X-Git-Url: https://git.librecmc.org/?a=blobdiff_plain;f=src%2Finclude%2Fgnunet_tun_lib.h;h=11c43e8b74b80b6ad21461d4f5c94b31c18e2e7a;hb=6e626937fd5133188d2bd06f280a1b889219eef2;hp=5c5627ee55b221194525329468c8961d6233dbcf;hpb=f27338992f0a5915ee974faea05f764c2df6f584;p=oweals%2Fgnunet.git diff --git a/src/include/gnunet_tun_lib.h b/src/include/gnunet_tun_lib.h index 5c5627ee5..11c43e8b7 100644 --- a/src/include/gnunet_tun_lib.h +++ b/src/include/gnunet_tun_lib.h @@ -2,32 +2,38 @@ This file is part of GNUnet. Copyright (C) 2010-2013 Christian Grothoff - GNUnet is free software; you can redistribute it and/or modify - it under the terms of the GNU General Public License as published - by the Free Software Foundation; either version 3, or (at your - option) any later version. + GNUnet is free software: you can redistribute it and/or modify it + under the terms of the GNU Affero General Public License as published + by the Free Software Foundation, either version 3 of the License, + or (at your option) any later version. GNUnet is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU - General Public License for more details. + Affero General Public License for more details. + + You should have received a copy of the GNU Affero General Public License + along with this program. If not, see . - You should have received a copy of the GNU General Public License - along with GNUnet; see the file COPYING. If not, write to the - Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, - Boston, MA 02110-1301, USA. + SPDX-License-Identifier: AGPL3.0-or-later */ /** - * @file include/gnunet_tun_lib.h - * @brief standard TCP/IP network structs and IP checksum calculations for TUN interaction * @author Philipp Toelke * @author Christian Grothoff + * + * @file + * Standard TCP/IP network structs and IP checksum calculations for TUN interaction + * + * @defgroup tun TUN library + * Standard TCP/IP network structs and IP checksum calculations for TUN interaction + * @{ */ #ifndef GNUNET_TUN_LIB_H #define GNUNET_TUN_LIB_H -#include "gnunet_util_lib.h" +#include "gnunet_common.h" +#include "gnunet_crypto_lib.h" /* see http://www.iana.org/assignments/ethernet-numbers */ @@ -52,6 +58,7 @@ * 8 bytes for IPv4, 4 bytes for port, 1 byte for "4", 2 bytes for "-", * one byte for 0-termination. */ + #define GNUNET_TUN_IPV4_REGEXLEN 16 @@ -905,10 +912,41 @@ GNUNET_TUN_ipv4policy2regex (const char *policy); * the network. * * @param service_name a string - * @param hc corresponding hash + * @param[out] hc corresponding hash */ void GNUNET_TUN_service_name_to_hash (const char *service_name, struct GNUNET_HashCode *hc); + +/** + * Check if two sockaddrs are equal. + * + * @param sa one address + * @param sb another address + * @param include_port also check ports + * @return #GNUNET_YES if they are equal + */ +int +GNUNET_TUN_sockaddr_cmp (const struct sockaddr *sa, + const struct sockaddr *sb, + int include_port); + + +/** + * Compute the CADET port given a service descriptor + * (returned from #GNUNET_TUN_service_name_to_hash) and + * a TCP/UDP port @a ip_port. + * + * @param desc service shared secret + * @param ip_port TCP/UDP port, use 0 for ICMP + * @param[out] cadet_port CADET port to use + */ +void +GNUNET_TUN_compute_service_cadet_port (const struct GNUNET_HashCode *desc, + uint16_t ip_port, + struct GNUNET_HashCode *cadet_port); + #endif + +/** @} */ /* end of group */