1 files changed, 104 insertions, 0 deletions
diff --git a/modules/dav/lock/mod_dav_lock.c b/modules/dav/lock/mod_dav_lock.c
new file mode 100644
index 0000000..56a3202
--- /dev/null
+++ b/modules/dav/lock/mod_dav_lock.c
@@ -0,0 +1,104 @@
+/* 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 "httpd.h"
+#include "http_config.h"
+#include "apr_strings.h"
+#include "ap_provider.h"
+
+#include "mod_dav.h"
+#include "locks.h"
+
+/* per-dir configuration */
+typedef struct {
+    const char *lockdb_path;
+} dav_lock_dir_conf;
+
+extern const dav_hooks_locks dav_hooks_locks_generic;
+
+extern module AP_MODULE_DECLARE_DATA dav_lock_module;
+
+const char *dav_generic_get_lockdb_path(const request_rec *r)
+{
+    dav_lock_dir_conf *conf;
+
+    conf = ap_get_module_config(r->per_dir_config, &dav_lock_module);
+    return conf->lockdb_path;
+}
+
+static void *dav_lock_create_dir_config(apr_pool_t *p, char *dir)
+{
+    return apr_pcalloc(p, sizeof(dav_lock_dir_conf));
+}
+
+static void *dav_lock_merge_dir_config(apr_pool_t *p,
+                                       void *base, void *overrides)
+{
+    dav_lock_dir_conf *parent = base;
+    dav_lock_dir_conf *child = overrides;
+    dav_lock_dir_conf *newconf;
+
+    newconf = apr_pcalloc(p, sizeof(*newconf));
+
+    newconf->lockdb_path =
+        child->lockdb_path ? child->lockdb_path : parent->lockdb_path;
+
+    return newconf;
+}
+
+/*
+ * Command handler for the DAVGenericLockDB directive, which is TAKE1
+ */
+static const char *dav_lock_cmd_davlockdb(cmd_parms *cmd, void *config,
+                                        const char *arg1)
+{
+    dav_lock_dir_conf *conf = config;
+
+    conf->lockdb_path = ap_server_root_relative(cmd->pool, arg1);
+
+    if (!conf->lockdb_path) {
+        return apr_pstrcat(cmd->pool, "Invalid DAVGenericLockDB path ",
+                           arg1, NULL);
+    }
+
+    return NULL;
+}
+
+static const command_rec dav_lock_cmds[] =
+{
+    /* per server */
+    AP_INIT_TAKE1("DAVGenericLockDB", dav_lock_cmd_davlockdb, NULL, ACCESS_CONF,
+                  "specify a lock database"),
+
+    { NULL }
+};
+
+static void register_hooks(apr_pool_t *p)
+{
+    ap_register_provider(p, "dav-lock", "generic", "0",
+                         &dav_hooks_locks_generic);
+}
+
+AP_DECLARE_MODULE(dav_lock) =
+{
+    STANDARD20_MODULE_STUFF,
+    dav_lock_create_dir_config,     /* dir config creater */
+    dav_lock_merge_dir_config,      /* dir merger --- default is to override */
+    NULL,                           /* server config */
+    NULL,                           /* merge server config */
+    dav_lock_cmds,                  /* command table */
+    register_hooks,                 /* register hooks */
+};