1 files changed, 58 insertions, 0 deletions
diff --git a/src/lib/net/resolve.h b/src/lib/net/resolve.h
new file mode 100644
index 0000000000..47a283c81c
--- /dev/null
+++ b/src/lib/net/resolve.h
@@ -0,0 +1,58 @@
+/* Copyright (c) 2003-2004, Roger Dingledine
+ * Copyright (c) 2004-2006, Roger Dingledine, Nick Mathewson.
+ * Copyright (c) 2007-2019, The Tor Project, Inc. */
+/* See LICENSE for licensing information */
+
+/**
+ * \file resolve.h
+ * \brief Header for resolve.c
+ **/
+
+#ifndef TOR_RESOLVE_H
+#define TOR_RESOLVE_H
+
+#include "orconfig.h"
+#include "lib/cc/torint.h"
+#include "lib/testsupport/testsupport.h"
+#ifdef _WIN32
+#include <winsock2.h>
+#endif
+
+#if defined(HAVE_SECCOMP_H) && defined(__linux__)
+#define USE_SANDBOX_GETADDRINFO
+#endif
+
+struct tor_addr_t;
+
+MOCK_DECL(int, tor_lookup_hostname,(const char *name, uint32_t *addr));
+MOCK_DECL(int, tor_addr_lookup,(const char *name, uint16_t family,
+                                struct tor_addr_t *addr_out));
+int tor_addr_port_lookup(const char *s, struct tor_addr_t *addr_out,
+                         uint16_t *port_out);
+
+struct addrinfo;
+#ifdef USE_SANDBOX_GETADDRINFO
+/** Pre-calls getaddrinfo in order to pre-record result. */
+int tor_add_addrinfo(const char *addr);
+
+struct addrinfo;
+/** Replacement for getaddrinfo(), using pre-recorded results. */
+int tor_getaddrinfo(const char *name, const char *servname,
+                        const struct addrinfo *hints,
+                        struct addrinfo **res);
+void tor_freeaddrinfo(struct addrinfo *addrinfo);
+void tor_free_getaddrinfo_cache(void);
+void tor_make_getaddrinfo_cache_active(void);
+#else /* !(defined(USE_SANDBOX_GETADDRINFO)) */
+#define tor_getaddrinfo(name, servname, hints, res)  \
+  getaddrinfo((name),(servname), (hints),(res))
+#define tor_add_addrinfo(name) \
+  ((void)(name))
+#define tor_freeaddrinfo(addrinfo) \
+  freeaddrinfo((addrinfo))
+#define tor_free_getaddrinfo_cache()
+#endif /* defined(USE_SANDBOX_GETADDRINFO) */
+
+void sandbox_disable_getaddrinfo_cache(void);
+
+#endif