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Kernel: Allow sys$bind() on local sockets with short socket address

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Previously, we required local socket addresses to be exactly
sizeof(sockaddr_un). There was no real reason for this, so let's not
enforce it.
This commit is contained in:
Andreas Kling 2022-04-21 16:24:47 +02:00
parent 8e9676c28c
commit 5e4d5a436e
Notes: sideshowbarker 2024-07-17 11:36:52 +09:00
1 changed files with 2 additions and 2 deletions
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4
Kernel/Net/LocalSocket.cpp
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@ -124,11 +124,11 @@ void LocalSocket::get_peer_address(sockaddr* address, socklen_t* address_size)
ErrorOr<void> LocalSocket::bind(Userspace<sockaddr const*> user_address, socklen_t address_size)
{
VERIFY(setup_state() == SetupState::Unstarted);
if (address_size != sizeof(sockaddr_un))
if (address_size > sizeof(sockaddr_un))
return set_so_error(EINVAL);
sockaddr_un address = {};
SOCKET_TRY(copy_from_user(&address, user_address, sizeof(sockaddr_un)));
SOCKET_TRY(copy_from_user(&address, user_address, address_size));
if (address.sun_family != AF_LOCAL)
return set_so_error(EINVAL);