add support for enforcing HTTPS

[project/uhttpd.git] / listen.c

diff --git a/listen.c b/listen.c
index adf8b16..92ca680 100644 (file)
--- a/listen.c
+++ b/listen.c
@@ -187,6 +187,7 @@ int uh_socket_bind(const char *host, const char *port, bool tls)
 
                l->fd.fd = sock;
                l->tls = tls;
+               l->addr = *(struct sockaddr_in6 *)p->ai_addr;
                list_add_tail(&l->list, &listeners);
                bound++;
 
@@ -201,3 +202,21 @@ error:
 
        return bound;
 }
+
+int uh_first_tls_port(int family)
+{
+       struct listener *l;
+       int tls_port = -1;
+
+       list_for_each_entry(l, &listeners, list) {
+               if (!l->tls || l->addr.sin6_family != family)
+                       continue;
+
+               if (tls_port != -1 && ntohs(l->addr.sin6_port) != 443)
+                       continue;
+
+               tls_port = ntohs(l->addr.sin6_port);
+       }
+
+       return tls_port;
+}