Retry SSL_read on ERROR_WANT_READ.
This resolves the retry issue in general, but also the specific case where a TLS 1.3 server sends a post-handshake NewSessionTicket message prior to appdata.
@@ -240,8 +240,8 @@ int s_time_main(int argc, char **argv)
www_path);
if (buf_len <= 0 || SSL_write(scon, buf, buf_len) <= 0)
goto end;
- while ((i = SSL_read(scon, buf, sizeof(buf))) > 0)
- bytes_read += i;
+ while ((i = SSL_read(scon, buf, sizeof(buf))) > 0 || SSL_get_error(scon, i) == SSL_ERROR_WANT_READ)
+ if (i > 0) bytes_read += i;
}
#ifdef NO_SHUTDOWN
SSL_set_shutdown(scon, SSL_SENT_SHUTDOWN | SSL_RECEIVED_SHUTDOWN);
@@ -297,7 +297,7 @@ int s_time_main(int argc, char **argv)
buf_len = BIO_snprintf(buf, sizeof(buf), fmt_http_get_cmd, www_path);
if (buf_len <= 0 || SSL_write(scon, buf, buf_len) <= 0)
goto end;
- while (SSL_read(scon, buf, sizeof(buf)) > 0)
+ while ((i = SSL_read(scon, buf, sizeof(buf))) > 0 || SSL_get_error(scon, i) == SSL_ERROR_WANT_READ)
continue;
}
#ifdef NO_SHUTDOWN
@@ -328,8 +328,8 @@ int s_time_main(int argc, char **argv)
www_path);
if (buf_len <= 0 || SSL_write(scon, buf, buf_len) <= 0)
goto end;
- while ((i = SSL_read(scon, buf, sizeof(buf))) > 0)
- bytes_read += i;
+ while ((i = SSL_read(scon, buf, sizeof(buf))) > 0 || SSL_get_error(scon, i) == SSL_ERROR_WANT_READ)
+ if (i > 0) bytes_read += i;
}
#ifdef NO_SHUTDOWN
SSL_set_shutdown(scon, SSL_SENT_SHUTDOWN | SSL_RECEIVED_SHUTDOWN);
