save on every sendfile() call. if (cnt % 120 == 0) { MaybeSave(); @@ -169,7 +146,7 @@ TEST_P(SendFileTest, SendMultiple) { } // Close socket to stop thread. - client.reset(); + close(socks->release_second_fd()); th.Join(); // Verify that the output file has the correct data. @@ -183,9 +160,7 @@ TEST_P(SendFileTest, SendMultiple) { TEST_P(SendFileTest, Shutdown) { // Create a socket. - std::tuple<int, int> fds = ASSERT_NO_ERRNO_AND_VALUE(Sockets()); - const FileDescriptor client(std::get<0>(fds)); - FileDescriptor server(std::get<1>(fds)); // non-const, reset below. + auto socks = ASSERT_NO_ERRNO_AND_VALUE(Sockets(SOCK_STREAM)); // If this is a TCP socket, then turn off linger. if (GetParam() == AF_INET) { @@ -193,7 +168,7 @@ TEST_P(SendFileTest, Shutdown) { sl.l_onoff = 1; sl.l_linger = 0; ASSERT_THAT( - setsockopt(server.get(), SOL_SOCKET, SO_LINGER, &sl, sizeof(sl)), + setsockopt(socks->first_fd(), SOL_SOCKET, SO_LINGER, &sl, sizeof(sl)), SyscallSucceeds()); } @@ -212,12 +187,12 @@ TEST_P(SendFileTest, Shutdown) { ScopedThread t([&]() { size_t done = 0; while (done < data.size()) { - int n = RetryEINTR(read)(server.get(), data.data(), data.size()); + int n = RetryEINTR(read)(socks->first_fd(), data.data(), data.size()); ASSERT_THAT(n, SyscallSucceeds()); done += n; } // Close the server side socket. - server.reset(); + close(socks->release_first_fd()); }); // Continuously stream from the file to the socket. Note we do not assert @@ -225,7 +200,7 @@ TEST_P(SendFileTest, Shutdown) { // data is written. Eventually, we should get a connection reset error. while (1) { off_t offset = 0; // Always read from the start. - int n = sendfile(client.get(), inf.get(), &offset, data.size()); + int n = sendfile(socks->second_fd(), inf.get(), &offset, data.size()); EXPECT_THAT(n, AnyOf(SyscallFailsWithErrno(ECONNRESET), SyscallFailsWithErrno(EPIPE), SyscallSucceeds())); if (n <= 0) { @@ -234,6 +209,20 @@ TEST_P(SendFileTest, Shutdown) { } } +TEST_P(SendFileTest, SendpageFromEmptyFileToUDP) { + auto socks = ASSERT_NO_ERRNO_AND_VALUE(Sockets(SOCK_DGRAM)); + + TempPath file = ASSERT_NO_ERRNO_AND_VALUE(TempPath::CreateFile()); + const FileDescriptor fd = + ASSERT_NO_ERRNO_AND_VALUE(Open(file.path(), O_RDWR)); + + // The value to the count argument has to be so that it is impossible to + // allocate a buffer of this size. In Linux, sendfile transfer at most + // 0x7ffff000 (MAX_RW_COUNT) bytes. + EXPECT_THAT(sendfile(socks->first_fd(), fd.get(), 0x0, 0x8000000000004), + SyscallSucceedsWithValue(0)); +} + INSTANTIATE_TEST_SUITE_P(AddressFamily, SendFileTest, ::testing::Values(AF_UNIX, AF_INET)); diff --git a/test/syscalls/linux/socket_ipv4_udp_unbound_external_networking.cc b/test/syscalls/linux/socket_ipv4_udp_unbound_external_networking.cc index 40e673625..d690d9564 100644 --- a/test/syscalls/linux/socket_ipv4_udp_unbound_external_networking.cc +++ b/test/syscalls/linux/socket_ipv4_udp_unbound_external_networking.cc @@ -45,37 +45,31 @@ void IPv4UDPUnboundExternalNetworkingSocketTest::SetUp() { got_if_infos_ = false; // Get interface list. - std::vector<std::string> if_names; ASSERT_NO_ERRNO(if_helper_.Load()); - if_names = if_helper_.InterfaceList(AF_INET); + std::vector<std::string> if_names = if_helper_.InterfaceList(AF_INET); if (if_names.size() != 2) { return; } // Figure out which interface is where. - int lo = 0, eth = 1; - if (if_names[lo] != "lo") { - lo = 1; - eth = 0; - } - - if (if_names[lo] != "lo") { - return; - } - - lo_if_idx_ = ASSERT_NO_ERRNO_AND_VALUE(if_helper_.GetIndex(if_names[lo])); - lo_if_addr_ = if_helper_.GetAddr(AF_INET, if_names[lo]); - if (lo_if_addr_ == nullptr) { + std::string lo = if_names[0]; + std::string eth = if_names[1]; + if (lo != "lo") std::swap(lo, eth); + if (lo != "lo") return; + + lo_if_idx_ = ASSERT_NO_ERRNO_AND_VALUE(if_helper_.GetIndex(lo)); + auto lo_if_addr = if_helper_.GetAddr(AF_INET, lo); + if (lo_if_addr == nullptr) { return; } - lo_if_sin_addr_ = reinterpret_cast<sockaddr_in*>(lo_if_addr_)->sin_addr; + lo_if_addr_ = *reinterpret_cast<const sockaddr_in*>(lo_if_addr); - eth_if_idx_ = ASSERT_NO_ERRNO_AND_VALUE(if_helper_.GetIndex(if_names[eth])); - eth_if_addr_ = if_helper_.GetAddr(AF_INET, if_names[eth]); - if (eth_if_addr_ == nullptr) { + eth_if_idx_ = ASSERT_NO_ERRNO_AND_VALUE(if_helper_.GetIndex(eth)); + auto eth_if_addr = if_helper_.GetAddr(AF_INET, eth); + if (eth_if_addr == nullptr) { return; } - eth_if_sin_addr_ = reinterpret_cast<sockaddr_in*>(eth_if_addr_)->sin_addr; + eth_if_addr_ = *reinterpret_cast<const sockaddr_in*>(eth_if_addr); got_if_infos_ = true; } @@ -242,7 +236,7 @@ TEST_P(IPv4UDPUnboundExternalNetworkingSocketTest, // Bind the non-receiving socket to the unicast ethernet address. auto norecv_addr = rcv1_addr; reinterpret_cast<sockaddr_in*>(&norecv_addr.addr)->sin_addr = - eth_if_sin_addr_; + eth_if_addr_.sin_addr; ASSERT_THAT(bind(norcv->get(), reinterpret_cast<sockaddr*>(&norecv_addr.addr), norecv_addr.addr_len), SyscallSucceedsWithValue(0)); @@ -1028,7 +1022,7 @@ TEST_P(IPv4UDPUnboundExternalNetworkingSocketTest, auto sender = ASSERT_NO_ERRNO_AND_VALUE(NewSocket()); ip_mreqn iface = {}; iface.imr_ifindex = lo_if_idx_; - iface.imr_address = eth_if_sin_addr_; + iface.imr_address = eth_if_addr_.sin_addr; ASSERT_THAT(setsockopt(sender->get(), IPPROTO_IP, IP_MULTICAST_IF, &iface, sizeof(iface)), SyscallSucceeds()); @@ -1058,7 +1052,7 @@ TEST_P(IPv4UDPUnboundExternalNetworkingSocketTest, SKIP_IF(IsRunningOnGvisor()); // Verify the received source address. - EXPECT_EQ(eth_if_sin_addr_.s_addr, src_addr_in->sin_addr.s_addr); + EXPECT_EQ(eth_if_addr_.sin_addr.s_addr, src_addr_in->sin_addr.s_addr); } // Check that when we are bound to one interface we can set IP_MULTICAST_IF to @@ -1075,7 +1069,8 @@ TEST_P(IPv4UDPUnboundExternalNetworkingSocketTest, // Create sender and bind to eth interface. auto sender = ASSERT_NO_ERRNO_AND_VALUE(NewSocket()); - ASSERT_THAT(bind(sender->get(), eth_if_addr_, sizeof(sockaddr_in)), + ASSERT_THAT(bind(sender->get(), reinterpret_cast<sockaddr*>(ð_if_addr_), + sizeof(eth_if_addr_)), SyscallSucceeds()); // Run through all possible combinations of index and address for @@ -1085,9 +1080,9 @@ TEST_P(IPv4UDPUnboundExternalNetworkingSocketTest, struct in_addr imr_address; } test_data[] = { {lo_if_idx_, {}}, - {0, lo_if_sin_addr_}, - {lo_if_idx_, lo_if_sin_addr_}, - {lo_if_idx_, eth_if_sin_addr_}, + {0, lo_if_addr_.sin_addr}, + {lo_if_idx_, lo_if_addr_.sin_addr}, + {lo_if_idx_, eth_if_addr_.sin_addr}, }; for (auto t : test_data) { ip_mreqn iface = {}; diff --git a/test/syscalls/linux/socket_ipv4_udp_unbound_external_networking.h b/test/syscalls/linux/socket_ipv4_udp_unbound_external_networking.h index bec2e96ee..10b90b1e0 100644 --- a/test/syscalls/linux/socket_ipv4_udp_unbound_external_networking.h +++ b/test/syscalls/linux/socket_ipv4_udp_unbound_external_networking.h @@ -36,10 +36,8 @@ class IPv4UDPUnboundExternalNetworkingSocketTest : public SimpleSocketTest { // Interface infos. int lo_if_idx_; int eth_if_idx_; - sockaddr* lo_if_addr_; - sockaddr* eth_if_addr_; - in_addr lo_if_sin_addr_; - in_addr eth_if_sin_addr_; + sockaddr_in lo_if_addr_; + sockaddr_in eth_if_addr_; }; } // namespace testing diff --git a/test/syscalls/linux/socket_netlink_route.cc b/test/syscalls/linux/socket_netlink_route.cc index 2efb96bc3..fbe61c5a0 100644 --- a/test/syscalls/linux/socket_netlink_route.cc +++ b/test/syscalls/linux/socket_netlink_route.cc @@ -26,7 +26,7 @@ #include "gtest/gtest.h" #include "absl/strings/str_format.h" -#include "absl/types/optional.h" +#include "test/syscalls/linux/socket_netlink_route_util.h" #include "test/syscalls/linux/socket_netlink_util.h" #include "test/syscalls/linux/socket_test_util.h" #include "test/util/capability_util.h" @@ -118,24 +118,6 @@ void CheckGetLinkResponse(const struct nlmsghdr* hdr, int seq, int port) { // TODO(mpratt): Check ifinfomsg contents and following attrs. } -PosixError DumpLinks( - const FileDescriptor& fd, uint32_t seq, - const std::function<void(const struct nlmsghdr* hdr)>& fn) { - struct request { - struct nlmsghdr hdr; - struct ifinfomsg ifm; - }; - - struct request req = {}; - req.hdr.nlmsg_len = sizeof(req); - req.hdr.nlmsg_type = RTM_GETLINK; - req.hdr.nlmsg_flags = NLM_F_REQUEST | NLM_F_DUMP; - req.hdr.nlmsg_seq = seq; - req.ifm.ifi_family = AF_UNSPEC; - - return NetlinkRequestResponse(fd, &req, sizeof(req), fn, false); -} - TEST(NetlinkRouteTest, GetLinkDump) { FileDescriptor fd = ASSERT_NO_ERRNO_AND_VALUE(NetlinkBoundSocket(NETLINK_ROUTE)); @@ -161,37 +143,6 @@ TEST(NetlinkRouteTest, GetLinkDump) { EXPECT_TRUE(loopbackFound); } -struct Link { - int index; - std::string name; -}; - -PosixErrorOr<absl::optional<Link>> FindLoopbackLink() { - ASSIGN_OR_RETURN_ERRNO(FileDescriptor fd, NetlinkBoundSocket(NETLINK_ROUTE)); - - absl::optional<Link> link; - RETURN_IF_ERRNO(DumpLinks(fd, kSeq, [&](const struct nlmsghdr* hdr) { - if (hdr->nlmsg_type != RTM_NEWLINK || - hdr->nlmsg_len < NLMSG_SPACE(sizeof(struct ifinfomsg))) { - return; - } - const struct ifinfomsg* msg = - reinterpret_cast<const struct ifinfomsg*>(NLMSG_DATA(hdr)); - if (msg->ifi_type == ARPHRD_LOOPBACK) { - const auto* rta = FindRtAttr(hdr, msg, IFLA_IFNAME); - if (rta == nullptr) { - // Ignore links that do not have a name. - return; - } - - link = Link(); - link->index = msg->ifi_index; - link->name = std::string(reinterpret_cast<const char*>(RTA_DATA(rta))); - } - })); - return link; -} - // CheckLinkMsg checks a netlink message against an expected link. void CheckLinkMsg(const struct nlmsghdr* hdr, const Link& link) { ASSERT_THAT(hdr->nlmsg_type, Eq(RTM_NEWLINK)); @@ -209,9 +160,7 @@ void CheckLinkMsg(const struct nlmsghdr* hdr, const Link& link) { } TEST(NetlinkRouteTest, GetLinkByIndex) { - absl::optional<Link> loopback_link = - ASSERT_NO_ERRNO_AND_VALUE(FindLoopbackLink()); - ASSERT_TRUE(loopback_link.has_value()); + Link loopback_link = ASSERT_NO_ERRNO_AND_VALUE(LoopbackLink()); FileDescriptor fd = ASSERT_NO_ERRNO_AND_VALUE(NetlinkBoundSocket(NETLINK_ROUTE)); @@ -227,13 +176,13 @@ TEST(NetlinkRouteTest, GetLinkByIndex) { req.hdr.nlmsg_flags = NLM_F_REQUEST; req.hdr.nlmsg_seq = kSeq; req.ifm.ifi_family = AF_UNSPEC; - req.ifm.ifi_index = loopback_link->index; + req.ifm.ifi_index = loopback_link.index; bool found = false; ASSERT_NO_ERRNO(NetlinkRequestResponse( fd, &req, sizeof(req), [&](const struct nlmsghdr* hdr) { - CheckLinkMsg(hdr, *loopback_link); + CheckLinkMsg(hdr, loopback_link); found = true; }, false)); @@ -241,9 +190,7 @@ TEST(NetlinkRouteTest, GetLinkByIndex) { } TEST(NetlinkRouteTest, GetLinkByName) { - absl::optional<Link> loopback_link = - ASSERT_NO_ERRNO_AND_VALUE(FindLoopbackLink()); - ASSERT_TRUE(loopback_link.has_value()); + Link loopback_link = ASSERT_NO_ERRNO_AND_VALUE(LoopbackLink()); FileDescriptor fd = ASSERT_NO_ERRNO_AND_VALUE(NetlinkBoundSocket(NETLINK_ROUTE)); @@ -262,8 +209,8 @@ TEST(NetlinkRouteTest, GetLinkByName) { req.hdr.nlmsg_seq = kSeq; req.ifm.ifi_family = AF_UNSPEC; req.rtattr.rta_type = IFLA_IFNAME; - req.rtattr.rta_len = RTA_LENGTH(loopback_link->name.size() + 1); - strncpy(req.ifname, loopback_link->name.c_str(), sizeof(req.ifname)); + req.rtattr.rta_len = RTA_LENGTH(loopback_link.name.size() + 1); + strncpy(req.ifname, loopback_link.name.c_str(), sizeof(req.ifname)); req.hdr.nlmsg_len = NLMSG_LENGTH(sizeof(req.ifm)) + NLMSG_ALIGN(req.rtattr.rta_len); @@ -271,7 +218,7 @@ TEST(NetlinkRouteTest, GetLinkByName) { ASSERT_NO_ERRNO(NetlinkRequestResponse( fd, &req, sizeof(req), [&](const struct nlmsghdr* hdr) { - CheckLinkMsg(hdr, *loopback_link); + CheckLinkMsg(hdr, loopback_link); found = true; }, false)); @@ -523,9 +470,7 @@ TEST(NetlinkRouteTest, LookupAll) { TEST(NetlinkRouteTest, AddAddr) { SKIP_IF(!ASSERT_NO_ERRNO_AND_VALUE(HaveCapability(CAP_NET_ADMIN))); - absl::optional<Link> loopback_link = - ASSERT_NO_ERRNO_AND_VALUE(FindLoopbackLink()); - ASSERT_TRUE(loopback_link.has_value()); + Link loopback_link = ASSERT_NO_ERRNO_AND_VALUE(LoopbackLink()); FileDescriptor fd = ASSERT_NO_ERRNO_AND_VALUE(NetlinkBoundSocket(NETLINK_ROUTE)); @@ -545,7 +490,7 @@ TEST(NetlinkRouteTest, AddAddr) { req.ifa.ifa_prefixlen = 24; req.ifa.ifa_flags = 0; req.ifa.ifa_scope = 0; - req.ifa.ifa_index = loopback_link->index; + req.ifa.ifa_index = loopback_link.index; req.rtattr.rta_type = IFA_LOCAL; req.rtattr.rta_len = RTA_LENGTH(sizeof(req.addr)); inet_pton(AF_INET, "10.0.0.1", &req.addr); diff --git a/test/syscalls/linux/socket_netlink_route_util.cc b/test/syscalls/linux/socket_netlink_route_util.cc index 53eb3b6b2..bde1dbb4d 100644 --- a/test/syscalls/linux/socket_netlink_route_util.cc +++ b/test/syscalls/linux/socket_netlink_route_util.cc @@ -18,7 +18,6 @@ #include <linux/netlink.h> #include <linux/rtnetlink.h> -#include "absl/types/optional.h" #include "test/syscalls/linux/socket_netlink_util.h" namespace gvisor { @@ -73,14 +72,14 @@ PosixErrorOr<std::vector<Link>> DumpLinks() { return links; } -PosixErrorOr<absl::optional<Link>> FindLoopbackLink() { +PosixErrorOr<Link> LoopbackLink() { ASSIGN_OR_RETURN_ERRNO(auto links, DumpLinks()); for (const auto& link : links) { if (link.type == ARPHRD_LOOPBACK) { - return absl::optional<Link>(link); + return link; } } - return absl::optional<Link>(); + return PosixError(ENOENT, "loopback link not found"); } PosixError LinkAddLocalAddr(int index, int family, int prefixlen, diff --git a/test/syscalls/linux/socket_netlink_route_util.h b/test/syscalls/linux/socket_netlink_route_util.h index 2c018e487..149c4a7f6 100644 --- a/test/syscalls/linux/socket_netlink_route_util.h +++ b/test/syscalls/linux/socket_netlink_route_util.h @@ -20,7 +20,6 @@ #include <vector> -#include "absl/types/optional.h" #include "test/syscalls/linux/socket_netlink_util.h" namespace gvisor { @@ -37,7 +36,8 @@ PosixError DumpLinks(const FileDescriptor& fd, uint32_t seq, PosixErrorOr<std::vector<Link>> DumpLinks(); -PosixErrorOr<absl::optional<Link>> FindLoopbackLink(); +// Returns the loopback link on the system. ENOENT if not found. +PosixErrorOr<Link> LoopbackLink(); // LinkAddLocalAddr sets IFA_LOCAL attribute on the interface. PosixError LinkAddLocalAddr(int index, int family, int prefixlen, diff --git a/test/syscalls/linux/tuntap.cc b/test/syscalls/linux/tuntap.cc index 53ad2dda3..6195b11e1 100644 --- a/test/syscalls/linux/tuntap.cc +++ b/test/syscalls/linux/tuntap.cc @@ -56,14 +56,14 @@ PosixErrorOr<std::set<std::string>> DumpLinkNames() { return names; } -PosixErrorOr<absl::optional<Link>> GetLinkByName(const std::string& name) { +PosixErrorOr<Link> GetLinkByName(const std::string& name) { ASSIGN_OR_RETURN_ERRNO(auto links, DumpLinks()); for (const auto& link : links) { if (link.name == name) { - return absl::optional<Link>(link); + return link; } } - return absl::optional<Link>(); + return PosixError(ENOENT, "interface not found"); } struct pihdr { @@ -242,7 +242,7 @@ TEST_F(TuntapTest, InvalidReadWrite) { TEST_F(TuntapTest, WriteToDownDevice) { SKIP_IF(!ASSERT_NO_ERRNO_AND_VALUE(HaveCapability(CAP_NET_ADMIN))); - // FIXME: gVisor always creates enabled/up'd interfaces. + // FIXME(b/110961832): gVisor always creates enabled/up'd interfaces. SKIP_IF(IsRunningOnGvisor()); FileDescriptor fd = ASSERT_NO_ERRNO_AND_VALUE(Open(kDevNetTun, O_RDWR)); @@ -268,23 +268,21 @@ PosixErrorOr<FileDescriptor> OpenAndAttachTap( return PosixError(errno); } - ASSIGN_OR_RETURN_ERRNO(absl::optional<Link> link, GetLinkByName(dev_name)); - if (!link.has_value()) { - return PosixError(ENOENT, "no link"); - } + ASSIGN_OR_RETURN_ERRNO(auto link, GetLinkByName(dev_name)); // Interface setup. struct in_addr addr; inet_pton(AF_INET, dev_ipv4_addr.c_str(), &addr); - EXPECT_NO_ERRNO(LinkAddLocalAddr(link->index, AF_INET, /*prefixlen=*/24, - &addr, sizeof(addr))); + EXPECT_NO_ERRNO(LinkAddLocalAddr(link.index, AF_INET, /*prefixlen=*/24, &addr, + sizeof(addr))); if (!IsRunningOnGvisor()) { - // FIXME: gVisor doesn't support setting MAC address on interfaces yet. - RETURN_IF_ERRNO(LinkSetMacAddr(link->index, kMacA, sizeof(kMacA))); + // FIXME(b/110961832): gVisor doesn't support setting MAC address on + // interfaces yet. + RETURN_IF_ERRNO(LinkSetMacAddr(link.index, kMacA, sizeof(kMacA))); - // FIXME: gVisor always creates enabled/up'd interfaces. - RETURN_IF_ERRNO(LinkChangeFlags(link->index, IFF_UP, IFF_UP)); + // FIXME(b/110961832): gVisor always creates enabled/up'd interfaces. + RETURN_IF_ERRNO(LinkChangeFlags(link.index, IFF_UP, IFF_UP)); } return fd; diff --git a/test/syscalls/linux/utimes.cc b/test/syscalls/linux/utimes.cc index 3a927a430..22e6d1a85 100644 --- a/test/syscalls/linux/utimes.cc +++ b/test/syscalls/linux/utimes.cc @@ -34,17 +34,10 @@ namespace testing { namespace { -// TODO(b/36516566): utimes(nullptr) does not pick the "now" time in the -// application's time domain, so when asserting that times are within a window, -// we expand the window to allow for differences between the time domains. -constexpr absl::Duration kClockSlack = absl::Milliseconds(100); - // TimeBoxed runs fn, setting before and after to (coarse realtime) times // guaranteed* to come before and after fn started and completed, respectively. // // fn may be called more than once if the clock is adjusted. -// -// * See the comment on kClockSlack. gVisor breaks this guarantee. void TimeBoxed(absl::Time* before, absl::Time* after, std::function<void()> const& fn) { do { @@ -69,12 +62,6 @@ void TimeBoxed(absl::Time* before, absl::Time* after, // which could lead to test failures, but that is very unlikely to happen. continue; } - - if (IsRunningOnGvisor()) { - // See comment on kClockSlack. - *before -= kClockSlack; - *after += kClockSlack; - } } while (*after < *before); } @@ -235,10 +222,7 @@ void TestUtimensat(int dirFd, std::string const& path) { EXPECT_GE(mtime3, before); EXPECT_LE(mtime3, after); - if (!IsRunningOnGvisor()) { - // FIXME(b/36516566): Gofers set atime and mtime to different "now" times. - EXPECT_EQ(atime3, mtime3); - } + EXPECT_EQ(atime3, mtime3); } TEST(UtimensatTest, OnAbsPath) { diff --git a/test/syscalls/linux/write.cc b/test/syscalls/linux/write.cc index 9b219cfd6..39b5b2f56 100644 --- a/test/syscalls/linux/write.cc +++ b/test/syscalls/linux/write.cc @@ -31,14 +31,8 @@ namespace gvisor { namespace testing { namespace { -// This test is currently very rudimentary. -// -// TODO(edahlgren): -// * bad buffer states (EFAULT). -// * bad fds (wrong permission, wrong type of file, EBADF). -// * check offset is incremented. -// * check for EOF. -// * writing to pipes, symlinks, special files. + +// TODO(gvisor.dev/issue/2370): This test is currently very rudimentary. class WriteTest : public ::testing::Test { public: ssize_t WriteBytes(int fd, int bytes) { |