IPv4: Include IP headers when receiving from a raw socket

We were stripping the L3 headers from packets received on raw sockets.
This didn't match what other systems do, so let's adjust our behavior.

Thanks to @SpencerCDixon for noticing this! :^)

1 files changed, 2 insertions, 3 deletions

diff --git a/Kernel/Net/IPv4Socket.cpp b/Kernel/Net/IPv4Socket.cpp
index 98d400456e..a6011acc71 100644
--- a/Kernel/Net/IPv4Socket.cpp
+++ b/Kernel/Net/IPv4Socket.cpp
@@ -331,7 +331,6 @@ KResultOr<size_t> IPv4Socket::receive_packet_buffered(FileDescription& descripti
 #endif
     }
     ASSERT(packet.data.has_value());
-    auto& ipv4_packet = *(const IPv4Packet*)(packet.data.value().data());
 
     packet_timestamp = packet.timestamp;
 
@@ -355,8 +354,8 @@ KResultOr<size_t> IPv4Socket::receive_packet_buffered(FileDescription& descripti
     }
 
     if (type() == SOCK_RAW) {
-        size_t bytes_written = min((size_t)ipv4_packet.payload_size(), buffer_length);
-        if (!buffer.write(ipv4_packet.payload(), bytes_written))
+        size_t bytes_written = min(packet.data.value().size(), buffer_length);
+        if (!buffer.write(packet.data.value().data(), bytes_written))
             return KResult(-EFAULT);
         return bytes_written;
     }