diff --git a/lib/krb5/krb5.h b/lib/krb5/krb5.h
index 80d8477d9..63a7af0a3 100644
--- a/lib/krb5/krb5.h
+++ b/lib/krb5/krb5.h
@@ -455,6 +455,11 @@ krb5_auth_con_setaddrs(krb5_context context,
 		       krb5_address *local_addr,
 		       krb5_address *remote_addr);
 
+krb5_error_code
+krb5_auth_con_setaddrs_from_fd (krb5_context context,
+				krb5_auth_context auth_context,
+				int fd);
+
 krb5_error_code
 krb5_auth_con_getaddrs(krb5_context context,
 		       krb5_auth_context auth_context,
@@ -946,6 +951,13 @@ krb5_sname_to_principal (krb5_context context,
 			 int32_t type,
 			 krb5_principal *ret_princ);
 
+krb5_error_code
+krb5_sock_to_principal (krb5_context context,
+			int sock,
+			const char *sname,
+			int32_t type,
+			krb5_principal *ret_princ);
+
 krb5_error_code
 krb5_get_krbhst (krb5_context context,
 		 const krb5_realm *realm,