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Kernel: Ignore MSG_NOSIGNAL and invalid flags

This commit is contained in:
Bananymous 2025-11-12 03:33:14 +02:00
parent e06c07ca89
commit 59cfc339b0
3 changed files with 14 additions and 2 deletions
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4
kernel/kernel/Networking/TCPSocket.cpp
View File

@ -192,6 +192,7 @@ namespace Kernel
BAN::ErrorOr<size_t> TCPSocket::recvmsg_impl(msghdr& message, int flags) BAN::ErrorOr<size_t> TCPSocket::recvmsg_impl(msghdr& message, int flags)
{ {
flags &= (MSG_OOB | MSG_PEEK | MSG_WAITALL);
if (flags != 0) if (flags != 0)
{ {
dwarnln("TODO: recvmsg with flags 0x{H}", flags); dwarnln("TODO: recvmsg with flags 0x{H}", flags);
@ -239,6 +240,9 @@ namespace Kernel
BAN::ErrorOr<size_t> TCPSocket::sendmsg_impl(const msghdr& message, int flags) BAN::ErrorOr<size_t> TCPSocket::sendmsg_impl(const msghdr& message, int flags)
{ {
if (flags & MSG_NOSIGNAL)
dwarnln("sendmsg ignoring MSG_NOSIGNAL");
flags &= (MSG_EOR | MSG_OOB /* | MSG_NOSIGNAL */);
if (flags != 0) if (flags != 0)
{ {
dwarnln("TODO: sendmsg with flags 0x{H}", flags); dwarnln("TODO: sendmsg with flags 0x{H}", flags);

8
kernel/kernel/Networking/UDPSocket.cpp
View File

@ -88,6 +88,7 @@ namespace Kernel
BAN::ErrorOr<size_t> UDPSocket::recvmsg_impl(msghdr& message, int flags) BAN::ErrorOr<size_t> UDPSocket::recvmsg_impl(msghdr& message, int flags)
{ {
flags &= (MSG_OOB | MSG_PEEK | MSG_WAITALL);
if (flags != 0) if (flags != 0)
{ {
dwarnln("TODO: recvmsg with flags 0x{H}", flags); dwarnln("TODO: recvmsg with flags 0x{H}", flags);
@ -153,14 +154,17 @@ namespace Kernel
BAN::ErrorOr<size_t> UDPSocket::sendmsg_impl(const msghdr& message, int flags) BAN::ErrorOr<size_t> UDPSocket::sendmsg_impl(const msghdr& message, int flags)
{ {
if (flags & MSG_NOSIGNAL)
dwarnln("sendmsg ignoring MSG_NOSIGNAL");
flags &= (MSG_EOR | MSG_OOB /* | MSG_NOSIGNAL */);
if (flags != 0) if (flags != 0)
{ {
dwarnln("TODO: recvmsg with flags 0x{H}", flags); dwarnln("TODO: sendmsg with flags 0x{H}", flags);
return BAN::Error::from_errno(ENOTSUP); return BAN::Error::from_errno(ENOTSUP);
} }
if (CMSG_FIRSTHDR(&message)) if (CMSG_FIRSTHDR(&message))
dwarnln("ignoring recvmsg control message"); dwarnln("ignoring sendmsg control message");
if (!is_bound()) if (!is_bound())
TRY(m_network_layer.bind_socket_to_unused(this, static_cast<sockaddr*>(message.msg_name), message.msg_namelen)); TRY(m_network_layer.bind_socket_to_unused(this, static_cast<sockaddr*>(message.msg_name), message.msg_namelen));

4
kernel/kernel/Networking/UNIX/Socket.cpp
View File

@ -361,6 +361,7 @@ namespace Kernel
BAN::ErrorOr<size_t> UnixDomainSocket::recvmsg_impl(msghdr& message, int flags) BAN::ErrorOr<size_t> UnixDomainSocket::recvmsg_impl(msghdr& message, int flags)
{ {
flags &= (MSG_OOB | MSG_PEEK | MSG_WAITALL);
if (flags != 0) if (flags != 0)
{ {
dwarnln("TODO: recvmsg with flags 0x{H}", flags); dwarnln("TODO: recvmsg with flags 0x{H}", flags);
@ -455,6 +456,9 @@ namespace Kernel
BAN::ErrorOr<size_t> UnixDomainSocket::sendmsg_impl(const msghdr& message, int flags) BAN::ErrorOr<size_t> UnixDomainSocket::sendmsg_impl(const msghdr& message, int flags)
{ {
if (flags & MSG_NOSIGNAL)
dwarnln("sendmsg ignoring MSG_NOSIGNAL");
flags &= (MSG_EOR | MSG_OOB /* | MSG_NOSIGNAL */);
if (flags != 0) if (flags != 0)
{ {
dwarnln("TODO: sendmsg with flags 0x{H}", flags); dwarnln("TODO: sendmsg with flags 0x{H}", flags);