RGBCube/serenity
1
Fork 0
mirror of https://github.com/RGBCube/serenity synced 2025-05-31 05:48:12 +00:00
Code Issues Activity Actions

Kernel+LibC+Userland: Yet more networking bringup hacking.

Browse source 
All ICMP sockets now receive all ICMP packets. All this buffering is gonna
need some limits and such.
This commit is contained in:
Andreas Kling 2019-03-12 17:27:07 +01:00
parent a017a77442
commit a7d5e9781a
14 changed files with 178 additions and 2 deletions
Download patch file Download diff file Expand all files Collapse all files

27
Kernel/Process.cpp
View file

@ -2541,6 +2541,32 @@ ssize_t Process::sys$sendto(const Syscall::SC_sendto_params* params)
return socket.sendto(data, data_length, flags, addr, addr_length);
}
ssize_t Process::sys$recvfrom(const Syscall::SC_recvfrom_params* params)
{
if (!validate_read_typed(params))
return -EFAULT;
int sockfd = params->sockfd;
void* buffer = params->buffer;
size_t buffer_length = params->buffer_length;
int flags = params->flags;
auto* addr = (const sockaddr*)params->addr;
auto addr_length = (socklen_t)params->addr_length;
if (!validate_write(buffer, buffer_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("recvfrom %p (%u), flags=%u, addr: %p (%u)\n", buffer, buffer_length, flags, addr, addr_length);
return socket.recvfrom(buffer, buffer_length, flags, addr, addr_length);
}
struct SharedBuffer {
SharedBuffer(pid_t pid1, pid_t pid2, int size)
: m_pid1(pid1)
@ -2780,6 +2806,7 @@ const char* to_string(Process::State state)
case Process::BlockedSelect: return "Select";
case Process::BlockedLurking: return "Lurking";
case Process::BlockedConnect: return "Connect";
case Process::BlockedReceive: return "Receive";
case Process::BeingInspected: return "Inspect";
}
kprintf("to_string(Process::State): Invalid state: %u\n", state);