# ./pullrev.sh 1912081
http://svn.apache.org/viewvc?view=revision&revision=1912081

Upstream-Status: merged in 2.4.58

--- httpd-2.4.57/modules/dav/main/mod_dav.c
+++ httpd-2.4.57/modules/dav/main/mod_dav.c
@@ -81,6 +81,7 @@
     const char *provider_name;
     const dav_provider *provider;
     const char *dir;
+    const char *base;
     int locktimeout;
     int allow_depthinfinity;
     int allow_lockdiscovery;
@@ -196,6 +197,7 @@
 
     newconf->locktimeout = DAV_INHERIT_VALUE(parent, child, locktimeout);
     newconf->dir = DAV_INHERIT_VALUE(parent, child, dir);
+    newconf->base = DAV_INHERIT_VALUE(parent, child, base);
     newconf->allow_depthinfinity = DAV_INHERIT_VALUE(parent, child,
                                                      allow_depthinfinity);
     newconf->allow_lockdiscovery = DAV_INHERIT_VALUE(parent, child,
@@ -283,6 +285,18 @@
 }
 
 /*
+ * Command handler for the DAVBasePath directive, which is TAKE1
+ */
+static const char *dav_cmd_davbasepath(cmd_parms *cmd, void *config, const char *arg1)
+{
+    dav_dir_conf *conf = config;
+
+    conf->base = arg1;
+
+    return NULL;
+}
+
+/*
  * Command handler for the DAVDepthInfinity directive, which is FLAG.
  */
 static const char *dav_cmd_davdepthinfinity(cmd_parms *cmd, void *config,
@@ -748,7 +762,7 @@
                                    int use_checked_in, dav_resource **res_p)
 {
     dav_dir_conf *conf;
-    const char *label = NULL;
+    const char *label = NULL, *base;
     dav_error *err;
 
     /* if the request target can be overridden, get any target selector */
@@ -765,11 +779,27 @@
                              ap_escape_html(r->pool, r->uri)));
     }
 
+    /* Take the repos root from DAVBasePath if configured, else the
+     * path of the enclosing section. */
+    base = conf->base ? conf->base : conf->dir;
+
     /* resolve the resource */
-    err = (*conf->provider->repos->get_resource)(r, conf->dir,
+    err = (*conf->provider->repos->get_resource)(r, base,
                                                  label, use_checked_in,
                                                  res_p);
     if (err != NULL) {
+        /* In the error path, give a hint that DavBasePath needs to be
+         * used if the location was configured via a regex match. */
+        if (!conf->base) {
+            core_dir_config *cdc = ap_get_core_module_config(r->per_dir_config);
+
+            if (cdc->r) {
+                ap_log_error(APLOG_MARK, APLOG_ERR, 0, NULL, APLOGNO(10484)
+                             "failed to find repository for location configured "
+                             "via regex match - missing DAVBasePath?");
+            }
+        }
+
         err = dav_push_error(r->pool, err->status, 0,
                              "Could not fetch resource information.", err);
         return err;
@@ -5164,6 +5194,10 @@
     AP_INIT_TAKE1("DAV", dav_cmd_dav, NULL, ACCESS_CONF,
                   "specify the DAV provider for a directory or location"),
 
+    /* per directory/location */
+    AP_INIT_TAKE1("DAVBasePath", dav_cmd_davbasepath, NULL, ACCESS_CONF,
+                  "specify the DAV repository base URL"),
+
     /* per directory/location, or per server */
     AP_INIT_TAKE1("DAVMinTimeout", dav_cmd_davmintimeout, NULL,
                   ACCESS_CONF|RSRC_CONF,