1 files changed, 67 insertions, 0 deletions
diff --git a/src/app/config/resolve_addr.h b/src/app/config/resolve_addr.h
new file mode 100644
index 0000000000..919d5d42cc
--- /dev/null
+++ b/src/app/config/resolve_addr.h
@@ -0,0 +1,67 @@
+/* Copyright (c) 2020, The Tor Project, Inc. */
+/* See LICENSE for licensing information */
+
+/**
+ * \file resolve_addr.h
+ * \brief Header file for resolve_addr.c.
+ **/
+
+#ifndef TOR_CONFIG_RESOLVE_ADDR_H
+#define TOR_CONFIG_RESOLVE_ADDR_H
+
+#include "app/config/config.h"
+#include "core/mainloop/connection.h"
+
+#include "app/config/or_options_st.h"
+
+/** Method used to resolved an address. In other words, how was the address
+ * discovered by tor. */
+typedef enum {
+  /* Default value. Indicate that no method found the address. */
+  RESOLVED_ADDR_NONE              = 0,
+  /* Found from the "Address" configuration option. */
+  RESOLVED_ADDR_CONFIGURED        = 1,
+  /* Found from the "ORPort" configuration option. */
+  RESOLVED_ADDR_CONFIGURED_ORPORT = 2,
+  /* Found by resolving the local hostname. */
+  RESOLVED_ADDR_GETHOSTNAME       = 3,
+  /* Found by querying the local interface(s). */
+  RESOLVED_ADDR_INTERFACE         = 4,
+  /* Found by resolving the hostname from the Address configuration option. */
+  RESOLVED_ADDR_RESOLVED          = 5,
+} resolved_addr_method_t;
+
+const char *resolved_addr_method_to_str(const resolved_addr_method_t method);
+
+#define get_orport_addr(family) \
+  (portconf_get_first_advertised_addr(CONN_TYPE_OR_LISTENER, family))
+
+bool find_my_address(const or_options_t *options, int family,
+                     int warn_severity, tor_addr_t *addr_out,
+                     resolved_addr_method_t *method_out, char **hostname_out);
+
+void resolved_addr_get_last(int family, tor_addr_t *addr_out);
+void resolved_addr_reset_last(int family);
+void resolved_addr_set_last(const tor_addr_t *addr,
+                            const resolved_addr_method_t method_used,
+                            const char *hostname_used);
+
+void resolved_addr_get_suggested(int family, tor_addr_t *addr_out);
+void resolved_addr_set_suggested(const tor_addr_t *addr);
+
+bool resolved_addr_is_configured(int family);
+
+MOCK_DECL(bool, is_local_to_resolve_addr, (const tor_addr_t *addr));
+
+#ifdef RESOLVE_ADDR_PRIVATE
+
+#ifdef TOR_UNIT_TESTS
+
+void resolve_addr_reset_suggested(int family);
+
+#endif /* TOR_UNIT_TESTS */
+
+#endif /* RESOLVE_ADDR_PRIVATE */
+
+#endif /* TOR_CONFIG_RESOLVE_ADDR_H */
+