tor_tls_get_buffer_sizes() will not work on openssl 1.1. Patch from yawning

1 files changed, 7 insertions, 6 deletions

diff --git a/src/or/main.c b/src/or/main.c
index d0fe8cbc00..651291b57b 100644
--- a/src/or/main.c
+++ b/src/or/main.c
@@ -2315,12 +2315,13 @@ dumpstats(int severity)
       if (conn->type == CONN_TYPE_OR) {
         or_connection_t *or_conn = TO_OR_CONN(conn);
         if (or_conn->tls) {
-          tor_tls_get_buffer_sizes(or_conn->tls, &rbuf_cap, &rbuf_len,
-                                   &wbuf_cap, &wbuf_len);
-          tor_log(severity, LD_GENERAL,
-              "Conn %d: %d/%d bytes used on OpenSSL read buffer; "
-              "%d/%d bytes used on write buffer.",
-              i, (int)rbuf_len, (int)rbuf_cap, (int)wbuf_len, (int)wbuf_cap);
+          if (tor_tls_get_buffer_sizes(or_conn->tls, &rbuf_cap, &rbuf_len,
+                                       &wbuf_cap, &wbuf_len) == 0) {
+            tor_log(severity, LD_GENERAL,
+                "Conn %d: %d/%d bytes used on OpenSSL read buffer; "
+                "%d/%d bytes used on write buffer.",
+                i, (int)rbuf_len, (int)rbuf_cap, (int)wbuf_len, (int)wbuf_cap);
+          }
         }
       }
     }