diff options
Diffstat (limited to 'test/syscalls/linux')
-rw-r--r-- | test/syscalls/linux/BUILD | 1 | ||||
-rw-r--r-- | test/syscalls/linux/proc.cc | 64 | ||||
-rw-r--r-- | test/syscalls/linux/signalfd.cc | 118 | ||||
-rw-r--r-- | test/syscalls/linux/socket_inet_loopback.cc | 158 | ||||
-rw-r--r-- | test/syscalls/linux/socket_ip_udp_generic.cc | 40 | ||||
-rw-r--r-- | test/syscalls/linux/tcp_socket.cc | 14 | ||||
-rw-r--r-- | test/syscalls/linux/udp_socket_test_cases.cc | 8 | ||||
-rw-r--r-- | test/syscalls/linux/xattr.cc | 191 |
8 files changed, 412 insertions, 182 deletions
diff --git a/test/syscalls/linux/BUILD b/test/syscalls/linux/BUILD index ce8abe217..4c7ec3f06 100644 --- a/test/syscalls/linux/BUILD +++ b/test/syscalls/linux/BUILD @@ -2693,6 +2693,7 @@ cc_binary( srcs = ["socket_inet_loopback.cc"], linkstatic = 1, deps = [ + ":ip_socket_test_util", ":socket_test_util", "//test/util:file_descriptor", "//test/util:posix_error", diff --git a/test/syscalls/linux/proc.cc b/test/syscalls/linux/proc.cc index 8cf08991b..bf9bb45d3 100644 --- a/test/syscalls/linux/proc.cc +++ b/test/syscalls/linux/proc.cc @@ -102,7 +102,49 @@ namespace { // O_LARGEFILE as defined by Linux. glibc tries to be clever by setting it to 0 // because "it isn't needed", even though Linux can return it via F_GETFL. +#if defined(__x86_64__) || defined(__i386__) constexpr int kOLargeFile = 00100000; +#elif __aarch64__ +// The value originate from the Linux +// kernel's arch/arm64/include/uapi/asm/fcntl.h. +constexpr int kOLargeFile = 00400000; +#else +#error "Unknown architecture" +#endif + +#if defined(__x86_64__) || defined(__i386__) +// This list of "required" fields is taken from reading the file +// arch/x86/kernel/cpu/proc.c and seeing which fields will be unconditionally +// printed by the kernel. +static const char* required_fields[] = { + "processor", + "vendor_id", + "cpu family", + "model\t\t:", + "model name", + "stepping", + "cpu MHz", + "fpu\t\t:", + "fpu_exception", + "cpuid level", + "wp", + "bogomips", + "clflush size", + "cache_alignment", + "address sizes", + "power management", +}; +#elif __aarch64__ +// This list of "required" fields is taken from reading the file +// arch/arm64/kernel/cpuinfo.c and seeing which fields will be unconditionally +// printed by the kernel. +static const char* required_fields[] = { + "processor", "BogoMIPS", "Features", "CPU implementer", + "CPU architecture", "CPU variant", "CPU part", "CPU revision", +}; +#else +#error "Unknown architecture" +#endif // Takes the subprocess command line and pid. // If it returns !OK, WithSubprocess returns immediately. @@ -717,28 +759,6 @@ TEST(ProcCpuinfo, RequiredFieldsArePresent) { ASSERT_FALSE(proc_cpuinfo.empty()); std::vector<std::string> cpuinfo_fields = absl::StrSplit(proc_cpuinfo, '\n'); - // This list of "required" fields is taken from reading the file - // arch/x86/kernel/cpu/proc.c and seeing which fields will be unconditionally - // printed by the kernel. - static const char* required_fields[] = { - "processor", - "vendor_id", - "cpu family", - "model\t\t:", - "model name", - "stepping", - "cpu MHz", - "fpu\t\t:", - "fpu_exception", - "cpuid level", - "wp", - "bogomips", - "clflush size", - "cache_alignment", - "address sizes", - "power management", - }; - // Check that the usual fields are there. We don't really care about the // contents. for (const std::string& field : required_fields) { diff --git a/test/syscalls/linux/signalfd.cc b/test/syscalls/linux/signalfd.cc index 09ecad34a..95be4b66c 100644 --- a/test/syscalls/linux/signalfd.cc +++ b/test/syscalls/linux/signalfd.cc @@ -39,6 +39,7 @@ namespace testing { namespace { constexpr int kSigno = SIGUSR1; +constexpr int kSignoMax = 64; // SIGRTMAX constexpr int kSignoAlt = SIGUSR2; // Returns a new signalfd. @@ -51,41 +52,45 @@ inline PosixErrorOr<FileDescriptor> NewSignalFD(sigset_t* mask, int flags = 0) { return FileDescriptor(fd); } -TEST(Signalfd, Basic) { +class SignalfdTest : public ::testing::TestWithParam<int> {}; + +TEST_P(SignalfdTest, Basic) { + int signo = GetParam(); // Create the signalfd. sigset_t mask; sigemptyset(&mask); - sigaddset(&mask, kSigno); + sigaddset(&mask, signo); FileDescriptor fd = ASSERT_NO_ERRNO_AND_VALUE(NewSignalFD(&mask, 0)); // Deliver the blocked signal. const auto scoped_sigmask = - ASSERT_NO_ERRNO_AND_VALUE(ScopedSignalMask(SIG_BLOCK, kSigno)); - ASSERT_THAT(tgkill(getpid(), gettid(), kSigno), SyscallSucceeds()); + ASSERT_NO_ERRNO_AND_VALUE(ScopedSignalMask(SIG_BLOCK, signo)); + ASSERT_THAT(tgkill(getpid(), gettid(), signo), SyscallSucceeds()); // We should now read the signal. struct signalfd_siginfo rbuf; ASSERT_THAT(read(fd.get(), &rbuf, sizeof(rbuf)), SyscallSucceedsWithValue(sizeof(rbuf))); - EXPECT_EQ(rbuf.ssi_signo, kSigno); + EXPECT_EQ(rbuf.ssi_signo, signo); } -TEST(Signalfd, MaskWorks) { +TEST_P(SignalfdTest, MaskWorks) { + int signo = GetParam(); // Create two signalfds with different masks. sigset_t mask1, mask2; sigemptyset(&mask1); sigemptyset(&mask2); - sigaddset(&mask1, kSigno); + sigaddset(&mask1, signo); sigaddset(&mask2, kSignoAlt); FileDescriptor fd1 = ASSERT_NO_ERRNO_AND_VALUE(NewSignalFD(&mask1, 0)); FileDescriptor fd2 = ASSERT_NO_ERRNO_AND_VALUE(NewSignalFD(&mask2, 0)); // Deliver the two signals. const auto scoped_sigmask1 = - ASSERT_NO_ERRNO_AND_VALUE(ScopedSignalMask(SIG_BLOCK, kSigno)); + ASSERT_NO_ERRNO_AND_VALUE(ScopedSignalMask(SIG_BLOCK, signo)); const auto scoped_sigmask2 = ASSERT_NO_ERRNO_AND_VALUE(ScopedSignalMask(SIG_BLOCK, kSignoAlt)); - ASSERT_THAT(tgkill(getpid(), gettid(), kSigno), SyscallSucceeds()); + ASSERT_THAT(tgkill(getpid(), gettid(), signo), SyscallSucceeds()); ASSERT_THAT(tgkill(getpid(), gettid(), kSignoAlt), SyscallSucceeds()); // We should see the signals on the appropriate signalfds. @@ -98,7 +103,7 @@ TEST(Signalfd, MaskWorks) { EXPECT_EQ(rbuf2.ssi_signo, kSignoAlt); ASSERT_THAT(read(fd1.get(), &rbuf1, sizeof(rbuf1)), SyscallSucceedsWithValue(sizeof(rbuf1))); - EXPECT_EQ(rbuf1.ssi_signo, kSigno); + EXPECT_EQ(rbuf1.ssi_signo, signo); } TEST(Signalfd, Cloexec) { @@ -111,11 +116,12 @@ TEST(Signalfd, Cloexec) { EXPECT_THAT(fcntl(fd.get(), F_GETFD), SyscallSucceedsWithValue(FD_CLOEXEC)); } -TEST(Signalfd, Blocking) { +TEST_P(SignalfdTest, Blocking) { + int signo = GetParam(); // Create the signalfd in blocking mode. sigset_t mask; sigemptyset(&mask); - sigaddset(&mask, kSigno); + sigaddset(&mask, signo); FileDescriptor fd = ASSERT_NO_ERRNO_AND_VALUE(NewSignalFD(&mask, 0)); // Shared tid variable. @@ -136,7 +142,7 @@ TEST(Signalfd, Blocking) { struct signalfd_siginfo rbuf; ASSERT_THAT(read(fd.get(), &rbuf, sizeof(rbuf)), SyscallSucceedsWithValue(sizeof(rbuf))); - EXPECT_EQ(rbuf.ssi_signo, kSigno); + EXPECT_EQ(rbuf.ssi_signo, signo); }); // Wait until blocked. @@ -149,20 +155,21 @@ TEST(Signalfd, Blocking) { // // See gvisor.dev/issue/139. if (IsRunningOnGvisor()) { - ASSERT_THAT(tgkill(getpid(), gettid(), kSigno), SyscallSucceeds()); + ASSERT_THAT(tgkill(getpid(), gettid(), signo), SyscallSucceeds()); } else { - ASSERT_THAT(tgkill(getpid(), tid, kSigno), SyscallSucceeds()); + ASSERT_THAT(tgkill(getpid(), tid, signo), SyscallSucceeds()); } // Ensure that it was received. t.Join(); } -TEST(Signalfd, ThreadGroup) { +TEST_P(SignalfdTest, ThreadGroup) { + int signo = GetParam(); // Create the signalfd in blocking mode. sigset_t mask; sigemptyset(&mask); - sigaddset(&mask, kSigno); + sigaddset(&mask, signo); FileDescriptor fd = ASSERT_NO_ERRNO_AND_VALUE(NewSignalFD(&mask, 0)); // Shared variable. @@ -176,7 +183,7 @@ TEST(Signalfd, ThreadGroup) { struct signalfd_siginfo rbuf; ASSERT_THAT(read(fd.get(), &rbuf, sizeof(rbuf)), SyscallSucceedsWithValue(sizeof(rbuf))); - EXPECT_EQ(rbuf.ssi_signo, kSigno); + EXPECT_EQ(rbuf.ssi_signo, signo); // Wait for the other thread. absl::MutexLock ml(&mu); @@ -185,7 +192,7 @@ TEST(Signalfd, ThreadGroup) { }); // Deliver the signal to the threadgroup. - ASSERT_THAT(kill(getpid(), kSigno), SyscallSucceeds()); + ASSERT_THAT(kill(getpid(), signo), SyscallSucceeds()); // Wait for the first thread to process. { @@ -194,13 +201,13 @@ TEST(Signalfd, ThreadGroup) { } // Deliver to the thread group again (other thread still exists). - ASSERT_THAT(kill(getpid(), kSigno), SyscallSucceeds()); + ASSERT_THAT(kill(getpid(), signo), SyscallSucceeds()); // Ensure that we can also receive it. struct signalfd_siginfo rbuf; ASSERT_THAT(read(fd.get(), &rbuf, sizeof(rbuf)), SyscallSucceedsWithValue(sizeof(rbuf))); - EXPECT_EQ(rbuf.ssi_signo, kSigno); + EXPECT_EQ(rbuf.ssi_signo, signo); // Mark the test as done. { @@ -212,11 +219,12 @@ TEST(Signalfd, ThreadGroup) { t.Join(); } -TEST(Signalfd, Nonblock) { +TEST_P(SignalfdTest, Nonblock) { + int signo = GetParam(); // Create the signalfd in non-blocking mode. sigset_t mask; sigemptyset(&mask); - sigaddset(&mask, kSigno); + sigaddset(&mask, signo); FileDescriptor fd = ASSERT_NO_ERRNO_AND_VALUE(NewSignalFD(&mask, SFD_NONBLOCK)); @@ -227,20 +235,21 @@ TEST(Signalfd, Nonblock) { // Block and deliver the signal. const auto scoped_sigmask = - ASSERT_NO_ERRNO_AND_VALUE(ScopedSignalMask(SIG_BLOCK, kSigno)); - ASSERT_THAT(tgkill(getpid(), gettid(), kSigno), SyscallSucceeds()); + ASSERT_NO_ERRNO_AND_VALUE(ScopedSignalMask(SIG_BLOCK, signo)); + ASSERT_THAT(tgkill(getpid(), gettid(), signo), SyscallSucceeds()); // Ensure that a read actually works. ASSERT_THAT(read(fd.get(), &rbuf, sizeof(rbuf)), SyscallSucceedsWithValue(sizeof(rbuf))); - EXPECT_EQ(rbuf.ssi_signo, kSigno); + EXPECT_EQ(rbuf.ssi_signo, signo); // Should block again. EXPECT_THAT(read(fd.get(), &rbuf, sizeof(rbuf)), SyscallFailsWithErrno(EWOULDBLOCK)); } -TEST(Signalfd, SetMask) { +TEST_P(SignalfdTest, SetMask) { + int signo = GetParam(); // Create the signalfd matching nothing. sigset_t mask; sigemptyset(&mask); @@ -249,8 +258,8 @@ TEST(Signalfd, SetMask) { // Block and deliver a signal. const auto scoped_sigmask = - ASSERT_NO_ERRNO_AND_VALUE(ScopedSignalMask(SIG_BLOCK, kSigno)); - ASSERT_THAT(tgkill(getpid(), gettid(), kSigno), SyscallSucceeds()); + ASSERT_NO_ERRNO_AND_VALUE(ScopedSignalMask(SIG_BLOCK, signo)); + ASSERT_THAT(tgkill(getpid(), gettid(), signo), SyscallSucceeds()); // We should have nothing. struct signalfd_siginfo rbuf; @@ -258,29 +267,30 @@ TEST(Signalfd, SetMask) { SyscallFailsWithErrno(EWOULDBLOCK)); // Change the signal mask. - sigaddset(&mask, kSigno); + sigaddset(&mask, signo); ASSERT_THAT(signalfd(fd.get(), &mask, 0), SyscallSucceeds()); // We should now have the signal. ASSERT_THAT(read(fd.get(), &rbuf, sizeof(rbuf)), SyscallSucceedsWithValue(sizeof(rbuf))); - EXPECT_EQ(rbuf.ssi_signo, kSigno); + EXPECT_EQ(rbuf.ssi_signo, signo); } -TEST(Signalfd, Poll) { +TEST_P(SignalfdTest, Poll) { + int signo = GetParam(); // Create the signalfd. sigset_t mask; sigemptyset(&mask); - sigaddset(&mask, kSigno); + sigaddset(&mask, signo); FileDescriptor fd = ASSERT_NO_ERRNO_AND_VALUE(NewSignalFD(&mask, 0)); // Block the signal, and start a thread to deliver it. const auto scoped_sigmask = - ASSERT_NO_ERRNO_AND_VALUE(ScopedSignalMask(SIG_BLOCK, kSigno)); + ASSERT_NO_ERRNO_AND_VALUE(ScopedSignalMask(SIG_BLOCK, signo)); pid_t orig_tid = gettid(); ScopedThread t([&] { absl::SleepFor(absl::Seconds(5)); - ASSERT_THAT(tgkill(getpid(), orig_tid, kSigno), SyscallSucceeds()); + ASSERT_THAT(tgkill(getpid(), orig_tid, signo), SyscallSucceeds()); }); // Start polling for the signal. We expect that it is not available at the @@ -297,19 +307,18 @@ TEST(Signalfd, Poll) { SyscallSucceedsWithValue(sizeof(rbuf))); } -TEST(Signalfd, KillStillKills) { - sigset_t mask; - sigemptyset(&mask); - sigaddset(&mask, SIGKILL); - FileDescriptor fd = - ASSERT_NO_ERRNO_AND_VALUE(NewSignalFD(&mask, SFD_CLOEXEC)); - - // Just because there is a signalfd, we shouldn't see any change in behavior - // for unblockable signals. It's easier to test this with SIGKILL. - const auto scoped_sigmask = - ASSERT_NO_ERRNO_AND_VALUE(ScopedSignalMask(SIG_BLOCK, SIGKILL)); - EXPECT_EXIT(tgkill(getpid(), gettid(), SIGKILL), KilledBySignal(SIGKILL), ""); +std::string PrintSigno(::testing::TestParamInfo<int> info) { + switch (info.param) { + case kSigno: + return "kSigno"; + case kSignoMax: + return "kSignoMax"; + default: + return absl::StrCat(info.param); + } } +INSTANTIATE_TEST_SUITE_P(Signalfd, SignalfdTest, + ::testing::Values(kSigno, kSignoMax), PrintSigno); TEST(Signalfd, Ppoll) { sigset_t mask; @@ -328,6 +337,20 @@ TEST(Signalfd, Ppoll) { SyscallSucceedsWithValue(0)); } +TEST(Signalfd, KillStillKills) { + sigset_t mask; + sigemptyset(&mask); + sigaddset(&mask, SIGKILL); + FileDescriptor fd = + ASSERT_NO_ERRNO_AND_VALUE(NewSignalFD(&mask, SFD_CLOEXEC)); + + // Just because there is a signalfd, we shouldn't see any change in behavior + // for unblockable signals. It's easier to test this with SIGKILL. + const auto scoped_sigmask = + ASSERT_NO_ERRNO_AND_VALUE(ScopedSignalMask(SIG_BLOCK, SIGKILL)); + EXPECT_EXIT(tgkill(getpid(), gettid(), SIGKILL), KilledBySignal(SIGKILL), ""); +} + } // namespace } // namespace testing @@ -340,6 +363,7 @@ int main(int argc, char** argv) { sigset_t set; sigemptyset(&set); sigaddset(&set, gvisor::testing::kSigno); + sigaddset(&set, gvisor::testing::kSignoMax); sigaddset(&set, gvisor::testing::kSignoAlt); TEST_PCHECK(sigprocmask(SIG_BLOCK, &set, nullptr) == 0); diff --git a/test/syscalls/linux/socket_inet_loopback.cc b/test/syscalls/linux/socket_inet_loopback.cc index 138024d9e..2f9821555 100644 --- a/test/syscalls/linux/socket_inet_loopback.cc +++ b/test/syscalls/linux/socket_inet_loopback.cc @@ -32,6 +32,7 @@ #include "absl/strings/str_cat.h" #include "absl/time/clock.h" #include "absl/time/time.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/posix_error.h" @@ -102,6 +103,161 @@ TEST(BadSocketPairArgs, ValidateErrForBadCallsToSocketPair) { SyscallFailsWithErrno(EAFNOSUPPORT)); } +enum class Operation { + Bind, + Connect, + SendTo, +}; + +std::string OperationToString(Operation operation) { + switch (operation) { + case Operation::Bind: + return "Bind"; + case Operation::Connect: + return "Connect"; + case Operation::SendTo: + return "SendTo"; + } +} + +using OperationSequence = std::vector<Operation>; + +using DualStackSocketTest = + ::testing::TestWithParam<std::tuple<TestAddress, OperationSequence>>; + +TEST_P(DualStackSocketTest, AddressOperations) { + const FileDescriptor fd = + ASSERT_NO_ERRNO_AND_VALUE(Socket(AF_INET6, SOCK_DGRAM, 0)); + + const TestAddress& addr = std::get<0>(GetParam()); + const OperationSequence& operations = std::get<1>(GetParam()); + + auto addr_in = reinterpret_cast<const sockaddr*>(&addr.addr); + + // sockets may only be bound once. Both `connect` and `sendto` cause a socket + // to be bound. + bool bound = false; + for (const Operation& operation : operations) { + bool sockname = false; + bool peername = false; + switch (operation) { + case Operation::Bind: { + ASSERT_NO_ERRNO(SetAddrPort( + addr.family(), const_cast<sockaddr_storage*>(&addr.addr), 0)); + + int bind_ret = bind(fd.get(), addr_in, addr.addr_len); + + // Dual stack sockets may only be bound to AF_INET6. + if (!bound && addr.family() == AF_INET6) { + EXPECT_THAT(bind_ret, SyscallSucceeds()); + bound = true; + + sockname = true; + } else { + EXPECT_THAT(bind_ret, SyscallFailsWithErrno(EINVAL)); + } + break; + } + case Operation::Connect: { + ASSERT_NO_ERRNO(SetAddrPort( + addr.family(), const_cast<sockaddr_storage*>(&addr.addr), 1337)); + + EXPECT_THAT(connect(fd.get(), addr_in, addr.addr_len), + SyscallSucceeds()) + << GetAddrStr(addr_in); + bound = true; + + sockname = true; + peername = true; + + break; + } + case Operation::SendTo: { + const char payload[] = "hello"; + ASSERT_NO_ERRNO(SetAddrPort( + addr.family(), const_cast<sockaddr_storage*>(&addr.addr), 1337)); + + ssize_t sendto_ret = sendto(fd.get(), &payload, sizeof(payload), 0, + addr_in, addr.addr_len); + + EXPECT_THAT(sendto_ret, SyscallSucceedsWithValue(sizeof(payload))); + sockname = !bound; + bound = true; + break; + } + } + + if (sockname) { + sockaddr_storage sock_addr; + socklen_t addrlen = sizeof(sock_addr); + ASSERT_THAT(getsockname(fd.get(), reinterpret_cast<sockaddr*>(&sock_addr), + &addrlen), + SyscallSucceeds()); + ASSERT_EQ(addrlen, sizeof(struct sockaddr_in6)); + + auto sock_addr_in6 = reinterpret_cast<const sockaddr_in6*>(&sock_addr); + + if (operation == Operation::SendTo) { + EXPECT_EQ(sock_addr_in6->sin6_family, AF_INET6); + EXPECT_TRUE(IN6_IS_ADDR_UNSPECIFIED(sock_addr_in6->sin6_addr.s6_addr32)) + << OperationToString(operation) << " getsocknam=" + << GetAddrStr(reinterpret_cast<sockaddr*>(&sock_addr)); + + EXPECT_NE(sock_addr_in6->sin6_port, 0); + } else if (IN6_IS_ADDR_V4MAPPED( + reinterpret_cast<const sockaddr_in6*>(addr_in) + ->sin6_addr.s6_addr32)) { + EXPECT_TRUE(IN6_IS_ADDR_V4MAPPED(sock_addr_in6->sin6_addr.s6_addr32)) + << OperationToString(operation) << " getsocknam=" + << GetAddrStr(reinterpret_cast<sockaddr*>(&sock_addr)); + } + } + + if (peername) { + sockaddr_storage peer_addr; + socklen_t addrlen = sizeof(peer_addr); + ASSERT_THAT(getpeername(fd.get(), reinterpret_cast<sockaddr*>(&peer_addr), + &addrlen), + SyscallSucceeds()); + ASSERT_EQ(addrlen, sizeof(struct sockaddr_in6)); + + if (addr.family() == AF_INET || + IN6_IS_ADDR_V4MAPPED(reinterpret_cast<const sockaddr_in6*>(addr_in) + ->sin6_addr.s6_addr32)) { + EXPECT_TRUE(IN6_IS_ADDR_V4MAPPED( + reinterpret_cast<const sockaddr_in6*>(&peer_addr) + ->sin6_addr.s6_addr32)) + << OperationToString(operation) << " getpeername=" + << GetAddrStr(reinterpret_cast<sockaddr*>(&peer_addr)); + } + } + } +} + +// TODO(gvisor.dev/issues/1556): uncomment V4MappedAny. +INSTANTIATE_TEST_SUITE_P( + All, DualStackSocketTest, + ::testing::Combine( + ::testing::Values(V4Any(), V4Loopback(), /*V4MappedAny(),*/ + V4MappedLoopback(), V6Any(), V6Loopback()), + ::testing::ValuesIn<OperationSequence>( + {{Operation::Bind, Operation::Connect, Operation::SendTo}, + {Operation::Bind, Operation::SendTo, Operation::Connect}, + {Operation::Connect, Operation::Bind, Operation::SendTo}, + {Operation::Connect, Operation::SendTo, Operation::Bind}, + {Operation::SendTo, Operation::Bind, Operation::Connect}, + {Operation::SendTo, Operation::Connect, Operation::Bind}})), + [](::testing::TestParamInfo< + std::tuple<TestAddress, OperationSequence>> const& info) { + const TestAddress& addr = std::get<0>(info.param); + const OperationSequence& operations = std::get<1>(info.param); + std::string s = addr.description; + for (const Operation& operation : operations) { + absl::StrAppend(&s, OperationToString(operation)); + } + return s; + }); + void tcpSimpleConnectTest(TestAddress const& listener, TestAddress const& connector, bool unbound) { // Create the listening socket. @@ -377,7 +533,7 @@ TEST_P(SocketInetLoopbackTest, TCPFinWait2Test_NoRandomSave) { // Sleep for a little over the linger timeout to reduce flakiness in // save/restore tests. - absl::SleepFor(absl::Seconds(kTCPLingerTimeout + 1)); + absl::SleepFor(absl::Seconds(kTCPLingerTimeout + 2)); ds.reset(); diff --git a/test/syscalls/linux/socket_ip_udp_generic.cc b/test/syscalls/linux/socket_ip_udp_generic.cc index 66eb68857..53290bed7 100644 --- a/test/syscalls/linux/socket_ip_udp_generic.cc +++ b/test/syscalls/linux/socket_ip_udp_generic.cc @@ -209,6 +209,46 @@ TEST_P(UDPSocketPairTest, SetMulticastLoopChar) { EXPECT_EQ(get, kSockOptOn); } +// Ensure that Receiving TOS is off by default. +TEST_P(UDPSocketPairTest, RecvTosDefault) { + auto sockets = ASSERT_NO_ERRNO_AND_VALUE(NewSocketPair()); + + int get = -1; + socklen_t get_len = sizeof(get); + ASSERT_THAT( + getsockopt(sockets->first_fd(), IPPROTO_IP, IP_RECVTOS, &get, &get_len), + SyscallSucceedsWithValue(0)); + EXPECT_EQ(get_len, sizeof(get)); + EXPECT_EQ(get, kSockOptOff); +} + +// Test that setting and getting IP_RECVTOS works as expected. +TEST_P(UDPSocketPairTest, SetRecvTos) { + auto sockets = ASSERT_NO_ERRNO_AND_VALUE(NewSocketPair()); + + ASSERT_THAT(setsockopt(sockets->first_fd(), IPPROTO_IP, IP_RECVTOS, + &kSockOptOff, sizeof(kSockOptOff)), + SyscallSucceeds()); + + int get = -1; + socklen_t get_len = sizeof(get); + ASSERT_THAT( + getsockopt(sockets->first_fd(), IPPROTO_IP, IP_RECVTOS, &get, &get_len), + SyscallSucceedsWithValue(0)); + EXPECT_EQ(get_len, sizeof(get)); + EXPECT_EQ(get, kSockOptOff); + + ASSERT_THAT(setsockopt(sockets->first_fd(), IPPROTO_IP, IP_RECVTOS, + &kSockOptOn, sizeof(kSockOptOn)), + SyscallSucceeds()); + + ASSERT_THAT( + getsockopt(sockets->first_fd(), IPPROTO_IP, IP_RECVTOS, &get, &get_len), + SyscallSucceedsWithValue(0)); + EXPECT_EQ(get_len, sizeof(get)); + EXPECT_EQ(get, kSockOptOn); +} + TEST_P(UDPSocketPairTest, ReuseAddrDefault) { auto sockets = ASSERT_NO_ERRNO_AND_VALUE(NewSocketPair()); diff --git a/test/syscalls/linux/tcp_socket.cc b/test/syscalls/linux/tcp_socket.cc index 6b99c021d..33a5ac66c 100644 --- a/test/syscalls/linux/tcp_socket.cc +++ b/test/syscalls/linux/tcp_socket.cc @@ -814,6 +814,20 @@ TEST_P(TcpSocketTest, FullBuffer) { t_ = -1; } +TEST_P(TcpSocketTest, PollAfterShutdown) { + ScopedThread client_thread([this]() { + EXPECT_THAT(shutdown(s_, SHUT_WR), SyscallSucceedsWithValue(0)); + struct pollfd poll_fd = {s_, POLLIN | POLLERR | POLLHUP, 0}; + EXPECT_THAT(RetryEINTR(poll)(&poll_fd, 1, 10000), + SyscallSucceedsWithValue(1)); + }); + + EXPECT_THAT(shutdown(t_, SHUT_WR), SyscallSucceedsWithValue(0)); + struct pollfd poll_fd = {t_, POLLIN | POLLERR | POLLHUP, 0}; + EXPECT_THAT(RetryEINTR(poll)(&poll_fd, 1, 10000), + SyscallSucceedsWithValue(1)); +} + TEST_P(SimpleTcpSocketTest, NonBlockingConnectNoListener) { // Initialize address to the loopback one. sockaddr_storage addr = diff --git a/test/syscalls/linux/udp_socket_test_cases.cc b/test/syscalls/linux/udp_socket_test_cases.cc index dc35c2f50..68e0a8109 100644 --- a/test/syscalls/linux/udp_socket_test_cases.cc +++ b/test/syscalls/linux/udp_socket_test_cases.cc @@ -1349,8 +1349,9 @@ TEST_P(UdpSocketTest, TimestampIoctlPersistence) { // outgoing packets, and that a receiving socket with IP_RECVTOS or // IPV6_RECVTCLASS will create the corresponding control message. TEST_P(UdpSocketTest, SetAndReceiveTOS) { - // TODO(b/68320120): IP_RECVTOS/IPV6_RECVTCLASS not supported for netstack. - SKIP_IF(IsRunningOnGvisor() && !IsRunningWithHostinet()); + // TODO(b/68320120): IPV6_RECVTCLASS not supported for netstack. + SKIP_IF((GetParam() != AddressFamily::kIpv4) && IsRunningOnGvisor() && + !IsRunningWithHostinet()); ASSERT_THAT(bind(s_, addr_[0], addrlen_), SyscallSucceeds()); ASSERT_THAT(connect(t_, addr_[0], addrlen_), SyscallSucceeds()); @@ -1421,7 +1422,8 @@ TEST_P(UdpSocketTest, SetAndReceiveTOS) { // TOS byte on outgoing packets, and that a receiving socket with IP_RECVTOS or // IPV6_RECVTCLASS will create the corresponding control message. TEST_P(UdpSocketTest, SendAndReceiveTOS) { - // TODO(b/68320120): IP_RECVTOS/IPV6_RECVTCLASS not supported for netstack. + // TODO(b/68320120): IPV6_RECVTCLASS not supported for netstack. + // TODO(b/146661005): Setting TOS via cmsg not supported for netstack. SKIP_IF(IsRunningOnGvisor() && !IsRunningWithHostinet()); ASSERT_THAT(bind(s_, addr_[0], addrlen_), SyscallSucceeds()); ASSERT_THAT(connect(t_, addr_[0], addrlen_), SyscallSucceeds()); diff --git a/test/syscalls/linux/xattr.cc b/test/syscalls/linux/xattr.cc index 75740238c..e77c355d7 100644 --- a/test/syscalls/linux/xattr.cc +++ b/test/syscalls/linux/xattr.cc @@ -26,6 +26,7 @@ #include "gtest/gtest.h" #include "test/syscalls/linux/file_base.h" #include "test/util/capability_util.h" +#include "test/util/file_descriptor.h" #include "test/util/posix_error.h" #include "test/util/temp_path.h" #include "test/util/test_util.h" @@ -59,7 +60,8 @@ TEST_F(XattrTest, XattrLargeName) { std::string name = "user."; name += std::string(XATTR_NAME_MAX - name.length(), 'a'); - // TODO(b/127675828): Support setxattr and getxattr. + // An xattr should be whitelisted before it can be accessed--do not allow + // arbitrary xattrs to be read/written in gVisor. if (!IsRunningOnGvisor()) { EXPECT_THAT(setxattr(path, name.c_str(), nullptr, 0, /*flags=*/0), SyscallSucceeds()); @@ -83,59 +85,53 @@ TEST_F(XattrTest, XattrInvalidPrefix) { SyscallFailsWithErrno(EOPNOTSUPP)); } -TEST_F(XattrTest, XattrReadOnly) { +// Do not allow save/restore cycles after making the test file read-only, as +// the restore will fail to open it with r/w permissions. +TEST_F(XattrTest, XattrReadOnly_NoRandomSave) { // Drop capabilities that allow us to override file and directory permissions. ASSERT_NO_ERRNO(SetCapability(CAP_DAC_OVERRIDE, false)); ASSERT_NO_ERRNO(SetCapability(CAP_DAC_READ_SEARCH, false)); const char* path = test_file_name_.c_str(); - char name[] = "user.abc"; + const char name[] = "user.test"; char val = 'a'; size_t size = sizeof(val); - // TODO(b/127675828): Support setxattr and getxattr. - if (!IsRunningOnGvisor()) { - EXPECT_THAT(setxattr(path, name, &val, size, /*flags=*/0), - SyscallSucceeds()); - } + EXPECT_THAT(setxattr(path, name, &val, size, /*flags=*/0), SyscallSucceeds()); + DisableSave ds; ASSERT_NO_ERRNO(testing::Chmod(test_file_name_, S_IRUSR)); EXPECT_THAT(setxattr(path, name, &val, size, /*flags=*/0), SyscallFailsWithErrno(EACCES)); - // TODO(b/127675828): Support setxattr and getxattr. - if (!IsRunningOnGvisor()) { - char buf = '-'; - EXPECT_THAT(getxattr(path, name, &buf, size), - SyscallSucceedsWithValue(size)); - EXPECT_EQ(buf, val); - } + char buf = '-'; + EXPECT_THAT(getxattr(path, name, &buf, size), SyscallSucceedsWithValue(size)); + EXPECT_EQ(buf, val); } -TEST_F(XattrTest, XattrWriteOnly) { +// Do not allow save/restore cycles after making the test file write-only, as +// the restore will fail to open it with r/w permissions. +TEST_F(XattrTest, XattrWriteOnly_NoRandomSave) { // Drop capabilities that allow us to override file and directory permissions. ASSERT_NO_ERRNO(SetCapability(CAP_DAC_OVERRIDE, false)); ASSERT_NO_ERRNO(SetCapability(CAP_DAC_READ_SEARCH, false)); + DisableSave ds; ASSERT_NO_ERRNO(testing::Chmod(test_file_name_, S_IWUSR)); const char* path = test_file_name_.c_str(); - char name[] = "user.abc"; + const char name[] = "user.test"; char val = 'a'; size_t size = sizeof(val); - // TODO(b/127675828): Support setxattr and getxattr. - if (!IsRunningOnGvisor()) { - EXPECT_THAT(setxattr(path, name, &val, size, /*flags=*/0), - SyscallSucceeds()); - } + EXPECT_THAT(setxattr(path, name, &val, size, /*flags=*/0), SyscallSucceeds()); EXPECT_THAT(getxattr(path, name, nullptr, 0), SyscallFailsWithErrno(EACCES)); } TEST_F(XattrTest, XattrTrustedWithNonadmin) { - // TODO(b/127675828): Support setxattr and getxattr. + // TODO(b/127675828): Support setxattr and getxattr with "trusted" prefix. SKIP_IF(IsRunningOnGvisor()); SKIP_IF(ASSERT_NO_ERRNO_AND_VALUE(HaveCapability(CAP_SYS_ADMIN))); @@ -147,11 +143,8 @@ TEST_F(XattrTest, XattrTrustedWithNonadmin) { } TEST_F(XattrTest, XattrOnDirectory) { - // TODO(b/127675828): Support setxattr and getxattr. - SKIP_IF(IsRunningOnGvisor()); - TempPath dir = ASSERT_NO_ERRNO_AND_VALUE(TempPath::CreateDir()); - char name[] = "user.abc"; + const char name[] = "user.test"; EXPECT_THAT(setxattr(dir.path().c_str(), name, NULL, 0, /*flags=*/0), SyscallSucceeds()); EXPECT_THAT(getxattr(dir.path().c_str(), name, NULL, 0), @@ -159,13 +152,10 @@ TEST_F(XattrTest, XattrOnDirectory) { } TEST_F(XattrTest, XattrOnSymlink) { - // TODO(b/127675828): Support setxattr and getxattr. - SKIP_IF(IsRunningOnGvisor()); - TempPath dir = ASSERT_NO_ERRNO_AND_VALUE(TempPath::CreateDir()); TempPath link = ASSERT_NO_ERRNO_AND_VALUE( TempPath::CreateSymlinkTo(dir.path(), test_file_name_)); - char name[] = "user.abc"; + const char name[] = "user.test"; EXPECT_THAT(setxattr(link.path().c_str(), name, NULL, 0, /*flags=*/0), SyscallSucceeds()); EXPECT_THAT(getxattr(link.path().c_str(), name, NULL, 0), @@ -173,7 +163,7 @@ TEST_F(XattrTest, XattrOnSymlink) { } TEST_F(XattrTest, XattrOnInvalidFileTypes) { - char name[] = "user.abc"; + const char name[] = "user.test"; char char_device[] = "/dev/zero"; EXPECT_THAT(setxattr(char_device, name, NULL, 0, /*flags=*/0), @@ -191,11 +181,8 @@ TEST_F(XattrTest, XattrOnInvalidFileTypes) { } TEST_F(XattrTest, SetxattrSizeSmallerThanValue) { - // TODO(b/127675828): Support setxattr and getxattr. - SKIP_IF(IsRunningOnGvisor()); - const char* path = test_file_name_.c_str(); - char name[] = "user.abc"; + const char name[] = "user.test"; std::vector<char> val = {'a', 'a'}; size_t size = 1; EXPECT_THAT(setxattr(path, name, val.data(), size, /*flags=*/0), @@ -209,11 +196,8 @@ TEST_F(XattrTest, SetxattrSizeSmallerThanValue) { } TEST_F(XattrTest, SetxattrZeroSize) { - // TODO(b/127675828): Support setxattr and getxattr. - SKIP_IF(IsRunningOnGvisor()); - const char* path = test_file_name_.c_str(); - char name[] = "user.abc"; + const char name[] = "user.test"; char val = 'a'; EXPECT_THAT(setxattr(path, name, &val, 0, /*flags=*/0), SyscallSucceeds()); @@ -225,7 +209,7 @@ TEST_F(XattrTest, SetxattrZeroSize) { TEST_F(XattrTest, SetxattrSizeTooLarge) { const char* path = test_file_name_.c_str(); - char name[] = "user.abc"; + const char name[] = "user.test"; // Note that each particular fs implementation may stipulate a lower size // limit, in which case we actually may fail (e.g. error with ENOSPC) for @@ -235,43 +219,29 @@ TEST_F(XattrTest, SetxattrSizeTooLarge) { EXPECT_THAT(setxattr(path, name, val.data(), size, /*flags=*/0), SyscallFailsWithErrno(E2BIG)); - // TODO(b/127675828): Support setxattr and getxattr. - if (!IsRunningOnGvisor()) { - EXPECT_THAT(getxattr(path, name, nullptr, 0), - SyscallFailsWithErrno(ENODATA)); - } + EXPECT_THAT(getxattr(path, name, nullptr, 0), SyscallFailsWithErrno(ENODATA)); } TEST_F(XattrTest, SetxattrNullValueAndNonzeroSize) { const char* path = test_file_name_.c_str(); - char name[] = "user.abc"; + const char name[] = "user.test"; EXPECT_THAT(setxattr(path, name, nullptr, 1, /*flags=*/0), SyscallFailsWithErrno(EFAULT)); - // TODO(b/127675828): Support setxattr and getxattr. - if (!IsRunningOnGvisor()) { - EXPECT_THAT(getxattr(path, name, nullptr, 0), - SyscallFailsWithErrno(ENODATA)); - } + EXPECT_THAT(getxattr(path, name, nullptr, 0), SyscallFailsWithErrno(ENODATA)); } TEST_F(XattrTest, SetxattrNullValueAndZeroSize) { - // TODO(b/127675828): Support setxattr and getxattr. - SKIP_IF(IsRunningOnGvisor()); - const char* path = test_file_name_.c_str(); - char name[] = "user.abc"; + const char name[] = "user.test"; EXPECT_THAT(setxattr(path, name, nullptr, 0, /*flags=*/0), SyscallSucceeds()); EXPECT_THAT(getxattr(path, name, nullptr, 0), SyscallSucceedsWithValue(0)); } TEST_F(XattrTest, SetxattrValueTooLargeButOKSize) { - // TODO(b/127675828): Support setxattr and getxattr. - SKIP_IF(IsRunningOnGvisor()); - const char* path = test_file_name_.c_str(); - char name[] = "user.abc"; + const char name[] = "user.test"; std::vector<char> val(XATTR_SIZE_MAX + 1); std::fill(val.begin(), val.end(), 'a'); size_t size = 1; @@ -286,11 +256,8 @@ TEST_F(XattrTest, SetxattrValueTooLargeButOKSize) { } TEST_F(XattrTest, SetxattrReplaceWithSmaller) { - // TODO(b/127675828): Support setxattr and getxattr. - SKIP_IF(IsRunningOnGvisor()); - const char* path = test_file_name_.c_str(); - char name[] = "user.abc"; + const char name[] = "user.test"; std::vector<char> val = {'a', 'a'}; EXPECT_THAT(setxattr(path, name, val.data(), 2, /*flags=*/0), SyscallSucceeds()); @@ -304,11 +271,8 @@ TEST_F(XattrTest, SetxattrReplaceWithSmaller) { } TEST_F(XattrTest, SetxattrReplaceWithLarger) { - // TODO(b/127675828): Support setxattr and getxattr. - SKIP_IF(IsRunningOnGvisor()); - const char* path = test_file_name_.c_str(); - char name[] = "user.abc"; + const char name[] = "user.test"; std::vector<char> val = {'a', 'a'}; EXPECT_THAT(setxattr(path, name, val.data(), 1, /*flags=*/0), SyscallSucceeds()); @@ -321,11 +285,8 @@ TEST_F(XattrTest, SetxattrReplaceWithLarger) { } TEST_F(XattrTest, SetxattrCreateFlag) { - // TODO(b/127675828): Support setxattr and getxattr. - SKIP_IF(IsRunningOnGvisor()); - const char* path = test_file_name_.c_str(); - char name[] = "user.abc"; + const char name[] = "user.test"; EXPECT_THAT(setxattr(path, name, nullptr, 0, XATTR_CREATE), SyscallSucceeds()); EXPECT_THAT(setxattr(path, name, nullptr, 0, XATTR_CREATE), @@ -335,11 +296,8 @@ TEST_F(XattrTest, SetxattrCreateFlag) { } TEST_F(XattrTest, SetxattrReplaceFlag) { - // TODO(b/127675828): Support setxattr and getxattr. - SKIP_IF(IsRunningOnGvisor()); - const char* path = test_file_name_.c_str(); - char name[] = "user.abc"; + const char name[] = "user.test"; EXPECT_THAT(setxattr(path, name, nullptr, 0, XATTR_REPLACE), SyscallFailsWithErrno(ENODATA)); EXPECT_THAT(setxattr(path, name, nullptr, 0, /*flags=*/0), SyscallSucceeds()); @@ -357,11 +315,8 @@ TEST_F(XattrTest, SetxattrInvalidFlags) { } TEST_F(XattrTest, Getxattr) { - // TODO(b/127675828): Support setxattr and getxattr. - SKIP_IF(IsRunningOnGvisor()); - const char* path = test_file_name_.c_str(); - char name[] = "user.abc"; + const char name[] = "user.test"; int val = 1234; size_t size = sizeof(val); EXPECT_THAT(setxattr(path, name, &val, size, /*flags=*/0), SyscallSucceeds()); @@ -372,11 +327,8 @@ TEST_F(XattrTest, Getxattr) { } TEST_F(XattrTest, GetxattrSizeSmallerThanValue) { - // TODO(b/127675828): Support setxattr and getxattr. - SKIP_IF(IsRunningOnGvisor()); - const char* path = test_file_name_.c_str(); - char name[] = "user.abc"; + const char name[] = "user.test"; std::vector<char> val = {'a', 'a'}; size_t size = val.size(); EXPECT_THAT(setxattr(path, name, &val, size, /*flags=*/0), SyscallSucceeds()); @@ -387,11 +339,8 @@ TEST_F(XattrTest, GetxattrSizeSmallerThanValue) { } TEST_F(XattrTest, GetxattrSizeLargerThanValue) { - // TODO(b/127675828): Support setxattr and getxattr. - SKIP_IF(IsRunningOnGvisor()); - const char* path = test_file_name_.c_str(); - char name[] = "user.abc"; + const char name[] = "user.test"; char val = 'a'; EXPECT_THAT(setxattr(path, name, &val, 1, /*flags=*/0), SyscallSucceeds()); @@ -405,11 +354,8 @@ TEST_F(XattrTest, GetxattrSizeLargerThanValue) { } TEST_F(XattrTest, GetxattrZeroSize) { - // TODO(b/127675828): Support setxattr and getxattr. - SKIP_IF(IsRunningOnGvisor()); - const char* path = test_file_name_.c_str(); - char name[] = "user.abc"; + const char name[] = "user.test"; char val = 'a'; EXPECT_THAT(setxattr(path, name, &val, sizeof(val), /*flags=*/0), SyscallSucceeds()); @@ -421,11 +367,8 @@ TEST_F(XattrTest, GetxattrZeroSize) { } TEST_F(XattrTest, GetxattrSizeTooLarge) { - // TODO(b/127675828): Support setxattr and getxattr. - SKIP_IF(IsRunningOnGvisor()); - const char* path = test_file_name_.c_str(); - char name[] = "user.abc"; + const char name[] = "user.test"; char val = 'a'; EXPECT_THAT(setxattr(path, name, &val, sizeof(val), /*flags=*/0), SyscallSucceeds()); @@ -440,11 +383,8 @@ TEST_F(XattrTest, GetxattrSizeTooLarge) { } TEST_F(XattrTest, GetxattrNullValue) { - // TODO(b/127675828): Support setxattr and getxattr. - SKIP_IF(IsRunningOnGvisor()); - const char* path = test_file_name_.c_str(); - char name[] = "user.abc"; + const char name[] = "user.test"; char val = 'a'; size_t size = sizeof(val); EXPECT_THAT(setxattr(path, name, &val, size, /*flags=*/0), SyscallSucceeds()); @@ -454,11 +394,8 @@ TEST_F(XattrTest, GetxattrNullValue) { } TEST_F(XattrTest, GetxattrNullValueAndZeroSize) { - // TODO(b/127675828): Support setxattr and getxattr. - SKIP_IF(IsRunningOnGvisor()); - const char* path = test_file_name_.c_str(); - char name[] = "user.abc"; + const char name[] = "user.test"; char val = 'a'; size_t size = sizeof(val); // Set value with zero size. @@ -473,15 +410,51 @@ TEST_F(XattrTest, GetxattrNullValueAndZeroSize) { } TEST_F(XattrTest, GetxattrNonexistentName) { - // TODO(b/127675828): Support getxattr. - SKIP_IF(IsRunningOnGvisor()); - const char* path = test_file_name_.c_str(); - std::string name = "user.nonexistent"; - EXPECT_THAT(getxattr(path, name.c_str(), nullptr, 0), + const char name[] = "user.test"; + EXPECT_THAT(getxattr(path, name, nullptr, 0), SyscallFailsWithErrno(ENODATA)); +} + +TEST_F(XattrTest, LGetSetxattrOnSymlink) { + TempPath dir = ASSERT_NO_ERRNO_AND_VALUE(TempPath::CreateDir()); + TempPath link = ASSERT_NO_ERRNO_AND_VALUE( + TempPath::CreateSymlinkTo(dir.path(), test_file_name_)); + + EXPECT_THAT(lsetxattr(link.path().c_str(), nullptr, nullptr, 0, 0), + SyscallFailsWithErrno(EPERM)); + EXPECT_THAT(lgetxattr(link.path().c_str(), nullptr, nullptr, 0), SyscallFailsWithErrno(ENODATA)); } +TEST_F(XattrTest, LGetSetxattrOnNonsymlink) { + const char* path = test_file_name_.c_str(); + const char name[] = "user.test"; + int val = 1234; + size_t size = sizeof(val); + EXPECT_THAT(lsetxattr(path, name, &val, size, /*flags=*/0), + SyscallSucceeds()); + + int buf = 0; + EXPECT_THAT(lgetxattr(path, name, &buf, size), + SyscallSucceedsWithValue(size)); + EXPECT_EQ(buf, val); +} + +TEST_F(XattrTest, FGetSetxattr) { + const FileDescriptor fd = + ASSERT_NO_ERRNO_AND_VALUE(Open(test_file_name_.c_str(), 0)); + const char name[] = "user.test"; + int val = 1234; + size_t size = sizeof(val); + EXPECT_THAT(fsetxattr(fd.get(), name, &val, size, /*flags=*/0), + SyscallSucceeds()); + + int buf = 0; + EXPECT_THAT(fgetxattr(fd.get(), name, &buf, size), + SyscallSucceedsWithValue(size)); + EXPECT_EQ(buf, val); +} + } // namespace } // namespace testing |