ustream-openssl: clear error stack before SSL_read/SSL_write

[project/ustream-ssl.git] / ustream-openssl.c

diff --git a/ustream-openssl.c b/ustream-openssl.c
index 049aa407168c2e3d283321e8f4fb778ca3d19cb6..f8e848d69fb3244ff296375288d9de62984c93df 100644 (file)
--- a/ustream-openssl.c
+++ b/ustream-openssl.c
@@ -266,6 +266,8 @@ __hidden enum ssl_conn_status __ustream_ssl_connect(struct ustream_ssl *us)
        void *ssl = us->ssl;
        int r;
 
+       ERR_clear_error();
+
        if (us->server)
                r = SSL_accept(ssl);
        else
@@ -287,7 +289,11 @@ __hidden enum ssl_conn_status __ustream_ssl_connect(struct ustream_ssl *us)
 __hidden int __ustream_ssl_write(struct ustream_ssl *us, const char *buf, int len)
 {
        void *ssl = us->ssl;
-       int ret = SSL_write(ssl, buf, len);
+       int ret;
+
+       ERR_clear_error();
+
+       ret = SSL_write(ssl, buf, len);
 
        if (ret < 0) {
                int err = SSL_get_error(ssl, ret);
@@ -303,7 +309,11 @@ __hidden int __ustream_ssl_write(struct ustream_ssl *us, const char *buf, int le
 
 __hidden int __ustream_ssl_read(struct ustream_ssl *us, char *buf, int len)
 {
-       int ret = SSL_read(us->ssl, buf, len);
+       int ret;
+
+       ERR_clear_error();
+
+       ret = SSL_read(us->ssl, buf, len);
 
        if (ret < 0) {
                ret = SSL_get_error(us->ssl, ret);