GNUnet  0.11.x
exit.h
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1 /*
2  This file is part of GNUnet.
3  Copyright (C) 2012 Christian Grothoff
4 
5  GNUnet is free software: you can redistribute it and/or modify it
6  under the terms of the GNU Affero General Public License as published
7  by the Free Software Foundation, either version 3 of the License,
8  or (at your option) any later version.
9 
10  GNUnet is distributed in the hope that it will be useful, but
11  WITHOUT ANY WARRANTY; without even the implied warranty of
12  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
13  Affero General Public License for more details.
14 
15  You should have received a copy of the GNU Affero General Public License
16  along with this program. If not, see <http://www.gnu.org/licenses/>.
17 
18  SPDX-License-Identifier: AGPL3.0-or-later
19  */
20 
26 #ifndef EXIT_H
27 #define EXIT_H
28 
29 #include "gnunet_util_lib.h"
30 
32 
38 {
43 
48 
54 
55  /* followed by TCP payload */
56 };
57 
58 
64 {
69 
73  int32_t af GNUNET_PACKED;
74 
80 
81  /* followed by IP address of the destination; either
82  'struct in_addr' or 'struct in6_addr', depending on af */
83 
84  /* followed by TCP payload */
85 };
86 
87 
95 {
100 
105 
111 
112  /* followed by TCP payload */
113 };
114 
115 
121 {
126 
131 
136 
137  /* followed by UDP payload */
138 };
139 
140 
146 {
151 
155  int32_t af GNUNET_PACKED;
156 
161 
166 
167  /* followed by IP address of the destination; either
168  'struct in_addr' or 'struct in6_addr', depending on af */
169 
170  /* followed by UDP payload */
171 };
172 
173 
179 {
184 
190 
196 
197  /* followed by UDP payload */
198 };
199 
200 
206 {
211 
218  int32_t af GNUNET_PACKED;
219 
224 
225  /* followed by ICMP payload; however, for certain ICMP message
226  types where the payload is the original IP packet, the payload
227  is omitted as it is useless for the receiver (who will need
228  to create some fake payload manually) */
229 };
230 
231 
237 {
242 
249  int32_t af GNUNET_PACKED;
250 
256 
257  /* followed by IP address of the destination; either
258  'struct in_addr' or 'struct in6_addr', depending on af */
259 
260  /* followed by ICMP payload; however, for certain ICMP message
261  types where the payload is the original IP packet, the payload
262  is omitted as it is useless for the receiver (who will need
263  to create some fake payload manually) */
264 };
265 
266 
272 {
277 
282  int32_t af GNUNET_PACKED;
283 
288 
289  /* followed by ICMP payload; however, for certain ICMP message
290  types where the payload is the original IP packet, the payload
291  is omitted as it is useless for the receiver (who will need
292  to create some fake payload manually) */
293 };
294 
295 
297 
298 #endif
#define GNUNET_NETWORK_STRUCT_BEGIN
Define as empty, GNUNET_PACKED should suffice, but this won't work on W32.
#define GNUNET_NETWORK_STRUCT_END
Define as empty, GNUNET_PACKED should suffice, but this won't work on W32;.
#define GNUNET_PACKED
gcc-ism to get packed structs.
Message send via cadet to an exit daemon to forward ICMP data to the Internet.
Definition: exit.h:237
int32_t af
Address family, AF_INET or AF_INET6, in network byte order.
Definition: exit.h:249
struct GNUNET_MessageHeader header
Type is GNUNET_MESSAGE_TYPE_VPN_ICMP_TO_INTERNET.
Definition: exit.h:241
struct GNUNET_TUN_IcmpHeader icmp_header
ICMP header to use.
Definition: exit.h:255
Message send via cadet to an exit daemon to send ICMP data to a local service.
Definition: exit.h:206
struct GNUNET_TUN_IcmpHeader icmp_header
ICMP header to use.
Definition: exit.h:223
int32_t af
Address family, AF_INET or AF_INET6, in network byte order.
Definition: exit.h:218
struct GNUNET_MessageHeader header
Type is GNUNET_MESSAGE_TYPE_VPN_ICMP_TO_SERVICE.
Definition: exit.h:210
Message send via cadet to the vpn service to send ICMP data to the VPN's TUN interface.
Definition: exit.h:272
struct GNUNET_TUN_IcmpHeader icmp_header
ICMP header to use.
Definition: exit.h:287
int32_t af
Address family, AF_INET or AF_INET6, in network byte order.
Definition: exit.h:282
struct GNUNET_MessageHeader header
Type is GNUNET_MESSAGE_TYPE_VPN_ICMP_TO_VPN.
Definition: exit.h:276
Message send via cadet between VPN and entry and an exit daemon to transmit TCP data between the VPN ...
Definition: exit.h:95
uint32_t reserved
Always 0.
Definition: exit.h:104
struct GNUNET_TUN_TcpHeader tcp_header
Skeleton of the TCP header to send.
Definition: exit.h:110
struct GNUNET_MessageHeader header
Type is #GNUNET_MESSAGE_TYPE_VPN_TCP_DATA.
Definition: exit.h:99
Message send via cadet to an exit daemon to initiate forwarding of TCP data to the Internet.
Definition: exit.h:64
struct GNUNET_TUN_TcpHeader tcp_header
Skeleton of the TCP header to send.
Definition: exit.h:79
struct GNUNET_MessageHeader header
Type is GNUNET_MESSAGE_TYPE_VPN_TCP_TO_INTERNET_START.
Definition: exit.h:68
int32_t af
Address family, AF_INET or AF_INET6, in network byte order.
Definition: exit.h:73
Message send via cadet to an exit daemon to initiate forwarding of TCP data to a local service.
Definition: exit.h:38
struct GNUNET_MessageHeader header
Type is GNUNET_MESSAGE_TYPE_VPN_TCP_TO_SERVICE_START.
Definition: exit.h:42
uint32_t reserved
Always 0.
Definition: exit.h:47
struct GNUNET_TUN_TcpHeader tcp_header
Skeleton of the TCP header to send.
Definition: exit.h:53
Message send via cadet to an exit daemon to forward UDP data to the Internet.
Definition: exit.h:146
uint16_t source_port
Source port to use for the UDP request (0 to use a random port).
Definition: exit.h:160
uint16_t destination_port
Destination port to use for the UDP request.
Definition: exit.h:165
struct GNUNET_MessageHeader header
Type is GNUNET_MESSAGE_TYPE_VPN_UDP_TO_INTERNET.
Definition: exit.h:150
int32_t af
Address family, AF_INET or AF_INET6, in network byte order.
Definition: exit.h:155
Message send from exit daemon back to the UDP entry point (used for both Internet and Service exit re...
Definition: exit.h:179
uint16_t source_port
Source port to use for the UDP reply (0 to use the same port as for the original request).
Definition: exit.h:189
struct GNUNET_MessageHeader header
Type is GNUNET_MESSAGE_TYPE_VPN_UDP_REPLY.
Definition: exit.h:183
uint16_t destination_port
Destination port to use for the UDP reply (0 to use the same port as for the original request).
Definition: exit.h:195
Message send via cadet to an exit daemon to send UDP data to a local service.
Definition: exit.h:121
uint16_t destination_port
Destination port to use for the UDP request.
Definition: exit.h:135
uint16_t source_port
Source port to use for the UDP request (0 to use a random port).
Definition: exit.h:130
struct GNUNET_MessageHeader header
Type is GNUNET_MESSAGE_TYPE_VPN_UDP_TO_SERVICE.
Definition: exit.h:125
Header for all communications.
TCP packet header.