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#pragma once
#include "http.h"
#include "http_proxy.h"
namespace NHttp {
struct TPlainSocketImpl : virtual public THttpConfig {
TIntrusivePtr<TSocketDescriptor> Socket;
TPlainSocketImpl()
: Socket(new TSocketDescriptor())
{}
TPlainSocketImpl(TIntrusivePtr<TSocketDescriptor> socket)
: Socket(std::move(socket))
{}
SOCKET GetRawSocket() const {
return static_cast<SOCKET>(Socket->Socket);
}
void SetNonBlock(bool nonBlock = true) noexcept {
try {
::SetNonBlock(Socket->Socket, nonBlock);
}
catch (const yexception&) {
}
}
void SetTimeout(TDuration timeout) noexcept {
try {
::SetSocketTimeout(Socket->Socket, timeout.Seconds(), timeout.MilliSecondsOfSecond());
}
catch (const yexception&) {
}
}
void Shutdown() {
//Socket->Socket.ShutDown(SHUT_RDWR); // KIKIMR-3895
::shutdown(Socket->Socket, SHUT_RDWR);
}
int Connect(const SocketAddressType& address) {
return Socket->Socket.Connect(&address);
}
static constexpr int OnConnect(bool&, bool&) {
return 1;
}
static constexpr int OnAccept(const TEndpointInfo&, bool&, bool&) {
return 1;
}
bool IsGood() {
int res;
GetSockOpt(Socket->Socket, SOL_SOCKET, SO_ERROR, res);
return res == 0;
}
int GetError() {
int res;
GetSockOpt(Socket->Socket, SOL_SOCKET, SO_ERROR, res);
return res;
}
ssize_t Send(const void* data, size_t size, bool&, bool&) {
return Socket->Socket.Send(data, size);
}
ssize_t Recv(void* data, size_t size, bool&, bool&) {
return Socket->Socket.Recv(data, size);
}
};
struct TSecureSocketImpl : TPlainSocketImpl, TSslHelpers {
static TSecureSocketImpl* IO(BIO* bio) noexcept {
return static_cast<TSecureSocketImpl*>(BIO_get_data(bio));
}
static int IoWrite(BIO* bio, const char* data, int dlen) noexcept {
BIO_clear_retry_flags(bio);
int res = IO(bio)->Socket->Socket.Send(data, dlen);
if (-res == EAGAIN) {
BIO_set_retry_write(bio);
}
return res;
}
static int IoRead(BIO* bio, char* data, int dlen) noexcept {
BIO_clear_retry_flags(bio);
int res = IO(bio)->Socket->Socket.Recv(data, dlen);
if (-res == EAGAIN) {
BIO_set_retry_read(bio);
}
return res;
}
static int IoPuts(BIO* bio, const char* buf) noexcept {
Y_UNUSED(bio);
Y_UNUSED(buf);
return -2;
}
static int IoGets(BIO* bio, char* buf, int size) noexcept {
Y_UNUSED(bio);
Y_UNUSED(buf);
Y_UNUSED(size);
return -2;
}
static long IoCtrl(BIO* bio, int cmd, long larg, void* parg) noexcept {
Y_UNUSED(larg);
Y_UNUSED(parg);
if (cmd == BIO_CTRL_FLUSH) {
IO(bio)->Flush();
return 1;
}
return -2;
}
static int IoCreate(BIO* bio) noexcept {
BIO_set_data(bio, nullptr);
BIO_set_init(bio, 1);
return 1;
}
static int IoDestroy(BIO* bio) noexcept {
BIO_set_data(bio, nullptr);
BIO_set_init(bio, 0);
return 1;
}
static BIO_METHOD* CreateIoMethod() {
BIO_METHOD* method = BIO_meth_new(BIO_get_new_index() | BIO_TYPE_SOURCE_SINK, "SecureSocketImpl");
BIO_meth_set_write(method, IoWrite);
BIO_meth_set_read(method, IoRead);
BIO_meth_set_puts(method, IoPuts);
BIO_meth_set_gets(method, IoGets);
BIO_meth_set_ctrl(method, IoCtrl);
BIO_meth_set_create(method, IoCreate);
BIO_meth_set_destroy(method, IoDestroy);
return method;
}
static BIO_METHOD* IoMethod() {
static BIO_METHOD* method = CreateIoMethod();
return method;
}
TSslHolder<BIO> Bio;
TSslHolder<SSL_CTX> Ctx;
TSslHolder<SSL> Ssl;
TSecureSocketImpl() = default;
TSecureSocketImpl(TIntrusivePtr<TSocketDescriptor> socket)
: TPlainSocketImpl(std::move(socket))
{}
void InitClientSsl() {
Bio.Reset(BIO_new(IoMethod()));
BIO_set_data(Bio.Get(), this);
BIO_set_nbio(Bio.Get(), 1);
Ctx = CreateClientContext();
Ssl = ConstructSsl(Ctx.Get(), Bio.Get());
SSL_set_connect_state(Ssl.Get());
}
void InitServerSsl(SSL_CTX* ctx) {
Bio.Reset(BIO_new(IoMethod()));
BIO_set_data(Bio.Get(), this);
BIO_set_nbio(Bio.Get(), 1);
Ssl = ConstructSsl(ctx, Bio.Get());
SSL_set_accept_state(Ssl.Get());
}
void Flush() {}
ssize_t Send(const void* data, size_t size, bool& read, bool& write) {
ssize_t res = SSL_write(Ssl.Get(), data, size);
if (res < 0) {
res = SSL_get_error(Ssl.Get(), res);
switch(res) {
case SSL_ERROR_WANT_READ:
read = true;
return -EAGAIN;
case SSL_ERROR_WANT_WRITE:
write = true;
return -EAGAIN;
default:
return -EIO;
}
}
return res;
}
ssize_t Recv(void* data, size_t size, bool& read, bool& write) {
ssize_t res = SSL_read(Ssl.Get(), data, size);
if (res < 0) {
res = SSL_get_error(Ssl.Get(), res);
switch(res) {
case SSL_ERROR_WANT_READ:
read = true;
return -EAGAIN;
case SSL_ERROR_WANT_WRITE:
write = true;
return -EAGAIN;
default:
return -EIO;
}
}
return res;
}
int OnConnect(bool& read, bool& write) {
if (!Ssl) {
InitClientSsl();
}
int res = SSL_connect(Ssl.Get());
if (res <= 0) {
res = SSL_get_error(Ssl.Get(), res);
switch(res) {
case SSL_ERROR_WANT_READ:
read = true;
return -EAGAIN;
case SSL_ERROR_WANT_WRITE:
write = true;
return -EAGAIN;
default:
return -EIO;
}
}
return res;
}
int OnAccept(const TEndpointInfo& endpoint, bool& read, bool& write) {
if (!Ssl) {
InitServerSsl(endpoint.SecureContext.Get());
}
int res = SSL_accept(Ssl.Get());
if (res <= 0) {
res = SSL_get_error(Ssl.Get(), res);
switch(res) {
case SSL_ERROR_WANT_READ:
read = true;
return -EAGAIN;
case SSL_ERROR_WANT_WRITE:
write = true;
return -EAGAIN;
default:
return -EIO;
}
}
return res;
}
};
}
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