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// Copyright 2018 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 <net/if.h>
#include <netinet/in.h>
#include <sys/ioctl.h>
#include <sys/socket.h>
#include <cstring>
#include "test/syscalls/linux/ip_socket_test_util.h"
namespace gvisor {
namespace testing {
PosixErrorOr<int> InterfaceIndex(std::string name) {
// TODO(igudger): Consider using netlink.
ifreq req = {};
memcpy(req.ifr_name, name.c_str(), name.size());
ASSIGN_OR_RETURN_ERRNO(auto sock, Socket(AF_INET, SOCK_DGRAM, 0));
RETURN_ERROR_IF_SYSCALL_FAIL(ioctl(sock.get(), SIOCGIFINDEX, &req));
return req.ifr_ifindex;
}
namespace {
std::string DescribeSocketType(int type) {
return absl::StrCat(((type & SOCK_NONBLOCK) != 0) ? "non-blocking " : "",
((type & SOCK_CLOEXEC) != 0) ? "close-on-exec " : "");
}
} // namespace
SocketPairKind IPv6TCPAcceptBindSocketPair(int type) {
std::string description =
absl::StrCat(DescribeSocketType(type), "connected IPv6 TCP socket");
return SocketPairKind{
description, AF_INET6, type | SOCK_STREAM, IPPROTO_TCP,
TCPAcceptBindSocketPairCreator(AF_INET6, type | SOCK_STREAM, 0,
/* dual_stack = */ false)};
}
SocketPairKind IPv4TCPAcceptBindSocketPair(int type) {
std::string description =
absl::StrCat(DescribeSocketType(type), "connected IPv4 TCP socket");
return SocketPairKind{
description, AF_INET, type | SOCK_STREAM, IPPROTO_TCP,
TCPAcceptBindSocketPairCreator(AF_INET, type | SOCK_STREAM, 0,
/* dual_stack = */ false)};
}
SocketPairKind DualStackTCPAcceptBindSocketPair(int type) {
std::string description =
absl::StrCat(DescribeSocketType(type), "connected dual stack TCP socket");
return SocketPairKind{
description, AF_INET6, type | SOCK_STREAM, IPPROTO_TCP,
TCPAcceptBindSocketPairCreator(AF_INET6, type | SOCK_STREAM, 0,
/* dual_stack = */ true)};
}
SocketPairKind IPv6UDPBidirectionalBindSocketPair(int type) {
std::string description =
absl::StrCat(DescribeSocketType(type), "connected IPv6 UDP socket");
return SocketPairKind{
description, AF_INET6, type | SOCK_DGRAM, IPPROTO_UDP,
UDPBidirectionalBindSocketPairCreator(AF_INET6, type | SOCK_DGRAM, 0,
/* dual_stack = */ false)};
}
SocketPairKind IPv4UDPBidirectionalBindSocketPair(int type) {
std::string description =
absl::StrCat(DescribeSocketType(type), "connected IPv4 UDP socket");
return SocketPairKind{
description, AF_INET, type | SOCK_DGRAM, IPPROTO_UDP,
UDPBidirectionalBindSocketPairCreator(AF_INET, type | SOCK_DGRAM, 0,
/* dual_stack = */ false)};
}
SocketPairKind DualStackUDPBidirectionalBindSocketPair(int type) {
std::string description =
absl::StrCat(DescribeSocketType(type), "connected dual stack UDP socket");
return SocketPairKind{
description, AF_INET6, type | SOCK_DGRAM, IPPROTO_UDP,
UDPBidirectionalBindSocketPairCreator(AF_INET6, type | SOCK_DGRAM, 0,
/* dual_stack = */ true)};
}
SocketPairKind IPv4UDPUnboundSocketPair(int type) {
std::string description =
absl::StrCat(DescribeSocketType(type), "IPv4 UDP socket");
return SocketPairKind{
description, AF_INET, type | SOCK_DGRAM, IPPROTO_UDP,
UDPUnboundSocketPairCreator(AF_INET, type | SOCK_DGRAM, 0,
/* dual_stack = */ false)};
}
SocketKind IPv4UDPUnboundSocket(int type) {
std::string description =
absl::StrCat(DescribeSocketType(type), "IPv4 UDP socket");
return SocketKind{
description, AF_INET, type | SOCK_DGRAM, IPPROTO_UDP,
UnboundSocketCreator(AF_INET, type | SOCK_DGRAM, IPPROTO_UDP)};
}
SocketKind IPv4TCPUnboundSocket(int type) {
std::string description =
absl::StrCat(DescribeSocketType(type), "IPv4 TCP socket");
return SocketKind{
description, AF_INET, type | SOCK_STREAM, IPPROTO_TCP,
UnboundSocketCreator(AF_INET, type | SOCK_STREAM, IPPROTO_TCP)};
}
} // namespace testing
} // namespace gvisor
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