public void SockaddrInTest()
{
var address1 = new SockaddrIn {
sin_family = UnixAddressFamily.AF_INET,
sin_port = Syscall.htons(5678),
sin_addr = NativeConvert.ToInAddr(IPAddress.Loopback),
};
var storage = address1.ToSockaddrStorage();
var address2 = SockaddrIn.FromSockaddrStorage(storage);
Assert.AreEqual(address1, address2);
var sockaddr = Sockaddr.FromSockaddrStorage(storage);
Assert.AreEqual(sockaddr.sa_family, address1.sa_family);
var storage2 = storage.ToSockaddrStorage();
Assert.AreEqual(storage, storage2);
var storage3 = new SockaddrStorage(123);
storage2.CopyTo(storage3);
Assert.AreEqual(storage, storage3);
Assert.AreEqual("{sin_family=AF_INET, sin_port=htons(5678), sin_addr=127.0.0.1}", address1.ToString());
}
public void IPv6()
{
if (!Socket.OSSupportsIPv6)
{
Assert.Ignore("OS does not support IPv6.");
}
var address = new SockaddrIn6 {
sin6_family = UnixAddressFamily.AF_INET6,
sin6_port = Syscall.htons(0),
sin6_addr = NativeConvert.ToIn6Addr(IPAddress.IPv6Loopback),
};
WithSockets(UnixAddressFamily.AF_INET6, UnixSocketType.SOCK_STREAM, 0, (so1, so2) => {
if (Syscall.bind(so1, address) < 0)
{
UnixMarshal.ThrowExceptionForLastError();
}
var address1Stor = new SockaddrStorage();
if (Syscall.getsockname(so1, address1Stor) < 0)
{
UnixMarshal.ThrowExceptionForLastError();
}
var address1 = new SockaddrIn6();
address1Stor.CopyTo(address1);
// Check getsockname(socket, null)
if (Syscall.getsockname(so1, null) < 0)
{
UnixMarshal.ThrowExceptionForLastError();
}
var address2 = new SockaddrIn6();
if (Syscall.getsockname(so1, address2) < 0)
{
UnixMarshal.ThrowExceptionForLastError();
}
Assert.AreEqual(address1, address2);
Assert.IsTrue(Syscall.ntohs(address1.sin6_port) != 0);
address1.sin6_port = 0;
Assert.AreEqual(address, address1);
var address3 = new Sockaddr();
if (Syscall.getsockname(so1, address3) < 0)
{
UnixMarshal.ThrowExceptionForLastError();
}
Assert.AreEqual(address.sa_family, address3.sa_family);
// Try to store a sockaddr_in6 into a Sockaddr. Should fail because sockaddr_in6 should be larger than sockaddr_in
var address4 = new SockaddrIn();
if (Syscall.getsockname(so1, address4) == 0)
{
Assert.Fail("getsockname() should have failed");
}
Assert.AreEqual(Errno.ENOBUFS, Stdlib.GetLastError());
});
}
public TCPMD5Sig(SockaddrStorage Addr = default, byte Flags = default, byte Prefixlen = default, ushort Keylen = default, uint _ = default, array <byte> Key = default)
{
this.Addr = Addr;
this.Flags = Flags;
this.Prefixlen = Prefixlen;
this.Keylen = Keylen;
this._ = _;
this.Key = Key;
}
public unsafe void SendMsgRecvMsgAddress ()
{
WithSockets (UnixAddressFamily.AF_INET, UnixSocketType.SOCK_DGRAM, UnixSocketProtocol.IPPROTO_UDP, (so1, so2) => {
// Bind UDP socket so1 to 127.0.0.1 with dynamic port
var address = new SockaddrIn {
sin_family = UnixAddressFamily.AF_INET,
sin_port = Syscall.htons (0),
sin_addr = new InAddr (127, 0, 0, 1),
};
if (Syscall.bind (so1, address) < 0)
UnixMarshal.ThrowExceptionForLastError ();
// Get actual port number using getsockname()
var actualAddress = new SockaddrIn ();
if (Syscall.getsockname (so1, actualAddress) < 0)
UnixMarshal.ThrowExceptionForLastError ();
Assert.AreEqual (actualAddress.sa_family, UnixAddressFamily.AF_INET);
var port = Syscall.ntohs (actualAddress.sin_port);
Assert.IsTrue (port != 0);
var remoteAddress = new SockaddrIn {
sin_family = UnixAddressFamily.AF_INET,
sin_port = Syscall.htons (port),
sin_addr = new InAddr (127, 0, 0, 1),
};
// Send and receive a few bytes
long ret;
var buffer1 = new byte[] { 42, 43, 44 };
fixed (byte* ptr_buffer1 = buffer1) {
var iovecs1 = new Iovec[] {
new Iovec {
iov_base = (IntPtr) ptr_buffer1,
iov_len = (ulong) buffer1.Length,
},
};
var msghdr1 = new Msghdr {
msg_name = remoteAddress,
msg_iov = iovecs1,
msg_iovlen = 1,
};
ret = Syscall.sendmsg (so2, msghdr1, 0);
msghdr1.msg_name = remoteAddress.ToSockaddrStorage ();
if (ret >= 0)
ret = Syscall.sendmsg (so2, msghdr1, 0);
}
if (ret < 0)
UnixMarshal.ThrowExceptionForLastError ();
var senderAddress = new SockaddrIn ();
var senderAddressStorage = new SockaddrStorage ();
var buffer2 = new byte[1024];
var buffer3 = new byte[1024];
fixed (byte* ptr_buffer2 = buffer2, ptr_buffer3 = buffer3) {
var iovecs2 = new Iovec[] {
new Iovec {
iov_base = (IntPtr) ptr_buffer2,
iov_len = (ulong) buffer2.Length,
},
};
var msghdr2 = new Msghdr {
msg_name = senderAddress,
msg_iov = iovecs2,
msg_iovlen = 1,
};
ret = Syscall.recvmsg (so1, msghdr2, 0);
msghdr2.msg_name = senderAddressStorage;
iovecs2[0].iov_base = (IntPtr) ptr_buffer3;
if (ret >= 0)
ret = Syscall.recvmsg (so1, msghdr2, 0);
}
if (ret < 0)
UnixMarshal.ThrowExceptionForLastError ();
Assert.AreEqual (senderAddress.sa_family, UnixAddressFamily.AF_INET);
Assert.AreEqual (senderAddress.sin_addr, new InAddr (127, 0, 0, 1));
var senderAddress2 = SockaddrIn.FromSockaddrStorage (senderAddressStorage);
Assert.AreEqual (senderAddress2.sa_family, UnixAddressFamily.AF_INET);
Assert.AreEqual (senderAddress2.sin_addr, new InAddr (127, 0, 0, 1));
Assert.AreEqual (buffer1.Length, ret);
for (int i = 0; i < buffer1.Length; i++)
Assert.AreEqual (buffer1[i], buffer2[i]);
for (int i = 0; i < buffer1.Length; i++)
Assert.AreEqual (buffer1[i], buffer3[i]);
});
}
public void UnixAccept ()
{
var address = new SockaddrUn (TempFolder + "/socket1");
var address2 = SockaddrUn.FromSockaddrStorage (address.ToSockaddrStorage ());
Assert.AreEqual (address, address2);
WithSockets (UnixAddressFamily.AF_UNIX, UnixSocketType.SOCK_STREAM, 0, (so1, so2) => {
if (Syscall.bind (so1, address) < 0)
UnixMarshal.ThrowExceptionForLastError ();
if (Syscall.listen (so1, 5) < 0)
UnixMarshal.ThrowExceptionForLastError ();
if (Syscall.connect (so2, address) < 0)
UnixMarshal.ThrowExceptionForLastError ();
var address3 = new SockaddrUn ();
if (Syscall.getsockname (so1, address3) < 0)
UnixMarshal.ThrowExceptionForLastError ();
Assert.AreEqual (address, address3);
var address4 = new SockaddrStorage ();
if (Syscall.getsockname (so1, address4) < 0)
UnixMarshal.ThrowExceptionForLastError ();
Assert.AreEqual (UnixAddressFamily.AF_UNIX, address4.sa_family);
Assert.AreEqual (address3, SockaddrUn.FromSockaddrStorage (address4));
var address5 = new SockaddrUn ();
if (Syscall.getsockname (so1, address5) < 0)
UnixMarshal.ThrowExceptionForLastError ();
Assert.AreEqual (UnixAddressFamily.AF_UNIX, address5.sa_family);
// Check getsockname(socket, null)
if (Syscall.getsockname (so1, null) < 0)
UnixMarshal.ThrowExceptionForLastError ();
int so3;
var remote = new SockaddrUn ();
if ((so3 = Syscall.accept (so1, remote)) < 0)
UnixMarshal.ThrowExceptionForLastError ();
try {
// Send and receive a few bytes
long ret;
var buffer1 = new byte[] { 42, 43, 44 };
ret = Syscall.send (so2, buffer1, (ulong) buffer1.Length, 0);
if (ret < 0)
UnixMarshal.ThrowExceptionForLastError ();
var buffer2 = new byte[1024];
ret = Syscall.recv (so3, buffer2, (ulong) buffer2.Length, 0);
if (ret < 0)
UnixMarshal.ThrowExceptionForLastError ();
Assert.AreEqual (buffer1.Length, ret);
for (int i = 0; i < buffer1.Length; i++)
Assert.AreEqual (buffer1[i], buffer2[i]);
} finally {
if (Syscall.close (so3) < 0)
UnixMarshal.ThrowExceptionForLastError ();
}
});
}
public void IPv6 ()
{
if (!Socket.OSSupportsIPv6)
Assert.Ignore ("OS does not support IPv6.");
var address = new SockaddrIn6 {
sin6_family = UnixAddressFamily.AF_INET6,
sin6_port = Syscall.htons (0),
sin6_addr = NativeConvert.ToIn6Addr (IPAddress.IPv6Loopback),
};
WithSockets (UnixAddressFamily.AF_INET6, UnixSocketType.SOCK_STREAM, 0, (so1, so2) => {
if (Syscall.bind (so1, address) < 0)
UnixMarshal.ThrowExceptionForLastError ();
var address1Stor = new SockaddrStorage ();
if (Syscall.getsockname (so1, address1Stor) < 0)
UnixMarshal.ThrowExceptionForLastError ();
var address1 = new SockaddrIn6 ();
address1Stor.CopyTo (address1);
// Check getsockname(socket, null)
if (Syscall.getsockname (so1, null) < 0)
UnixMarshal.ThrowExceptionForLastError ();
var address2 = new SockaddrIn6 ();
if (Syscall.getsockname (so1, address2) < 0)
UnixMarshal.ThrowExceptionForLastError ();
Assert.AreEqual (address1, address2);
Assert.IsTrue (Syscall.ntohs (address1.sin6_port) != 0);
address1.sin6_port = 0;
Assert.AreEqual (address, address1);
var address3 = new Sockaddr ();
if (Syscall.getsockname (so1, address3) < 0)
UnixMarshal.ThrowExceptionForLastError ();
Assert.AreEqual (address.sa_family, address3.sa_family);
// Try to store a sockaddr_in6 into a Sockaddr. Should fail because sockaddr_in6 should be larger than sockaddr_in
var address4 = new SockaddrIn ();
if (Syscall.getsockname (so1, address4) == 0)
Assert.Fail ("getsockname() should have failed");
Assert.AreEqual (Errno.ENOBUFS, Stdlib.GetLastError ());
});
}
public void SockaddrInTest ()
{
var address1 = new SockaddrIn {
sin_family = UnixAddressFamily.AF_INET,
sin_port = Syscall.htons (5678),
sin_addr = NativeConvert.ToInAddr (IPAddress.Loopback),
};
var storage = address1.ToSockaddrStorage ();
var address2 = SockaddrIn.FromSockaddrStorage (storage);
Assert.AreEqual (address1, address2);
var sockaddr = Sockaddr.FromSockaddrStorage (storage);
Assert.AreEqual (sockaddr.sa_family, address1.sa_family);
var storage2 = storage.ToSockaddrStorage ();
Assert.AreEqual (storage, storage2);
var storage3 = new SockaddrStorage (123);
storage2.CopyTo (storage3);
Assert.AreEqual (storage, storage3);
Assert.AreEqual ("{sin_family=AF_INET, sin_port=htons(5678), sin_addr=127.0.0.1}", address1.ToString ());
}
[ExpectedException(typeof(ArgumentOutOfRangeException))] // IPPROTO_UDP not supported
#endif
public unsafe void SendMsgRecvMsgAddress()
{
WithSockets(UnixAddressFamily.AF_INET, UnixSocketType.SOCK_DGRAM, UnixSocketProtocol.IPPROTO_UDP, (so1, so2) => {
// Bind UDP socket so1 to 127.0.0.1 with dynamic port
var address = new SockaddrIn {
sin_family = UnixAddressFamily.AF_INET,
sin_port = Syscall.htons(0),
sin_addr = new InAddr(127, 0, 0, 1),
};
if (Syscall.bind(so1, address) < 0)
{
UnixMarshal.ThrowExceptionForLastError();
}
// Get actual port number using getsockname()
var actualAddress = new SockaddrIn();
if (Syscall.getsockname(so1, actualAddress) < 0)
{
UnixMarshal.ThrowExceptionForLastError();
}
Assert.AreEqual(actualAddress.sa_family, UnixAddressFamily.AF_INET);
var port = Syscall.ntohs(actualAddress.sin_port);
Assert.IsTrue(port != 0);
var remoteAddress = new SockaddrIn {
sin_family = UnixAddressFamily.AF_INET,
sin_port = Syscall.htons(port),
sin_addr = new InAddr(127, 0, 0, 1),
};
// Send and receive a few bytes
long ret;
var buffer1 = new byte[] { 42, 43, 44 };
fixed(byte *ptr_buffer1 = buffer1)
{
var iovecs1 = new Iovec[] {
new Iovec {
iov_base = (IntPtr)ptr_buffer1,
iov_len = (ulong)buffer1.Length,
},
};
var msghdr1 = new Msghdr {
msg_name = remoteAddress,
msg_iov = iovecs1,
msg_iovlen = 1,
};
ret = Syscall.sendmsg(so2, msghdr1, 0);
msghdr1.msg_name = remoteAddress.ToSockaddrStorage();
if (ret >= 0)
{
ret = Syscall.sendmsg(so2, msghdr1, 0);
}
}
if (ret < 0)
{
UnixMarshal.ThrowExceptionForLastError();
}
var senderAddress = new SockaddrIn();
var senderAddressStorage = new SockaddrStorage();
var buffer2 = new byte[1024];
var buffer3 = new byte[1024];
fixed(byte *ptr_buffer2 = buffer2, ptr_buffer3 = buffer3)
{
var iovecs2 = new Iovec[] {
new Iovec {
iov_base = (IntPtr)ptr_buffer2,
iov_len = (ulong)buffer2.Length,
},
};
var msghdr2 = new Msghdr {
msg_name = senderAddress,
msg_iov = iovecs2,
msg_iovlen = 1,
};
ret = Syscall.recvmsg(so1, msghdr2, 0);
msghdr2.msg_name = senderAddressStorage;
iovecs2[0].iov_base = (IntPtr)ptr_buffer3;
if (ret >= 0)
{
ret = Syscall.recvmsg(so1, msghdr2, 0);
}
}
if (ret < 0)
{
UnixMarshal.ThrowExceptionForLastError();
}
Assert.AreEqual(senderAddress.sa_family, UnixAddressFamily.AF_INET);
Assert.AreEqual(senderAddress.sin_addr, new InAddr(127, 0, 0, 1));
var senderAddress2 = SockaddrIn.FromSockaddrStorage(senderAddressStorage);
Assert.AreEqual(senderAddress2.sa_family, UnixAddressFamily.AF_INET);
Assert.AreEqual(senderAddress2.sin_addr, new InAddr(127, 0, 0, 1));
Assert.AreEqual(buffer1.Length, ret);
for (int i = 0; i < buffer1.Length; i++)
{
Assert.AreEqual(buffer1[i], buffer2[i]);
}
for (int i = 0; i < buffer1.Length; i++)
{
Assert.AreEqual(buffer1[i], buffer3[i]);
}
});
}
public void UnixAccept()
{
var address = new SockaddrUn(TempFolder + "/socket1");
var address2 = SockaddrUn.FromSockaddrStorage(address.ToSockaddrStorage());
Assert.AreEqual(address, address2);
WithSockets(UnixAddressFamily.AF_UNIX, UnixSocketType.SOCK_STREAM, 0, (so1, so2) => {
if (Syscall.bind(so1, address) < 0)
{
UnixMarshal.ThrowExceptionForLastError();
}
if (Syscall.listen(so1, 5) < 0)
{
UnixMarshal.ThrowExceptionForLastError();
}
if (Syscall.connect(so2, address) < 0)
{
UnixMarshal.ThrowExceptionForLastError();
}
var address3 = new SockaddrUn();
if (Syscall.getsockname(so1, address3) < 0)
{
UnixMarshal.ThrowExceptionForLastError();
}
Assert.AreEqual(address, address3);
var address4 = new SockaddrStorage();
if (Syscall.getsockname(so1, address4) < 0)
{
UnixMarshal.ThrowExceptionForLastError();
}
Assert.AreEqual(UnixAddressFamily.AF_UNIX, address4.sa_family);
Assert.AreEqual(address3, SockaddrUn.FromSockaddrStorage(address4));
var address5 = new SockaddrUn();
if (Syscall.getsockname(so1, address5) < 0)
{
UnixMarshal.ThrowExceptionForLastError();
}
Assert.AreEqual(UnixAddressFamily.AF_UNIX, address5.sa_family);
// Check getsockname(socket, null)
if (Syscall.getsockname(so1, null) < 0)
{
UnixMarshal.ThrowExceptionForLastError();
}
int so3;
var remote = new SockaddrUn();
if ((so3 = Syscall.accept(so1, remote)) < 0)
{
UnixMarshal.ThrowExceptionForLastError();
}
try {
// Send and receive a few bytes
long ret;
var buffer1 = new byte[] { 42, 43, 44 };
ret = Syscall.send(so2, buffer1, (ulong)buffer1.Length, 0);
if (ret < 0)
{
UnixMarshal.ThrowExceptionForLastError();
}
var buffer2 = new byte[1024];
ret = Syscall.recv(so3, buffer2, (ulong)buffer2.Length, 0);
if (ret < 0)
{
UnixMarshal.ThrowExceptionForLastError();
}
Assert.AreEqual(buffer1.Length, ret);
for (int i = 0; i < buffer1.Length; i++)
{
Assert.AreEqual(buffer1[i], buffer2[i]);
}
} finally {
if (Syscall.close(so3) < 0)
{
UnixMarshal.ThrowExceptionForLastError();
}
}
});
}
