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Kernel+LibC+Userland: Start working on an IPv4 socket backend.

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The first userland networking program will be "ping" :^)
This commit is contained in:
Andreas Kling
2019-03-12 15:51:42 +01:00
parent 8e667747f0
commit a017a77442
23 changed files with 374 additions and 3 deletions
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26
Kernel/Process.cpp
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@@ -2515,6 +2515,32 @@ KResult Process::wait_for_connect(Socket& socket)
return KSuccess;
}
ssize_t Process::sys$sendto(const Syscall::SC_sendto_params* params)
{
if (!validate_read_typed(params))
return -EFAULT;
int sockfd = params->sockfd;
const void* data = params->data;
size_t data_length = params->data_length;
int flags = params->flags;
auto* addr = (const sockaddr*)params->addr;
auto addr_length = (socklen_t)params->addr_length;
if (!validate_read(data, data_length))
return -EFAULT;
if (!validate_read(addr, addr_length))
return -EFAULT;
auto* descriptor = file_descriptor(sockfd);
if (!descriptor)
return -EBADF;
if (!descriptor->is_socket())
return -ENOTSOCK;
auto& socket = *descriptor->socket();
kprintf("sendto %p (%u), flags=%u, addr: %p (%u)\n", data, data_length, flags, addr, addr_length);
return socket.sendto(data, data_length, flags, addr, addr_length);
}
struct SharedBuffer {
SharedBuffer(pid_t pid1, pid_t pid2, int size)
: m_pid1(pid1)