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Revert "Accept large data transfer over SSL (#1261)"

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This reverts commit 307b729549.
This commit is contained in:
yhirose 2022-07-02 07:18:59 -04:00
parent 305a7abcb9
commit dae318495f
2 changed files with 42 additions and 87 deletions
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85
httplib.h
View file

@ -7228,63 +7228,62 @@ inline bool SSLSocketStream::is_writable() const {
}
inline ssize_t SSLSocketStream::read(char *ptr, size_t size) {
size_t readbytes = 0;
if (SSL_pending(ssl_) > 0) {
auto ret = SSL_read_ex(ssl_, ptr, size, &readbytes);
if (ret == 1) { return static_cast<ssize_t>(readbytes); }
if (SSL_get_error(ssl_, ret) == SSL_ERROR_ZERO_RETURN) { return 0; }
return -1;
}
if (!is_readable()) { return -1; }
auto ret = SSL_read_ex(ssl_, ptr, size, &readbytes);
if (ret == 1) { return static_cast<ssize_t>(readbytes); }
auto err = SSL_get_error(ssl_, ret);
int n = 1000;
return SSL_read(ssl_, ptr, static_cast<int>(size));
} else if (is_readable()) {
auto ret = SSL_read(ssl_, ptr, static_cast<int>(size));
if (ret < 0) {
auto err = SSL_get_error(ssl_, ret);
int n = 1000;
#ifdef _WIN32
while (--n >= 0 &&
(err == SSL_ERROR_WANT_READ ||
(err == SSL_ERROR_SYSCALL && WSAGetLastError() == WSAETIMEDOUT))) {
while (--n >= 0 && (err == SSL_ERROR_WANT_READ ||
(err == SSL_ERROR_SYSCALL &&
WSAGetLastError() == WSAETIMEDOUT))) {
#else
while (--n >= 0 && err == SSL_ERROR_WANT_READ) {
while (--n >= 0 && err == SSL_ERROR_WANT_READ) {
#endif
if (SSL_pending(ssl_) > 0) {
ret = SSL_read_ex(ssl_, ptr, size, &readbytes);
if (ret == 1) { return static_cast<ssize_t>(readbytes); }
if (SSL_get_error(ssl_, ret) == SSL_ERROR_ZERO_RETURN) { return 0; }
return -1;
if (SSL_pending(ssl_) > 0) {
return SSL_read(ssl_, ptr, static_cast<int>(size));
} else if (is_readable()) {
std::this_thread::sleep_for(std::chrono::milliseconds(1));
ret = SSL_read(ssl_, ptr, static_cast<int>(size));
if (ret >= 0) { return ret; }
err = SSL_get_error(ssl_, ret);
} else {
return -1;
}
}
}
if (!is_readable()) { return -1; }
std::this_thread::sleep_for(std::chrono::milliseconds(1));
ret = SSL_read_ex(ssl_, ptr, size, &readbytes);
if (ret == 1) { return static_cast<ssize_t>(readbytes); }
err = SSL_get_error(ssl_, ret);
return ret;
}
if (err == SSL_ERROR_ZERO_RETURN) { return 0; }
return -1;
}
inline ssize_t SSLSocketStream::write(const char *ptr, size_t size) {
if (!is_writable()) { return -1; }
size_t written = 0;
auto ret = SSL_write_ex(ssl_, ptr, size, &written);
if (ret == 1) { return static_cast<ssize_t>(written); }
auto err = SSL_get_error(ssl_, ret);
int n = 1000;
if (is_writable()) {
auto ret = SSL_write(ssl_, ptr, static_cast<int>(size));
if (ret < 0) {
auto err = SSL_get_error(ssl_, ret);
int n = 1000;
#ifdef _WIN32
while (--n >= 0 &&
(err == SSL_ERROR_WANT_WRITE ||
(err == SSL_ERROR_SYSCALL && WSAGetLastError() == WSAETIMEDOUT))) {
while (--n >= 0 && (err == SSL_ERROR_WANT_WRITE ||
(err == SSL_ERROR_SYSCALL &&
WSAGetLastError() == WSAETIMEDOUT))) {
#else
while (--n >= 0 && err == SSL_ERROR_WANT_WRITE) {
while (--n >= 0 && err == SSL_ERROR_WANT_WRITE) {
#endif
if (!is_writable()) { return -1; }
std::this_thread::sleep_for(std::chrono::milliseconds(1));
ret = SSL_write_ex(ssl_, ptr, size, &written);
if (ret == 1) { return static_cast<ssize_t>(written); }
err = SSL_get_error(ssl_, ret);
if (is_writable()) {
std::this_thread::sleep_for(std::chrono::milliseconds(1));
ret = SSL_write(ssl_, ptr, static_cast<int>(size));
if (ret >= 0) { return ret; }
err = SSL_get_error(ssl_, ret);
} else {
return -1;
}
}
}
return ret;
}
if (err == SSL_ERROR_ZERO_RETURN) { return 0; }
return -1;
}

44
test/test.cc
View file

@ -4660,50 +4660,6 @@ TEST(SSLClientServerTest, CustomizeServerSSLCtx) {
t.join();
}
// Disabled due to the out-of-memory problem on GitHub Actions Workflows
TEST(SSLClientServerTest, DISABLED_LargeDataTransfer) {
// prepare large data
std::random_device seed_gen;
std::mt19937 random(seed_gen());
constexpr auto large_size_byte = 2147483648UL + 1048576UL; // 2GiB + 1MiB
std::vector<std::uint32_t> binary(large_size_byte / sizeof(std::uint32_t));
std::generate(binary.begin(), binary.end(), [&random]() { return random(); });
// server
SSLServer svr(SERVER_CERT_FILE, SERVER_PRIVATE_KEY_FILE);
ASSERT_TRUE(svr.is_valid());
svr.Post("/binary", [&](const Request &req, Response &res) {
EXPECT_EQ(large_size_byte, req.body.size());
EXPECT_EQ(0, std::memcmp(binary.data(), req.body.data(), large_size_byte));
res.set_content(req.body, "application/octet-stream");
});
auto listen_thread = std::thread([&svr]() { svr.listen("localhost", PORT); });
while (!svr.is_running()) {
std::this_thread::sleep_for(std::chrono::milliseconds(1));
}
// client POST
SSLClient cli("localhost", PORT);
cli.enable_server_certificate_verification(false);
cli.set_read_timeout(std::chrono::seconds(100));
cli.set_write_timeout(std::chrono::seconds(100));
auto res = cli.Post("/binary", reinterpret_cast<char *>(binary.data()),
large_size_byte, "application/octet-stream");
// compare
EXPECT_EQ(200, res->status);
EXPECT_EQ(large_size_byte, res->body.size());
EXPECT_EQ(0, std::memcmp(binary.data(), res->body.data(), large_size_byte));
// cleanup
svr.stop();
listen_thread.join();
ASSERT_FALSE(svr.is_running());
}
#endif
#ifdef _WIN32