work around the stupid semantics of SSL_read and SSL_write to make sure

we can indicate an EOF properly on tls_read and tls_write
ok jsing@

1 files changed, 3 insertions, 3 deletions

diff --git a/src/lib/libtls/tls.c b/src/lib/libtls/tls.c
index 4f89a40be4..3012ea62a6 100644
--- a/src/lib/libtls/tls.c
+++ b/src/lib/libtls/tls.c
@@ -1,4 +1,4 @@
-/* $OpenBSD: tls.c,v 1.28 2015/09/13 13:44:07 beck Exp $ */
+/* $OpenBSD: tls.c,v 1.29 2015/09/13 15:39:15 beck Exp $ */
 /*
  * Copyright (c) 2014 Joel Sing <jsing@openbsd.org>
  *
@@ -416,7 +416,7 @@ tls_read(struct tls *ctx, void *buf, size_t buflen)
         }
 
         ERR_clear_error();
-        if ((ssl_ret = SSL_read(ctx->ssl_conn, buf, buflen)) > 0) {
+        if ((ssl_ret = SSL_read(ctx->ssl_conn, buf, buflen)) >= 0) {
                 rv = (ssize_t)ssl_ret;
                 goto out;
         }
@@ -445,7 +445,7 @@ tls_write(struct tls *ctx, const void *buf, size_t buflen)
         }
 
         ERR_clear_error();
-        if ((ssl_ret = SSL_write(ctx->ssl_conn, buf, buflen)) > 0) {
+        if ((ssl_ret = SSL_write(ctx->ssl_conn, buf, buflen)) >= 0) {
                 rv = (ssize_t)ssl_ret;
                 goto out;
         }