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Kernel: Use Userspace<T> for the setsockopt syscall

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This commit is contained in:
Brian Gianforcaro 2020-08-07 00:18:20 -07:00 • committed by Andreas Kling
parent 9f685ac30a
commit 6920d5f423
7 changed files with 12 additions and 11 deletions
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9
Kernel/Net/Socket.cpp
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@ -101,24 +101,25 @@ KResult Socket::queue_connection_from(NonnullRefPtr<Socket> peer)
return KSuccess;
}
KResult Socket::setsockopt(int level, int option, const void* user_value, socklen_t user_value_size)
KResult Socket::setsockopt(int level, int option, Userspace<const void*> user_value, socklen_t user_value_size)
{
ASSERT(level == SOL_SOCKET);
switch (option) {
case SO_SNDTIMEO:
if (user_value_size != sizeof(timeval))
return KResult(-EINVAL);
copy_from_user(&m_send_timeout, (const timeval*)user_value);
copy_from_user(&m_send_timeout, static_ptr_cast<const timeval*>(user_value));
return KSuccess;
case SO_RCVTIMEO:
if (user_value_size != sizeof(timeval))
return KResult(-EINVAL);
copy_from_user(&m_receive_timeout, (const timeval*)user_value);
copy_from_user(&m_receive_timeout, static_ptr_cast<const timeval*>(user_value));
return KSuccess;
case SO_BINDTODEVICE: {
if (user_value_size != IFNAMSIZ)
return KResult(-EINVAL);
auto ifname = Process::current()->validate_and_copy_string_from_user((const char*)user_value, user_value_size);
auto user_string = static_ptr_cast<const char*>(user_value);
auto ifname = Process::current()->validate_and_copy_string_from_user(user_string, user_value_size);
if (ifname.is_null())
return KResult(-EFAULT);
auto device = NetworkAdapter::lookup_by_name(ifname);