b84674b2d2
Change-Id: I84abfedc30e4c34e42285f3c366c2f504a3b9cf2 Reviewed-on: https://boringssl-review.googlesource.com/c/34144 Commit-Queue: Steven Valdez <svaldez@google.com> Reviewed-by: David Benjamin <davidben@google.com>
116 lines
3.1 KiB
C++
116 lines
3.1 KiB
C++
/* Copyright (c) 2018, Google Inc.
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*
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* Permission to use, copy, modify, and/or distribute this software for any
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* purpose with or without fee is hereby granted, provided that the above
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* copyright notice and this permission notice appear in all copies.
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*
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* THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
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* WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
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* MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY
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* SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
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* WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION
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* OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN
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* CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. */
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#include "settings_writer.h"
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#include <stdio.h>
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#include <openssl/ssl.h>
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#include "fuzzer_tags.h"
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#include "test_config.h"
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SettingsWriter::SettingsWriter() {}
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bool SettingsWriter::Init(int i, const TestConfig *config,
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SSL_SESSION *session) {
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if (config->write_settings.empty()) {
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return true;
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}
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// Treat write_settings as a path prefix for each connection in the run.
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char buf[DECIMAL_SIZE(int)];
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snprintf(buf, sizeof(buf), "%d", i);
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path_ = config->write_settings + buf;
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if (!CBB_init(cbb_.get(), 64)) {
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return false;
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}
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if (session != nullptr) {
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uint8_t *data;
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size_t len;
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if (!SSL_SESSION_to_bytes(session, &data, &len)) {
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return false;
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}
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bssl::UniquePtr<uint8_t> free_data(data);
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CBB child;
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if (!CBB_add_u16(cbb_.get(), kSessionTag) ||
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!CBB_add_u24_length_prefixed(cbb_.get(), &child) ||
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!CBB_add_bytes(&child, data, len) || !CBB_flush(cbb_.get())) {
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return false;
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}
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}
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if (config->is_server &&
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(config->require_any_client_certificate || config->verify_peer) &&
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!CBB_add_u16(cbb_.get(), kRequestClientCert)) {
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return false;
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}
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return true;
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}
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bool SettingsWriter::Commit() {
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if (path_.empty()) {
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return true;
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}
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uint8_t *settings;
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size_t settings_len;
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if (!CBB_add_u16(cbb_.get(), kDataTag) ||
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!CBB_finish(cbb_.get(), &settings, &settings_len)) {
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return false;
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}
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bssl::UniquePtr<uint8_t> free_settings(settings);
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using ScopedFILE = std::unique_ptr<FILE, decltype(&fclose)>;
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ScopedFILE file(fopen(path_.c_str(), "w"), fclose);
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if (!file) {
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return false;
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}
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return fwrite(settings, settings_len, 1, file.get()) == 1;
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}
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bool SettingsWriter::WriteHandoff(bssl::Span<const uint8_t> handoff) {
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if (path_.empty()) {
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return true;
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}
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CBB child;
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if (!CBB_add_u16(cbb_.get(), kHandoffTag) ||
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!CBB_add_u24_length_prefixed(cbb_.get(), &child) ||
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!CBB_add_bytes(&child, handoff.data(), handoff.size()) ||
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!CBB_flush(cbb_.get())) {
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return false;
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}
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return true;
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}
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bool SettingsWriter::WriteHandback(bssl::Span<const uint8_t> handback) {
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if (path_.empty()) {
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return true;
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}
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CBB child;
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if (!CBB_add_u16(cbb_.get(), kHandbackTag) ||
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!CBB_add_u24_length_prefixed(cbb_.get(), &child) ||
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!CBB_add_bytes(&child, handback.data(), handback.size()) ||
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!CBB_flush(cbb_.get())) {
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return false;
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}
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return true;
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}
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