1 files changed, 0 insertions, 318 deletions
diff --git a/test/syscalls/linux/packet_socket_raw.cc b/test/syscalls/linux/packet_socket_raw.cc
deleted file mode 100644
index d258d353c..000000000
--- a/test/syscalls/linux/packet_socket_raw.cc
+++ /dev/null
@@ -1,318 +0,0 @@
-// Copyright 2019 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 <arpa/inet.h>
-#include <linux/capability.h>
-#include <linux/if_arp.h>
-#include <linux/if_packet.h>
-#include <net/ethernet.h>
-#include <netinet/in.h>
-#include <netinet/ip.h>
-#include <netinet/udp.h>
-#include <poll.h>
-#include <sys/ioctl.h>
-#include <sys/socket.h>
-#include <sys/types.h>
-#include <unistd.h>
-
-#include "gmock/gmock.h"
-#include "gtest/gtest.h"
-#include "absl/base/internal/endian.h"
-#include "test/syscalls/linux/socket_test_util.h"
-#include "test/syscalls/linux/unix_domain_socket_test_util.h"
-#include "test/util/capability_util.h"
-#include "test/util/file_descriptor.h"
-#include "test/util/test_util.h"
-
-// Some of these tests involve sending packets via AF_PACKET sockets and the
-// loopback interface. Because AF_PACKET circumvents so much of the networking
-// stack, Linux sees these packets as "martian", i.e. they claim to be to/from
-// localhost but don't have the usual associated data. Thus Linux drops them by
-// default. You can see where this happens by following the code at:
-//
-// - net/ipv4/ip_input.c:ip_rcv_finish, which calls
-// - net/ipv4/route.c:ip_route_input_noref, which calls
-// - net/ipv4/route.c:ip_route_input_slow, which finds and drops martian
-//   packets.
-//
-// To tell Linux not to drop these packets, you need to tell it to accept our
-// funny packets (which are completely valid and correct, but lack associated
-// in-kernel data because we use AF_PACKET):
-//
-// echo 1 >> /proc/sys/net/ipv4/conf/lo/accept_local
-// echo 1 >> /proc/sys/net/ipv4/conf/lo/route_localnet
-//
-// These tests require CAP_NET_RAW to run.
-
-// TODO(gvisor.dev/issue/173): gVisor support.
-
-namespace gvisor {
-namespace testing {
-
-namespace {
-
-using ::testing::AnyOf;
-using ::testing::Eq;
-
-constexpr char kMessage[] = "soweoneul malhaebwa";
-constexpr in_port_t kPort = 0x409c;  // htons(40000)
-
-// Send kMessage via sock to loopback
-void SendUDPMessage(int sock) {
-  struct sockaddr_in dest = {};
-  dest.sin_port = kPort;
-  dest.sin_addr.s_addr = htonl(INADDR_LOOPBACK);
-  dest.sin_family = AF_INET;
-  EXPECT_THAT(sendto(sock, kMessage, sizeof(kMessage), 0,
-                     reinterpret_cast<struct sockaddr*>(&dest), sizeof(dest)),
-              SyscallSucceedsWithValue(sizeof(kMessage)));
-}
-
-//
-// Raw tests. Packets sent with raw AF_PACKET sockets always include link layer
-// headers.
-//
-
-// Tests for "raw" (SOCK_RAW) packet(7) sockets.
-class RawPacketTest : public ::testing::TestWithParam<int> {
- protected:
-  // Creates a socket to be used in tests.
-  void SetUp() override;
-
-  // Closes the socket created by SetUp().
-  void TearDown() override;
-
-  // Gets the device index of the loopback device.
-  int GetLoopbackIndex();
-
-  // The socket used for both reading and writing.
-  int socket_;
-};
-
-void RawPacketTest::SetUp() {
-  if (!ASSERT_NO_ERRNO_AND_VALUE(HaveCapability(CAP_NET_RAW))) {
-    ASSERT_THAT(socket(AF_PACKET, SOCK_RAW, htons(GetParam())),
-                SyscallFailsWithErrno(EPERM));
-    GTEST_SKIP();
-  }
-
-  if (!IsRunningOnGvisor()) {
-    FileDescriptor acceptLocal = ASSERT_NO_ERRNO_AND_VALUE(
-        Open("/proc/sys/net/ipv4/conf/lo/accept_local", O_RDONLY));
-    FileDescriptor routeLocalnet = ASSERT_NO_ERRNO_AND_VALUE(
-        Open("/proc/sys/net/ipv4/conf/lo/route_localnet", O_RDONLY));
-    char enabled;
-    ASSERT_THAT(read(acceptLocal.get(), &enabled, 1),
-                SyscallSucceedsWithValue(1));
-    ASSERT_EQ(enabled, '1');
-    ASSERT_THAT(read(routeLocalnet.get(), &enabled, 1),
-                SyscallSucceedsWithValue(1));
-    ASSERT_EQ(enabled, '1');
-  }
-
-  ASSERT_THAT(socket_ = socket(AF_PACKET, SOCK_RAW, htons(GetParam())),
-              SyscallSucceeds());
-}
-
-void RawPacketTest::TearDown() {
-  // TearDown will be run even if we skip the test.
-  if (ASSERT_NO_ERRNO_AND_VALUE(HaveCapability(CAP_NET_RAW))) {
-    EXPECT_THAT(close(socket_), SyscallSucceeds());
-  }
-}
-
-int RawPacketTest::GetLoopbackIndex() {
-  struct ifreq ifr;
-  snprintf(ifr.ifr_name, IFNAMSIZ, "lo");
-  EXPECT_THAT(ioctl(socket_, SIOCGIFINDEX, &ifr), SyscallSucceeds());
-  EXPECT_NE(ifr.ifr_ifindex, 0);
-  return ifr.ifr_ifindex;
-}
-
-// Receive via a packet socket.
-TEST_P(RawPacketTest, Receive) {
-  // Let's use a simple IP payload: a UDP datagram.
-  FileDescriptor udp_sock =
-      ASSERT_NO_ERRNO_AND_VALUE(Socket(AF_INET, SOCK_DGRAM, 0));
-  SendUDPMessage(udp_sock.get());
-
-  // Wait for the socket to become readable.
-  struct pollfd pfd = {};
-  pfd.fd = socket_;
-  pfd.events = POLLIN;
-  EXPECT_THAT(RetryEINTR(poll)(&pfd, 1, 2000), SyscallSucceedsWithValue(1));
-
-  // Read and verify the data.
-  constexpr size_t packet_size = sizeof(struct ethhdr) + sizeof(struct iphdr) +
-                                 sizeof(struct udphdr) + sizeof(kMessage);
-  char buf[64];
-  struct sockaddr_ll src = {};
-  socklen_t src_len = sizeof(src);
-  ASSERT_THAT(recvfrom(socket_, buf, sizeof(buf), 0,
-                       reinterpret_cast<struct sockaddr*>(&src), &src_len),
-              SyscallSucceedsWithValue(packet_size));
-  // sockaddr_ll ends with an 8 byte physical address field, but ethernet
-  // addresses only use 6 bytes.  Linux used to return sizeof(sockaddr_ll)-2
-  // here, but since commit b2cf86e1563e33a14a1c69b3e508d15dc12f804c returns
-  // sizeof(sockaddr_ll).
-  ASSERT_THAT(src_len, AnyOf(Eq(sizeof(src)), Eq(sizeof(src) - 2)));
-
-  // TODO(b/129292371): Verify protocol once we return it.
-  // Verify the source address.
-  EXPECT_EQ(src.sll_family, AF_PACKET);
-  EXPECT_EQ(src.sll_ifindex, GetLoopbackIndex());
-  EXPECT_EQ(src.sll_halen, ETH_ALEN);
-  // This came from the loopback device, so the address is all 0s.
-  for (int i = 0; i < src.sll_halen; i++) {
-    EXPECT_EQ(src.sll_addr[i], 0);
-  }
-
-  // Verify the ethernet header. We memcpy to deal with pointer alignment.
-  struct ethhdr eth = {};
-  memcpy(&eth, buf, sizeof(eth));
-  // The destination and source address should be 0, for loopback.
-  for (int i = 0; i < ETH_ALEN; i++) {
-    EXPECT_EQ(eth.h_dest[i], 0);
-    EXPECT_EQ(eth.h_source[i], 0);
-  }
-  EXPECT_EQ(eth.h_proto, htons(ETH_P_IP));
-
-  // Verify the IP header. We memcpy to deal with pointer aligment.
-  struct iphdr ip = {};
-  memcpy(&ip, buf + sizeof(ethhdr), sizeof(ip));
-  EXPECT_EQ(ip.ihl, 5);
-  EXPECT_EQ(ip.version, 4);
-  EXPECT_EQ(ip.tot_len, htons(packet_size - sizeof(eth)));
-  EXPECT_EQ(ip.protocol, IPPROTO_UDP);
-  EXPECT_EQ(ip.daddr, htonl(INADDR_LOOPBACK));
-  EXPECT_EQ(ip.saddr, htonl(INADDR_LOOPBACK));
-
-  // Verify the UDP header. We memcpy to deal with pointer aligment.
-  struct udphdr udp = {};
-  memcpy(&udp, buf + sizeof(eth) + sizeof(iphdr), sizeof(udp));
-  EXPECT_EQ(udp.dest, kPort);
-  EXPECT_EQ(udp.len, htons(sizeof(udphdr) + sizeof(kMessage)));
-
-  // Verify the payload.
-  char* payload = reinterpret_cast<char*>(buf + sizeof(eth) + sizeof(iphdr) +
-                                          sizeof(udphdr));
-  EXPECT_EQ(strncmp(payload, kMessage, sizeof(kMessage)), 0);
-}
-
-// Send via a packet socket.
-TEST_P(RawPacketTest, Send) {
-  // TODO(b/129292371): Remove once we support packet socket writing.
-  SKIP_IF(IsRunningOnGvisor());
-
-  // Let's send a UDP packet and receive it using a regular UDP socket.
-  FileDescriptor udp_sock =
-      ASSERT_NO_ERRNO_AND_VALUE(Socket(AF_INET, SOCK_DGRAM, 0));
-  struct sockaddr_in bind_addr = {};
-  bind_addr.sin_family = AF_INET;
-  bind_addr.sin_addr.s_addr = htonl(INADDR_LOOPBACK);
-  bind_addr.sin_port = kPort;
-  ASSERT_THAT(
-      bind(udp_sock.get(), reinterpret_cast<struct sockaddr*>(&bind_addr),
-           sizeof(bind_addr)),
-      SyscallSucceeds());
-
-  // Set up the destination physical address.
-  struct sockaddr_ll dest = {};
-  dest.sll_family = AF_PACKET;
-  dest.sll_halen = ETH_ALEN;
-  dest.sll_ifindex = GetLoopbackIndex();
-  dest.sll_protocol = htons(ETH_P_IP);
-  // We're sending to the loopback device, so the address is all 0s.
-  memset(dest.sll_addr, 0x00, ETH_ALEN);
-
-  // Set up the ethernet header. The kernel takes care of the footer.
-  // We're sending to and from hardware address 0 (loopback).
-  struct ethhdr eth = {};
-  eth.h_proto = htons(ETH_P_IP);
-
-  // Set up the IP header.
-  struct iphdr iphdr = {};
-  iphdr.ihl = 5;
-  iphdr.version = 4;
-  iphdr.tos = 0;
-  iphdr.tot_len =
-      htons(sizeof(struct iphdr) + sizeof(struct udphdr) + sizeof(kMessage));
-  // Get a pseudo-random ID. If we clash with an in-use ID the test will fail,
-  // but we have no way of getting an ID we know to be good.
-  srand(*reinterpret_cast<unsigned int*>(&iphdr));
-  iphdr.id = rand();
-  // Linux sets this bit ("do not fragment") for small packets.
-  iphdr.frag_off = 1 << 6;
-  iphdr.ttl = 64;
-  iphdr.protocol = IPPROTO_UDP;
-  iphdr.daddr = htonl(INADDR_LOOPBACK);
-  iphdr.saddr = htonl(INADDR_LOOPBACK);
-  iphdr.check = IPChecksum(iphdr);
-
-  // Set up the UDP header.
-  struct udphdr udphdr = {};
-  udphdr.source = kPort;
-  udphdr.dest = kPort;
-  udphdr.len = htons(sizeof(udphdr) + sizeof(kMessage));
-  udphdr.check = UDPChecksum(iphdr, udphdr, kMessage, sizeof(kMessage));
-
-  // Copy both headers and the payload into our packet buffer.
-  char
-      send_buf[sizeof(eth) + sizeof(iphdr) + sizeof(udphdr) + sizeof(kMessage)];
-  memcpy(send_buf, &eth, sizeof(eth));
-  memcpy(send_buf + sizeof(ethhdr), &iphdr, sizeof(iphdr));
-  memcpy(send_buf + sizeof(ethhdr) + sizeof(iphdr), &udphdr, sizeof(udphdr));
-  memcpy(send_buf + sizeof(ethhdr) + sizeof(iphdr) + sizeof(udphdr), kMessage,
-         sizeof(kMessage));
-
-  // Send it.
-  ASSERT_THAT(sendto(socket_, send_buf, sizeof(send_buf), 0,
-                     reinterpret_cast<struct sockaddr*>(&dest), sizeof(dest)),
-              SyscallSucceedsWithValue(sizeof(send_buf)));
-
-  // Wait for the packet to become available on both sockets.
-  struct pollfd pfd = {};
-  pfd.fd = udp_sock.get();
-  pfd.events = POLLIN;
-  ASSERT_THAT(RetryEINTR(poll)(&pfd, 1, 5000), SyscallSucceedsWithValue(1));
-  pfd.fd = socket_;
-  pfd.events = POLLIN;
-  ASSERT_THAT(RetryEINTR(poll)(&pfd, 1, 5000), SyscallSucceedsWithValue(1));
-
-  // Receive on the packet socket.
-  char recv_buf[sizeof(send_buf)];
-  ASSERT_THAT(recv(socket_, recv_buf, sizeof(recv_buf), 0),
-              SyscallSucceedsWithValue(sizeof(recv_buf)));
-  ASSERT_EQ(memcmp(recv_buf, send_buf, sizeof(send_buf)), 0);
-
-  // Receive on the UDP socket.
-  struct sockaddr_in src;
-  socklen_t src_len = sizeof(src);
-  ASSERT_THAT(recvfrom(udp_sock.get(), recv_buf, sizeof(recv_buf), MSG_DONTWAIT,
-                       reinterpret_cast<struct sockaddr*>(&src), &src_len),
-              SyscallSucceedsWithValue(sizeof(kMessage)));
-  // Check src and payload.
-  EXPECT_EQ(strncmp(recv_buf, kMessage, sizeof(kMessage)), 0);
-  EXPECT_EQ(src.sin_family, AF_INET);
-  EXPECT_EQ(src.sin_port, kPort);
-  EXPECT_EQ(src.sin_addr.s_addr, htonl(INADDR_LOOPBACK));
-}
-
-INSTANTIATE_TEST_SUITE_P(AllInetTests, RawPacketTest,
-                         ::testing::Values(ETH_P_IP, ETH_P_ALL));
-
-}  // namespace
-
-}  // namespace testing
-}  // namespace gvisor