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epee: fix SSL server handshake, run_one() can block, use poll_one()

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This commit is contained in:
xiphon 2019-10-17 02:50:18 +00:00
parent 441ed9f2fe
commit 23ba69ec88
2 changed files with 11 additions and 2 deletions
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1
contrib/epee/include/net/net_ssl.h
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@ -29,6 +29,7 @@
#ifndef _NET_SSL_H #ifndef _NET_SSL_H
#define _NET_SSL_H #define _NET_SSL_H
#include <chrono>
#include <stdint.h> #include <stdint.h>
#include <string> #include <string>
#include <vector> #include <vector>

12
contrib/epee/src/net_ssl.cpp
View File

@ -27,6 +27,7 @@
// THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. // THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
#include <string.h> #include <string.h>
#include <thread>
#include <boost/asio/ssl.hpp> #include <boost/asio/ssl.hpp>
#include <boost/lambda/lambda.hpp> #include <boost/lambda/lambda.hpp>
#include <openssl/ssl.h> #include <openssl/ssl.h>
@ -519,10 +520,17 @@ bool ssl_options_t::handshake(
boost::system::error_code ec = boost::asio::error::would_block; boost::system::error_code ec = boost::asio::error::would_block;
socket.async_handshake(type, boost::lambda::var(ec) = boost::lambda::_1); socket.async_handshake(type, boost::lambda::var(ec) = boost::lambda::_1);
while (ec == boost::asio::error::would_block) if (io_service.stopped())
{ {
io_service.reset(); io_service.reset();
io_service.run_one(); }
while (ec == boost::asio::error::would_block && !io_service.stopped())
{
// should poll_one(), can't run_one() because it can block if there is
// another worker thread executing io_service's tasks
// TODO: once we get Boost 1.66+, replace with run_one_for/run_until
std::this_thread::sleep_for(std::chrono::milliseconds(30));
io_service.poll_one();
} }
if (ec) if (ec)