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IPv4: Save the source address/port together with incoming packet payloads.

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We need the address/port to fill in the out-params in recvfrom().
It should now be more or less possible to create a UDP server. :^)
This commit is contained in:
Andreas Kling 2019-05-04 03:27:50 +02:00
parent c4bb9a3ccb
commit 780d2a08c4
6 changed files with 29 additions and 21 deletions
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4
Kernel/Process.cpp
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@ -2105,9 +2105,9 @@ ssize_t Process::sys$recvfrom(const Syscall::SC_recvfrom_params* params)
if (!validate_write(buffer, buffer_length))
return -EFAULT;
if (addr_length) {
if (!validate_read_typed(addr_length))
if (!validate_write_typed(addr_length))
return -EFAULT;
if (!validate_read(addr, *addr_length))
if (!validate_write(addr, *addr_length))
return -EFAULT;
} else if (addr) {
return -EINVAL;