Adding upstream version 2.4.57.upstream/2.4.57

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

1 files changed, 181 insertions, 0 deletions

diff --git a/modules/md/md_acmev2_drive.c b/modules/md/md_acmev2_drive.c
new file mode 100644
index 0000000..9dfca96
--- /dev/null
+++ b/modules/md/md_acmev2_drive.c
@@ -0,0 +1,181 @@
+/* Licensed to the Apache Software Foundation (ASF) under one or more
+ * contributor license agreements.  See the NOTICE file distributed with
+ * this work for additional information regarding copyright ownership.
+ * The ASF licenses this file to You under the Apache License, Version 2.0
+ * (the "License"); you may not use this file except in compliance with
+ * the License.  You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+ 
+#include <assert.h>
+#include <stdlib.h>
+
+#include <apr_lib.h>
+#include <apr_strings.h>
+#include <apr_buckets.h>
+#include <apr_hash.h>
+#include <apr_uri.h>
+
+#include "md.h"
+#include "md_crypt.h"
+#include "md_json.h"
+#include "md_jws.h"
+#include "md_http.h"
+#include "md_log.h"
+#include "md_result.h"
+#include "md_reg.h"
+#include "md_store.h"
+#include "md_util.h"
+
+#include "md_acme.h"
+#include "md_acme_acct.h"
+#include "md_acme_authz.h"
+#include "md_acme_order.h"
+
+#include "md_acme_drive.h"
+#include "md_acmev2_drive.h"
+
+
+
+/**************************************************************************************************/
+/* order setup */
+
+/**
+ * Either we have an order stored in the STAGING area, or we need to create a 
+ * new one at the ACME server.
+ */
+static apr_status_t ad_setup_order(md_proto_driver_t *d, md_result_t *result, int *pis_new)
+{
+    md_acme_driver_t *ad = d->baton;
+    apr_status_t rv;
+    md_t *md = ad->md;
+    
+    assert(ad->md);
+    assert(ad->acme);
+
+    /* For each domain in MD: AUTHZ setup
+     * if an AUTHZ resource is known, check if it is still valid
+     * if known AUTHZ resource is not valid, remove, goto 4.1.1
+     * if no AUTHZ available, create a new one for the domain, store it
+     */
+    if (pis_new) *pis_new = 0;
+    rv = md_acme_order_load(d->store, MD_SG_STAGING, md->name, &ad->order, d->p);
+    if (APR_SUCCESS == rv) {
+        md_result_activity_setn(result, "Loaded order from staging");
+        goto leave;
+    }
+    else if (!APR_STATUS_IS_ENOENT(rv)) {
+        md_log_perror(MD_LOG_MARK, MD_LOG_DEBUG, rv, d->p, "%s: loading order", md->name);
+        md_acme_order_purge(d->store, d->p, MD_SG_STAGING, md, d->env);
+    }
+    
+    md_result_activity_setn(result, "Creating new order");
+    rv = md_acme_order_register(&ad->order, ad->acme, d->p, d->md->name, ad->domains);
+    if (APR_SUCCESS !=rv) goto leave;
+    rv = md_acme_order_save(d->store, d->p, MD_SG_STAGING, d->md->name, ad->order, 0);
+    if (APR_SUCCESS != rv) {
+        md_result_set(result, rv, "saving order in staging");
+    }
+    if (pis_new) *pis_new = 1;
+
+leave:
+    md_acme_report_result(ad->acme, rv, result);
+    return rv;
+}
+
+/**************************************************************************************************/
+/* ACMEv2 renewal */
+
+apr_status_t md_acmev2_drive_renew(md_acme_driver_t *ad, md_proto_driver_t *d, md_result_t *result)
+{
+    apr_status_t rv = APR_SUCCESS;
+    int is_new_order = 0;
+
+    md_log_perror(MD_LOG_MARK, MD_LOG_DEBUG, 0, d->p, "%s: (ACMEv2) need certificate", d->md->name);
+    
+    /* Chose (or create) and ACME account to use */
+    rv = md_acme_drive_set_acct(d, result);
+    if (APR_SUCCESS != rv) goto leave;
+
+    if (!md_array_is_empty(ad->cred->chain)) goto leave;
+        
+    /* ACMEv2 strategy:
+     * 1. load an md_acme_order_t from STAGING, if present
+     * 2. if no order found, register a new order at ACME server
+     * 3. update the order from the server
+     * 4. Switch order state:
+     *   * PENDING: process authz challenges
+     *   * READY: finalize the order
+     *   * PROCESSING: wait and re-assses later
+     *   * VALID: retrieve certificate
+     *   * COMPLETE: all done, return success
+     *   * INVALID and otherwise: fail renewal, delete local order
+     */
+    if (APR_SUCCESS != (rv = ad_setup_order(d, result, &is_new_order))) {
+        goto leave;
+    }
+    
+    rv = md_acme_order_update(ad->order, ad->acme, result, d->p);
+    if (APR_STATUS_IS_ENOENT(rv)
+        || APR_STATUS_IS_EACCES(rv)
+        || MD_ACME_ORDER_ST_INVALID == ad->order->status) {
+        /* order is invalid or no longer known at the ACME server */
+        ad->order = NULL;
+        md_acme_order_purge(d->store, d->p, MD_SG_STAGING, d->md, d->env);
+    }
+    else if (APR_SUCCESS != rv) {
+        goto leave;
+    }
+
+retry:
+    if (!ad->order) {
+        rv = ad_setup_order(d, result, &is_new_order);
+        if (APR_SUCCESS != rv) goto leave;
+    }
+    
+    rv = md_acme_order_start_challenges(ad->order, ad->acme, ad->ca_challenges,
+                                        d->store, d->md, d->env, result, d->p);
+    if (!is_new_order && APR_STATUS_IS_EINVAL(rv)) {
+        /* found 'invalid' domains in previous order, need to start over */
+        ad->order = NULL;
+        md_acme_order_purge(d->store, d->p, MD_SG_STAGING, d->md, d->env);
+        goto retry;
+    }
+    if (APR_SUCCESS != rv) goto leave;
+    
+    rv = md_acme_order_monitor_authzs(ad->order, ad->acme, d->md,
+                                      ad->authz_monitor_timeout, result, d->p);
+    if (APR_SUCCESS != rv) goto leave;
+
+    rv = md_acme_order_await_ready(ad->order, ad->acme, d->md,
+                                   ad->authz_monitor_timeout, result, d->p);
+    if (APR_SUCCESS != rv) goto leave;
+
+    if (MD_ACME_ORDER_ST_READY == ad->order->status) {
+        rv = md_acme_drive_setup_cred_chain(d, result);
+        if (APR_SUCCESS != rv) goto leave;
+        md_log_perror(MD_LOG_MARK, MD_LOG_DEBUG, 0, d->p, "%s: finalized order", d->md->name);
+    }
+
+    rv = md_acme_order_await_valid(ad->order, ad->acme, d->md, 
+                                   ad->authz_monitor_timeout, result, d->p);
+    if (APR_SUCCESS != rv) goto leave;
+    
+    if (!ad->order->certificate) {
+        md_result_set(result, APR_EINVAL, "Order valid, but certificate url is missing.");
+        goto leave;
+    }
+    md_result_set(result, APR_SUCCESS, NULL);
+
+leave:    
+    md_result_log(result, MD_LOG_DEBUG);
+    return result->status;
+}
+