diff options
| -rw-r--r-- | imap-send.c | 11 |
1 files changed, 11 insertions, 0 deletions
diff --git a/imap-send.c b/imap-send.c index 171c88707..91671d6f4 100644 --- a/imap-send.c +++ b/imap-send.c @@ -370,6 +370,17 @@ static int ssl_socket_connect(struct imap_socket *sock, int use_tls_only, int ve return -1; } +#ifdef SSL_CTRL_SET_TLSEXT_HOSTNAME + /* + * SNI (RFC4366) + * OpenSSL does not document this function, but the implementation + * returns 1 on success, 0 on failure after calling SSLerr(). + */ + ret = SSL_set_tlsext_host_name(sock->ssl, server.host); + if (ret != 1) + warning("SSL_set_tlsext_host_name(%s) failed.", server.host); +#endif + ret = SSL_connect(sock->ssl); if (ret <= 0) { socket_perror("SSL_connect", sock, ret); |