Added all the rest of the project files. It doesn't work as an nginx module yet I need to find the error.

ngx_http_webdav_utils.h

@@ -0,0 +1,78 @@
+/*
+ * Copyright (C) Starfields
+ */
+
+#include <ngx_http.h>
+
+#ifndef NGX_HTTP_DAV_EXT_CONF_H
+#define NGX_HTTP_DAV_EXT_CONF_H
+
+
+typedef struct {
+  ngx_str_t uri;
+  ngx_str_t name;
+  time_t mtime;
+  off_t size;
+
+  time_t lock_expire;
+  ngx_str_t lock_root;
+  uint32_t lock_token;
+
+  unsigned dir : 1;
+  unsigned lock_supported : 1;
+  unsigned lock_infinite : 1;
+} ngx_http_dav_ext_entry_t;
+
+
+typedef struct {
+  ngx_queue_t queue;
+} ngx_http_dav_ext_lock_sh_t;
+
+
+typedef struct {
+  time_t timeout;
+  ngx_slab_pool_t *shpool;
+  ngx_http_dav_ext_lock_sh_t *sh;
+} ngx_http_dav_ext_lock_t;
+
+
+typedef struct {
+  ngx_queue_t queue;
+  uint32_t token;
+  time_t expire;
+  ngx_uint_t infinite; /* unsigned  infinite:1; */
+  size_t len;
+  u_char data[1];
+} ngx_http_dav_ext_node_t;
+
+
+ngx_int_t
+ngx_http_dav_delete_path(ngx_http_request_t *r, ngx_str_t *path, ngx_uint_t dir);
+ngx_int_t ensure_trailing_slash(ngx_http_request_t *r, ngx_str_t *uri);
+ngx_int_t ngx_http_dav_depth(ngx_http_request_t *r,
+                                        ngx_int_t default_depth);
+ngx_int_t ngx_http_dav_ext_depth(ngx_http_request_t *r,
+                                        ngx_int_t default_depth);
+ngx_int_t ngx_http_dav_location(ngx_http_request_t *r);
+ngx_int_t
+ngx_http_dav_error(ngx_log_t *log, ngx_err_t err, ngx_int_t not_found,
+    char *failed, u_char *path);
+uint32_t ngx_http_dav_ext_if(ngx_http_request_t *r, ngx_str_t *uri);
+ngx_http_dav_ext_node_t *
+ngx_http_dav_ext_lock_lookup(ngx_http_request_t *r,
+                             ngx_http_dav_ext_lock_t *lock, ngx_str_t *uri,
+                             ngx_int_t depth);
+ngx_int_t ngx_http_dav_ext_set_locks(ngx_http_request_t *r,
+                                            ngx_http_dav_ext_entry_t *entry);
+uintptr_t
+ngx_http_dav_ext_format_lockdiscovery(ngx_http_request_t *r, u_char *dst,
+                                      ngx_http_dav_ext_entry_t *entry);
+uintptr_t ngx_http_dav_ext_format_token(u_char *dst, uint32_t token,
+                                               ngx_uint_t brackets);
+ngx_int_t ngx_http_dav_ext_strip_uri(ngx_http_request_t *r,
+                                            ngx_str_t *uri);
+ngx_int_t
+ngx_http_dav_noop(ngx_tree_ctx_t *ctx, ngx_str_t *path);
+
+
+#endif