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Everywhere: Convert ByteBuffer factory methods from Optional -> ErrorOr

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Apologies for the enormous commit, but I don't see a way to split this
up nicely. In the vast majority of cases it's a simple change. A few
extra places can use TRY instead of manual error checking though. :^)
This commit is contained in:
Sam Atkins 2022-01-20 17:47:39 +00:00 • committed by Andreas Kling
parent 140f1d9e55
commit 45cf40653a
79 changed files with 202 additions and 274 deletions
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16
Userland/Libraries/LibTLS/Record.cpp
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@ -104,7 +104,7 @@ void TLSv12::update_packet(ByteBuffer& packet)
if (m_context.crypto.created == 1) {
// `buffer' will continue to be encrypted
auto buffer_result = ByteBuffer::create_uninitialized(length);
if (!buffer_result.has_value()) {
if (buffer_result.is_error()) {
dbgln("LibTLS: Failed to allocate enough memory");
VERIFY_NOT_REACHED();
}
@ -124,7 +124,7 @@ void TLSv12::update_packet(ByteBuffer& packet)
VERIFY(is_aead());
// We need enough space for a header, the data, a tag, and the IV
auto ct_buffer_result = ByteBuffer::create_uninitialized(length + header_size + iv_size + 16);
if (!ct_buffer_result.has_value()) {
if (ct_buffer_result.is_error()) {
dbgln("LibTLS: Failed to allocate enough memory for the ciphertext");
VERIFY_NOT_REACHED();
}
@ -178,7 +178,7 @@ void TLSv12::update_packet(ByteBuffer& packet)
VERIFY(!is_aead());
// We need enough space for a header, iv_length bytes of IV and whatever the packet contains
auto ct_buffer_result = ByteBuffer::create_uninitialized(length + header_size + iv_size);
if (!ct_buffer_result.has_value()) {
if (ct_buffer_result.is_error()) {
dbgln("LibTLS: Failed to allocate enough memory for the ciphertext");
VERIFY_NOT_REACHED();
}
@ -201,7 +201,7 @@ void TLSv12::update_packet(ByteBuffer& packet)
VERIFY(buffer_position == buffer.size());
auto iv_buffer_result = ByteBuffer::create_uninitialized(iv_size);
if (!iv_buffer_result.has_value()) {
if (iv_buffer_result.is_error()) {
dbgln("LibTLS: Failed to allocate memory for IV");
VERIFY_NOT_REACHED();
}
@ -293,14 +293,14 @@ ByteBuffer TLSv12::hmac_message(ReadonlyBytes buf, const Optional<ReadonlyBytes>
}
auto digest = hmac.digest();
auto mac_result = ByteBuffer::copy(digest.immutable_data(), digest.data_length());
if (!mac_result.has_value()) {
if (mac_result.is_error()) {
dbgln("Failed to calculate message HMAC: Not enough memory");
return {};
}
if constexpr (TLS_DEBUG) {
dbgln("HMAC of the block for sequence number {}", sequence_number);
print_buffer(*mac_result);
print_buffer(mac_result.value());
}
return mac_result.release_value();
@ -367,7 +367,7 @@ ssize_t TLSv12::handle_message(ReadonlyBytes buffer)
auto packet_length = length - iv_length() - 16;
auto payload = plain;
auto decrypted_result = ByteBuffer::create_uninitialized(packet_length);
if (!decrypted_result.has_value()) {
if (decrypted_result.is_error()) {
dbgln("Failed to allocate memory for the packet");
return_value = Error::DecryptionFailed;
return;
@ -431,7 +431,7 @@ ssize_t TLSv12::handle_message(ReadonlyBytes buffer)
auto iv_size = iv_length();
auto decrypted_result = cbc.create_aligned_buffer(length - iv_size);
if (!decrypted_result.has_value()) {
if (decrypted_result.is_error()) {
dbgln("Failed to allocate memory for the packet");
return_value = Error::DecryptionFailed;
return;