diff options
Diffstat (limited to 'test/syscalls/linux')
-rw-r--r-- | test/syscalls/linux/BUILD | 37 | ||||
-rw-r--r-- | test/syscalls/linux/socket_ip_udp_generic.cc | 55 | ||||
-rw-r--r-- | test/syscalls/linux/socket_ipv4_udp_unbound.cc | 84 | ||||
-rw-r--r-- | test/syscalls/linux/socket_ipv6_udp_unbound.cc | 131 | ||||
-rw-r--r-- | test/syscalls/linux/socket_ipv6_udp_unbound.h | 29 | ||||
-rw-r--r-- | test/syscalls/linux/socket_ipv6_udp_unbound_loopback.cc | 32 |
6 files changed, 368 insertions, 0 deletions
diff --git a/test/syscalls/linux/BUILD b/test/syscalls/linux/BUILD index a9e0b070a..760456a98 100644 --- a/test/syscalls/linux/BUILD +++ b/test/syscalls/linux/BUILD @@ -2451,6 +2451,27 @@ cc_library( ) cc_library( + name = "socket_ipv6_udp_unbound_test_cases", + testonly = 1, + srcs = [ + "socket_ipv6_udp_unbound.cc", + ], + hdrs = [ + "socket_ipv6_udp_unbound.h", + ], + deps = [ + ":ip_socket_test_util", + ":socket_test_util", + "@com_google_absl//absl/memory", + gtest, + "//test/util:posix_error", + "//test/util:save_util", + "//test/util:test_util", + ], + alwayslink = 1, +) + +cc_library( name = "socket_ipv4_udp_unbound_netlink_test_cases", testonly = 1, srcs = [ @@ -2790,6 +2811,22 @@ cc_binary( ) cc_binary( + name = "socket_ipv6_udp_unbound_loopback_test", + testonly = 1, + srcs = [ + "socket_ipv6_udp_unbound_loopback.cc", + ], + linkstatic = 1, + deps = [ + ":ip_socket_test_util", + ":socket_ipv6_udp_unbound_test_cases", + ":socket_test_util", + "//test/util:test_main", + "//test/util:test_util", + ], +) + +cc_binary( name = "socket_ipv4_udp_unbound_loopback_nogotsan_test", testonly = 1, srcs = [ diff --git a/test/syscalls/linux/socket_ip_udp_generic.cc b/test/syscalls/linux/socket_ip_udp_generic.cc index f69f8f99f..2fcd08112 100644 --- a/test/syscalls/linux/socket_ip_udp_generic.cc +++ b/test/syscalls/linux/socket_ip_udp_generic.cc @@ -15,6 +15,9 @@ #include "test/syscalls/linux/socket_ip_udp_generic.h" #include <errno.h> +#ifdef __linux__ +#include <linux/in6.h> +#endif // __linux__ #include <netinet/in.h> #include <netinet/tcp.h> #include <poll.h> @@ -356,6 +359,58 @@ TEST_P(UDPSocketPairTest, SetAndGetIPPKTINFO) { EXPECT_EQ(get_len, sizeof(get)); } +// Test getsockopt for a socket which is not set with IP_RECVORIGDSTADDR option. +TEST_P(UDPSocketPairTest, ReceiveOrigDstAddrDefault) { + auto sockets = ASSERT_NO_ERRNO_AND_VALUE(NewSocketPair()); + + int get = -1; + socklen_t get_len = sizeof(get); + int level = SOL_IP; + int type = IP_RECVORIGDSTADDR; + if (sockets->first_addr()->sa_family == AF_INET6) { + level = SOL_IPV6; + type = IPV6_RECVORIGDSTADDR; + } + ASSERT_THAT(getsockopt(sockets->first_fd(), level, type, &get, &get_len), + SyscallSucceedsWithValue(0)); + EXPECT_EQ(get_len, sizeof(get)); + EXPECT_EQ(get, kSockOptOff); +} + +// Test setsockopt and getsockopt for a socket with IP_RECVORIGDSTADDR option. +TEST_P(UDPSocketPairTest, SetAndGetReceiveOrigDstAddr) { + auto sockets = ASSERT_NO_ERRNO_AND_VALUE(NewSocketPair()); + + int level = SOL_IP; + int type = IP_RECVORIGDSTADDR; + if (sockets->first_addr()->sa_family == AF_INET6) { + level = SOL_IPV6; + type = IPV6_RECVORIGDSTADDR; + } + + // Check getsockopt before IP_PKTINFO is set. + int get = -1; + socklen_t get_len = sizeof(get); + + ASSERT_THAT(setsockopt(sockets->first_fd(), level, type, &kSockOptOn, + sizeof(kSockOptOn)), + SyscallSucceedsWithValue(0)); + + ASSERT_THAT(getsockopt(sockets->first_fd(), level, type, &get, &get_len), + SyscallSucceedsWithValue(0)); + EXPECT_EQ(get, kSockOptOn); + EXPECT_EQ(get_len, sizeof(get)); + + ASSERT_THAT(setsockopt(sockets->first_fd(), level, type, &kSockOptOff, + sizeof(kSockOptOff)), + SyscallSucceedsWithValue(0)); + + ASSERT_THAT(getsockopt(sockets->first_fd(), level, type, &get, &get_len), + SyscallSucceedsWithValue(0)); + EXPECT_EQ(get, kSockOptOff); + EXPECT_EQ(get_len, sizeof(get)); +} + // Holds TOS or TClass information for IPv4 or IPv6 respectively. struct RecvTosOption { int level; diff --git a/test/syscalls/linux/socket_ipv4_udp_unbound.cc b/test/syscalls/linux/socket_ipv4_udp_unbound.cc index b3f54e7f6..e557572a7 100644 --- a/test/syscalls/linux/socket_ipv4_udp_unbound.cc +++ b/test/syscalls/linux/socket_ipv4_udp_unbound.cc @@ -2222,6 +2222,90 @@ TEST_P(IPv4UDPUnboundSocketTest, SetAndReceiveIPPKTINFO) { EXPECT_EQ(received_pktinfo.ipi_addr.s_addr, htonl(INADDR_LOOPBACK)); } +// Test that socket will receive IP_RECVORIGDSTADDR control message. +TEST_P(IPv4UDPUnboundSocketTest, SetAndReceiveIPReceiveOrigDstAddr) { + auto sender = ASSERT_NO_ERRNO_AND_VALUE(NewSocket()); + auto receiver = ASSERT_NO_ERRNO_AND_VALUE(NewSocket()); + auto receiver_addr = V4Loopback(); + int level = SOL_IP; + int type = IP_RECVORIGDSTADDR; + + ASSERT_THAT( + bind(receiver->get(), reinterpret_cast<sockaddr*>(&receiver_addr.addr), + receiver_addr.addr_len), + SyscallSucceeds()); + + // Retrieve the port bound by the receiver. + socklen_t receiver_addr_len = receiver_addr.addr_len; + ASSERT_THAT(getsockname(receiver->get(), + reinterpret_cast<sockaddr*>(&receiver_addr.addr), + &receiver_addr_len), + SyscallSucceeds()); + EXPECT_EQ(receiver_addr_len, receiver_addr.addr_len); + + ASSERT_THAT( + connect(sender->get(), reinterpret_cast<sockaddr*>(&receiver_addr.addr), + receiver_addr.addr_len), + SyscallSucceeds()); + + // Get address and port bound by the sender. + sockaddr_storage sender_addr_storage; + socklen_t sender_addr_len = sizeof(sender_addr_storage); + ASSERT_THAT(getsockname(sender->get(), + reinterpret_cast<sockaddr*>(&sender_addr_storage), + &sender_addr_len), + SyscallSucceeds()); + ASSERT_EQ(sender_addr_len, sizeof(struct sockaddr_in)); + + // Enable IP_RECVORIGDSTADDR on socket so that we get the original destination + // address of the datagram as auxiliary information in the control message. + ASSERT_THAT( + setsockopt(receiver->get(), level, type, &kSockOptOn, sizeof(kSockOptOn)), + SyscallSucceeds()); + + // Prepare message to send. + constexpr size_t kDataLength = 1024; + msghdr sent_msg = {}; + iovec sent_iov = {}; + char sent_data[kDataLength]; + sent_iov.iov_base = sent_data; + sent_iov.iov_len = kDataLength; + sent_msg.msg_iov = &sent_iov; + sent_msg.msg_iovlen = 1; + sent_msg.msg_flags = 0; + + ASSERT_THAT(RetryEINTR(sendmsg)(sender->get(), &sent_msg, 0), + SyscallSucceedsWithValue(kDataLength)); + + msghdr received_msg = {}; + iovec received_iov = {}; + char received_data[kDataLength]; + char received_cmsg_buf[CMSG_SPACE(sizeof(sockaddr_in))] = {}; + size_t cmsg_data_len = sizeof(sockaddr_in); + received_iov.iov_base = received_data; + received_iov.iov_len = kDataLength; + received_msg.msg_iov = &received_iov; + received_msg.msg_iovlen = 1; + received_msg.msg_controllen = CMSG_LEN(cmsg_data_len); + received_msg.msg_control = received_cmsg_buf; + + ASSERT_THAT(RecvMsgTimeout(receiver->get(), &received_msg, 1 /*timeout*/), + IsPosixErrorOkAndHolds(kDataLength)); + + cmsghdr* cmsg = CMSG_FIRSTHDR(&received_msg); + ASSERT_NE(cmsg, nullptr); + EXPECT_EQ(cmsg->cmsg_len, CMSG_LEN(cmsg_data_len)); + EXPECT_EQ(cmsg->cmsg_level, level); + EXPECT_EQ(cmsg->cmsg_type, type); + + // Check the data + sockaddr_in received_addr = {}; + memcpy(&received_addr, CMSG_DATA(cmsg), sizeof(received_addr)); + auto orig_receiver_addr = reinterpret_cast<sockaddr_in*>(&receiver_addr.addr); + EXPECT_EQ(received_addr.sin_addr.s_addr, orig_receiver_addr->sin_addr.s_addr); + EXPECT_EQ(received_addr.sin_port, orig_receiver_addr->sin_port); +} + // Check that setting SO_RCVBUF below min is clamped to the minimum // receive buffer size. TEST_P(IPv4UDPUnboundSocketTest, SetSocketRecvBufBelowMin) { diff --git a/test/syscalls/linux/socket_ipv6_udp_unbound.cc b/test/syscalls/linux/socket_ipv6_udp_unbound.cc new file mode 100644 index 000000000..08526468e --- /dev/null +++ b/test/syscalls/linux/socket_ipv6_udp_unbound.cc @@ -0,0 +1,131 @@ +// 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 "test/syscalls/linux/socket_ipv6_udp_unbound.h" + +#include <arpa/inet.h> +#include <netinet/in.h> +#ifdef __linux__ +#include <linux/in6.h> +#endif // __linux__ +#include <net/if.h> +#include <sys/ioctl.h> +#include <sys/socket.h> +#include <sys/types.h> +#include <sys/un.h> + +#include <cstdio> +#include <cstring> + +#include "gtest/gtest.h" +#include "absl/memory/memory.h" +#include "test/syscalls/linux/ip_socket_test_util.h" +#include "test/syscalls/linux/socket_test_util.h" +#include "test/util/posix_error.h" +#include "test/util/save_util.h" +#include "test/util/test_util.h" + +namespace gvisor { +namespace testing { + +// Test that socket will receive IP_RECVORIGDSTADDR control message. +TEST_P(IPv6UDPUnboundSocketTest, SetAndReceiveIPReceiveOrigDstAddr) { + auto sender = ASSERT_NO_ERRNO_AND_VALUE(NewSocket()); + auto receiver = ASSERT_NO_ERRNO_AND_VALUE(NewSocket()); + auto receiver_addr = V6Loopback(); + int level = SOL_IPV6; + int type = IPV6_RECVORIGDSTADDR; + + ASSERT_THAT( + bind(receiver->get(), reinterpret_cast<sockaddr*>(&receiver_addr.addr), + receiver_addr.addr_len), + SyscallSucceeds()); + + // Retrieve the port bound by the receiver. + socklen_t receiver_addr_len = receiver_addr.addr_len; + ASSERT_THAT(getsockname(receiver->get(), + reinterpret_cast<sockaddr*>(&receiver_addr.addr), + &receiver_addr_len), + SyscallSucceeds()); + EXPECT_EQ(receiver_addr_len, receiver_addr.addr_len); + + ASSERT_THAT( + connect(sender->get(), reinterpret_cast<sockaddr*>(&receiver_addr.addr), + receiver_addr.addr_len), + SyscallSucceeds()); + + // Get address and port bound by the sender. + sockaddr_storage sender_addr_storage; + socklen_t sender_addr_len = sizeof(sender_addr_storage); + ASSERT_THAT(getsockname(sender->get(), + reinterpret_cast<sockaddr*>(&sender_addr_storage), + &sender_addr_len), + SyscallSucceeds()); + ASSERT_EQ(sender_addr_len, sizeof(struct sockaddr_in6)); + + // Enable IP_RECVORIGDSTADDR on socket so that we get the original destination + // address of the datagram as auxiliary information in the control message. + ASSERT_THAT( + setsockopt(receiver->get(), level, type, &kSockOptOn, sizeof(kSockOptOn)), + SyscallSucceeds()); + + // Prepare message to send. + constexpr size_t kDataLength = 1024; + msghdr sent_msg = {}; + iovec sent_iov = {}; + char sent_data[kDataLength]; + sent_iov.iov_base = sent_data; + sent_iov.iov_len = kDataLength; + sent_msg.msg_iov = &sent_iov; + sent_msg.msg_iovlen = 1; + sent_msg.msg_flags = 0; + + ASSERT_THAT(RetryEINTR(sendmsg)(sender->get(), &sent_msg, 0), + SyscallSucceedsWithValue(kDataLength)); + + msghdr received_msg = {}; + iovec received_iov = {}; + char received_data[kDataLength]; + char received_cmsg_buf[CMSG_SPACE(sizeof(sockaddr_in6))] = {}; + size_t cmsg_data_len = sizeof(sockaddr_in6); + received_iov.iov_base = received_data; + received_iov.iov_len = kDataLength; + received_msg.msg_iov = &received_iov; + received_msg.msg_iovlen = 1; + received_msg.msg_controllen = CMSG_LEN(cmsg_data_len); + received_msg.msg_control = received_cmsg_buf; + + ASSERT_THAT(RecvMsgTimeout(receiver->get(), &received_msg, 1 /*timeout*/), + IsPosixErrorOkAndHolds(kDataLength)); + + cmsghdr* cmsg = CMSG_FIRSTHDR(&received_msg); + ASSERT_NE(cmsg, nullptr); + EXPECT_EQ(cmsg->cmsg_len, CMSG_LEN(cmsg_data_len)); + EXPECT_EQ(cmsg->cmsg_level, level); + EXPECT_EQ(cmsg->cmsg_type, type); + + // Check that the received address in the control message matches the expected + // receiver's address. + sockaddr_in6 received_addr = {}; + memcpy(&received_addr, CMSG_DATA(cmsg), sizeof(received_addr)); + auto orig_receiver_addr = + reinterpret_cast<sockaddr_in6*>(&receiver_addr.addr); + EXPECT_EQ(memcmp(&received_addr.sin6_addr, &orig_receiver_addr->sin6_addr, + sizeof(in6_addr)), + 0); + EXPECT_EQ(received_addr.sin6_port, orig_receiver_addr->sin6_port); +} + +} // namespace testing +} // namespace gvisor diff --git a/test/syscalls/linux/socket_ipv6_udp_unbound.h b/test/syscalls/linux/socket_ipv6_udp_unbound.h new file mode 100644 index 000000000..71e160f73 --- /dev/null +++ b/test/syscalls/linux/socket_ipv6_udp_unbound.h @@ -0,0 +1,29 @@ +// 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. + +#ifndef GVISOR_TEST_SYSCALLS_LINUX_SOCKET_IPV6_UDP_UNBOUND_H_ +#define GVISOR_TEST_SYSCALLS_LINUX_SOCKET_IPV6_UDP_UNBOUND_H_ + +#include "test/syscalls/linux/socket_test_util.h" + +namespace gvisor { +namespace testing { + +// Test fixture for tests that apply to IPv6 UDP sockets. +using IPv6UDPUnboundSocketTest = SimpleSocketTest; + +} // namespace testing +} // namespace gvisor + +#endif // GVISOR_TEST_SYSCALLS_LINUX_SOCKET_IPV6_UDP_UNBOUND_H_ diff --git a/test/syscalls/linux/socket_ipv6_udp_unbound_loopback.cc b/test/syscalls/linux/socket_ipv6_udp_unbound_loopback.cc new file mode 100644 index 000000000..058336ecc --- /dev/null +++ b/test/syscalls/linux/socket_ipv6_udp_unbound_loopback.cc @@ -0,0 +1,32 @@ +// 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 <vector> + +#include "test/syscalls/linux/ip_socket_test_util.h" +#include "test/syscalls/linux/socket_ipv6_udp_unbound.h" +#include "test/syscalls/linux/socket_test_util.h" +#include "test/util/test_util.h" + +namespace gvisor { +namespace testing { + +INSTANTIATE_TEST_SUITE_P( + IPv6UDPSockets, IPv6UDPUnboundSocketTest, + ::testing::ValuesIn(ApplyVec<SocketKind>(IPv6UDPUnboundSocket, + AllBitwiseCombinations(List<int>{ + 0, SOCK_NONBLOCK})))); + +} // namespace testing +} // namespace gvisor |