static int ssl_hook_pre_connection(conn_rec *c, void *csd)
{
SSLSrvConfigRec *sc;
SSLConnRec *sslconn = myConnConfig(c);
if (sslconn) {
sc = mySrvConfig(sslconn->server);
}
else {
sc = mySrvConfig(c->base_server);
}
/*
* Immediately stop processing if SSL is disabled for this connection
*/
if (c->master || !(sc && (sc->enabled == SSL_ENABLED_TRUE ||
(sslconn && sslconn->is_proxy))))
{
return DECLINED;
}
/*
* Create SSL context
*/
if (!sslconn) {
sslconn = ssl_init_connection_ctx(c);
}
if (sslconn->disabled) {
return DECLINED;
}
/*
* Remember the connection information for
* later access inside callback functions
*/
ap_log_cerror(APLOG_MARK, APLOG_INFO, 0, c, APLOGNO(01964)
"Connection to child %ld established "
"(server %s)", c->id, sc->vhost_id);
return ssl_init_ssl_connection(c, NULL);
}
int ssl_proxy_enable(conn_rec *c)
{
SSLSrvConfigRec *sc;
SSLConnRec *sslconn = ssl_init_connection_ctx(c);
sc = mySrvConfig(sslconn->server);
if (!sc->proxy_enabled) {
ap_log_cerror(APLOG_MARK, APLOG_ERR, 0, c,
"SSL Proxy requested for %s but not enabled "
"[Hint: SSLProxyEngine]", sc->vhost_id);
return 0;
}
sslconn->is_proxy = 1;
sslconn->disabled = 0;
return 1;
}
int ssl_engine_disable(conn_rec *c)
{
SSLSrvConfigRec *sc;
SSLConnRec *sslconn = myConnConfig(c);
if (sslconn) {
sc = mySrvConfig(sslconn->server);
}
else {
sc = mySrvConfig(c->base_server);
}
if (sc->enabled == SSL_ENABLED_FALSE) {
return 0;
}
sslconn = ssl_init_connection_ctx(c);
sslconn->disabled = 1;
return 1;
}
int ssl_init_ssl_connection(conn_rec *c)
{
SSLSrvConfigRec *sc;
SSL *ssl;
SSLConnRec *sslconn = myConnConfig(c);
char *vhost_md5;
modssl_ctx_t *mctx;
server_rec *server;
if (!sslconn) {
sslconn = ssl_init_connection_ctx(c);
}
server = sslconn->server;
sc = mySrvConfig(server);
/*
* Seed the Pseudo Random Number Generator (PRNG)
*/
ssl_rand_seed(server, c->pool, SSL_RSCTX_CONNECT, "");
mctx = sslconn->is_proxy ? sc->proxy : sc->server;
/*
* Create a new SSL connection with the configured server SSL context and
* attach this to the socket. Additionally we register this attachment
* so we can detach later.
*/
if (!(ssl = SSL_new(mctx->ssl_ctx))) {
ap_log_cerror(APLOG_MARK, APLOG_ERR, 0, c,
"Unable to create a new SSL connection from the SSL "
"context");
ssl_log_ssl_error(APLOG_MARK, APLOG_ERR, server);
c->aborted = 1;
return DECLINED; /* XXX */
}
vhost_md5 = ap_md5_binary(c->pool, (unsigned char *)sc->vhost_id,
sc->vhost_id_len);
if (!SSL_set_session_id_context(ssl, (unsigned char *)vhost_md5,
APR_MD5_DIGESTSIZE*2))
{
ap_log_cerror(APLOG_MARK, APLOG_ERR, 0, c,
"Unable to set session id context to `%s'", vhost_md5);
ssl_log_ssl_error(APLOG_MARK, APLOG_ERR, server);
c->aborted = 1;
return DECLINED; /* XXX */
}
SSL_set_app_data(ssl, c);
SSL_set_app_data2(ssl, NULL); /* will be request_rec */
sslconn->ssl = ssl;
/*
* Configure callbacks for SSL connection
*/
SSL_set_tmp_rsa_callback(ssl, ssl_callback_TmpRSA);
SSL_set_tmp_dh_callback(ssl, ssl_callback_TmpDH);
SSL_set_verify_result(ssl, X509_V_OK);
ssl_io_filter_init(c, ssl);
return APR_SUCCESS;
}