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Kernel: Implement basic recvfrom

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Bananymous
2024-02-02 13:50:00 +02:00
parent 7b287a1d5b
commit 0f154c3173
20 changed files with 339 additions and 116 deletions
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24
kernel/kernel/Process.cpp
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@@ -915,7 +915,6 @@ namespace Kernel
return 0;
}
BAN::ErrorOr<long> Process::sys_sendto(const sys_sendto_t* arguments)
{
LockGuard _(m_lock);
@@ -930,6 +929,29 @@ namespace Kernel
return TRY(inode->sendto(arguments));
}
BAN::ErrorOr<long> Process::sys_recvfrom(sys_recvfrom_t* arguments)
{
if (arguments->address && !arguments->address_len)
return BAN::Error::from_errno(EINVAL);
if (!arguments->address && arguments->address_len)
return BAN::Error::from_errno(EINVAL);
LockGuard _(m_lock);
TRY(validate_pointer_access(arguments, sizeof(sys_recvfrom_t)));
TRY(validate_pointer_access(arguments->buffer, arguments->length));
if (arguments->address)
{
TRY(validate_pointer_access(arguments->address_len, sizeof(*arguments->address_len)));
TRY(validate_pointer_access(arguments->address, *arguments->address_len));
}
auto inode = TRY(m_open_file_descriptors.inode_of(arguments->socket));
if (!inode->mode().ifsock())
return BAN::Error::from_errno(ENOTSOCK);
return TRY(inode->recvfrom(arguments));
}
BAN::ErrorOr<long> Process::sys_pipe(int fildes[2])
{
LockGuard _(m_lock);