Function check_path

modules/http2d/server.c:500–505

Minimum check for directory traversal. Returns nonzero if it is safe. */

/* Minimum check for directory traversal. Returns nonzero if it is
   safe. */
static int check_path(const char *path) {
	/* We don't like '\' in url. */
	return path[0] && path[0] == '/' && strchr(path, '\\') == NULL &&
	       strstr(path, "/../") == NULL && strstr(path, "/./") == NULL &&
	       !ends_with(path, "/..") && !ends_with(path, "/.");
}


static int h2_fdpack(str *data)