openssl/Make-BIO_do_connect-and-friends-handle-multiple-IP-a.patch

42 lines
1.5 KiB
Diff

From ec5aad1ca26599bcaddc3a03708fb925b21f3b6c Mon Sep 17 00:00:00 2001
From: "Dr. David von Oheimb" <David.von.Oheimb@siemens.com>
Date: Thu, 28 May 2020 19:03:37 +0200
Subject: [PATCH 005/147] Make BIO_do_connect() and friends handle multiple IP
addresses
Backport of #11971
Reviewed-by: Tomas Mraz <tmraz@fedoraproject.org>
Reviewed-by: Bernd Edlinger <bernd.edlinger@hotmail.de>
(Merged from https://github.com/openssl/openssl/pull/11989)
---
crypto/bio/bss_conn.c | 11 ++++++++++-
1 file changed, 10 insertions(+), 1 deletion(-)
diff --git a/crypto/bio/bss_conn.c b/crypto/bio/bss_conn.c
index dd43a40..f4c6b85 100644
--- a/crypto/bio/bss_conn.c
+++ b/crypto/bio/bss_conn.c
@@ -186,8 +186,17 @@ static int conn_state(BIO *b, BIO_CONNECT *c)
case BIO_CONN_S_BLOCKED_CONNECT:
i = BIO_sock_error(b->num);
- if (i) {
+ if (i != 0) {
BIO_clear_retry_flags(b);
+ if ((c->addr_iter = BIO_ADDRINFO_next(c->addr_iter)) != NULL) {
+ /*
+ * if there are more addresses to try, do that first
+ */
+ BIO_closesocket(b->num);
+ c->state = BIO_CONN_S_CREATE_SOCKET;
+ ERR_clear_error();
+ break;
+ }
SYSerr(SYS_F_CONNECT, i);
ERR_add_error_data(4,
"hostname=", c->param_hostname,
--
1.8.3.1