1 files changed, 91 insertions, 0 deletions
diff --git a/src/feature/dirauth/dirauth_config.h b/src/feature/dirauth/dirauth_config.h
new file mode 100644
index 0000000000..9042ff8779
--- /dev/null
+++ b/src/feature/dirauth/dirauth_config.h
@@ -0,0 +1,91 @@
+/* Copyright (c) 2001 Matej Pfajfar.
+ * Copyright (c) 2001-2004, Roger Dingledine.
+ * Copyright (c) 2004-2006, Roger Dingledine, Nick Mathewson.
+ * Copyright (c) 2007-2020, The Tor Project, Inc. */
+/* See LICENSE for licensing information */
+
+/**
+ * @file dirauth_config.h
+ * @brief Header for feature/dirauth/dirauth_config.c
+ **/
+
+#ifndef TOR_FEATURE_DIRAUTH_DIRAUTH_CONFIG_H
+#define TOR_FEATURE_DIRAUTH_DIRAUTH_CONFIG_H
+
+struct or_options_t;
+
+#ifdef HAVE_MODULE_DIRAUTH
+
+#include "lib/cc/torint.h"
+
+int options_validate_dirauth_mode(const struct or_options_t *old_options,
+                                  struct or_options_t *options,
+                                  char **msg);
+
+int options_validate_dirauth_schedule(const struct or_options_t *old_options,
+                                      struct or_options_t *options,
+                                      char **msg);
+
+int options_validate_dirauth_testing(const struct or_options_t *old_options,
+                                     struct or_options_t *options,
+                                     char **msg);
+
+int options_act_dirauth(const struct or_options_t *old_options);
+int options_act_dirauth_mtbf(const struct or_options_t *old_options);
+int options_act_dirauth_stats(const struct or_options_t *old_options,
+                              bool *print_notice_out);
+
+bool dirauth_should_reject_requests_under_load(void);
+
+extern const struct config_format_t dirauth_options_fmt;
+
+#else /* !defined(HAVE_MODULE_DIRAUTH) */
+
+/** When tor is compiled with the dirauth module disabled, it can't be
+ * configured as a directory authority.
+ *
+ * Returns -1 and sets msg to a newly allocated string, if AuthoritativeDir
+ * is set in options. Otherwise returns 0. */
+static inline int
+options_validate_dirauth_mode(const struct or_options_t *old_options,
+                              struct or_options_t *options,
+                              char **msg)
+{
+  (void)old_options;
+
+  /* Only check the primary option for now, #29211 will disable more
+   * options. */
+  if (options->AuthoritativeDir) {
+    /* REJECT() this configuration */
+    *msg = tor_strdup("This tor was built with dirauth mode disabled. "
+                      "It can not be configured with AuthoritativeDir 1.");
+    return -1;
+  }
+
+  return 0;
+}
+
+#define options_validate_dirauth_schedule(old_options, options, msg) \
+  (((void)(old_options)),((void)(options)),((void)(msg)),0)
+#define options_validate_dirauth_testing(old_options, options, msg) \
+  (((void)(old_options)),((void)(options)),((void)(msg)),0)
+
+#define options_act_dirauth(old_options) \
+  (((void)(old_options)),0)
+#define options_act_dirauth_mtbf(old_options) \
+  (((void)(old_options)),0)
+
+static inline int
+options_act_dirauth_stats(const struct or_options_t *old_options,
+                          bool *print_notice_out)
+{
+  (void)old_options;
+  *print_notice_out = 0;
+  return 0;
+}
+
+#define dirauth_should_reject_requests_under_load() (false)
+
+#endif /* defined(HAVE_MODULE_DIRAUTH) */
+
+#endif /* !defined(TOR_FEATURE_DIRAUTH_DIRAUTH_CONFIG_H) */