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IPv4: Include IP headers when receiving from a raw socket

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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! :^)
This commit is contained in:
Andreas Kling 2020-10-31 11:32:33 +01:00
parent 982e066100
commit e06d8d94da
Notes: sideshowbarker 2024-07-19 01:37:19 +09:00
1 changed files with 2 additions and 3 deletions
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5
Kernel/Net/IPv4Socket.cpp
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@ -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;
}