http_server.{c,h}: make clear that IPv4 or IPv6 is used by http_server_init()

Reviewed-by: Viktor Dukhovni <viktor@openssl.org>
Reviewed-by: Tomas Mraz <tomas@openssl.org>
Reviewed-by: Neil Horman <nhorman@openssl.org>
Reviewed-by: Paul Dale <ppzgs1@gmail.com>
(Merged from https://github.com/openssl/openssl/pull/25533)

(cherry picked from commit 4c91e96390ab6bdbd73decca0a342c679b583e68)

diff --git a/apps/lib/http_server.c b/apps/lib/http_server.c
index 120a5d3c87404407a9c7e2325fa802bce86a565a..33ae886d4a1cbed12f471ed0cc27b339a7bffc57 100644 (file)
--- a/apps/lib/http_server.c
+++ b/apps/lib/http_server.c
@@ -228,6 +228,7 @@ BIO *http_server_init_bio(const char *prog, const char *port)
         goto err;
     acbio = BIO_new(BIO_s_accept());
     if (acbio == NULL
+        || BIO_set_accept_ip_family(acbio, BIO_FAMILY_IPANY) <= 0 /* IPv4/6 */
         || BIO_set_bind_mode(acbio, BIO_BIND_REUSEADDR) <= 0
         || BIO_set_accept_name(acbio, name) <= 0) {
         log_message(prog, LOG_ERR, "Error setting up accept BIO");