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Change space indention (#557)
* change space indention * change space indention
This commit is contained in:
Francesco Carli
GitHub
parent
c4fd7eda91
commit
54f6da4cf4
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@ -8,7 +8,7 @@
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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@ -31,8 +31,8 @@
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#define SKIP_MULTICAST_PEERS_DISCOVERY
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struct tunread_arg {
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n2n_edge_t *eee;
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int *keep_running;
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n2n_edge_t *eee;
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int *keep_running;
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};
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extern HANDLE startTunReadThread (struct tunread_arg *arg);
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@ -8,7 +8,7 @@
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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@ -20,15 +20,15 @@
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#define _N2N_H_
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/*
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tunctl -t tun0
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tunctl -t tun1
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ifconfig tun0 1.2.3.4 up
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ifconfig tun1 1.2.3.5 up
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./edge -d tun0 -l 2000 -r 127.0.0.1:3000 -c hello
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./edge -d tun1 -l 3000 -r 127.0.0.1:2000 -c hello
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tunctl -t tun0
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tunctl -t tun1
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ifconfig tun0 1.2.3.4 up
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ifconfig tun1 1.2.3.5 up
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./edge -d tun0 -l 2000 -r 127.0.0.1:3000 -c hello
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./edge -d tun1 -l 3000 -r 127.0.0.1:2000 -c hello
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tunctl -u UID -t tunX
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tunctl -u UID -t tunX
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*/
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@ -154,11 +154,11 @@
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#include "tf.h"
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#ifndef TRACE_ERROR
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#define TRACE_ERROR 0, __FILE__, __LINE__
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#define TRACE_WARNING 1, __FILE__, __LINE__
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#define TRACE_NORMAL 2, __FILE__, __LINE__
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#define TRACE_INFO 3, __FILE__, __LINE__
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#define TRACE_DEBUG 4, __FILE__, __LINE__
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#define TRACE_ERROR 0, __FILE__, __LINE__
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#define TRACE_WARNING 1, __FILE__, __LINE__
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#define TRACE_NORMAL 2, __FILE__, __LINE__
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#define TRACE_INFO 3, __FILE__, __LINE__
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#define TRACE_DEBUG 4, __FILE__, __LINE__
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#endif
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/* ************************************** */
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@ -8,7 +8,7 @@
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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@ -17,47 +17,47 @@
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*/
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/* N2N packet header indicators. */
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#define MSG_TYPE_REGISTER 1
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#define MSG_TYPE_DEREGISTER 2
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#define MSG_TYPE_PACKET 3
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#define MSG_TYPE_REGISTER_ACK 4
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#define MSG_TYPE_REGISTER_SUPER 5
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#define MSG_TYPE_UNREGISTER_SUPER 6
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#define MSG_TYPE_REGISTER_SUPER_ACK 7
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#define MSG_TYPE_REGISTER_SUPER_NAK 8
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#define MSG_TYPE_FEDERATION 9
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#define MSG_TYPE_PEER_INFO 10
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#define MSG_TYPE_QUERY_PEER 11
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#define MSG_TYPE_MAX_TYPE 11
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#define MSG_TYPE_REGISTER 1
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#define MSG_TYPE_DEREGISTER 2
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#define MSG_TYPE_PACKET 3
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#define MSG_TYPE_REGISTER_ACK 4
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#define MSG_TYPE_REGISTER_SUPER 5
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#define MSG_TYPE_UNREGISTER_SUPER 6
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#define MSG_TYPE_REGISTER_SUPER_ACK 7
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#define MSG_TYPE_REGISTER_SUPER_NAK 8
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#define MSG_TYPE_FEDERATION 9
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#define MSG_TYPE_PEER_INFO 10
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#define MSG_TYPE_QUERY_PEER 11
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#define MSG_TYPE_MAX_TYPE 11
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/* Max available space to add supernodes' informations (sockets and MACs) in REGISTER_SUPER_ACK
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* Field sizes of REGISTER_SUPER_ACK as used in encode/decode fucntions in src/wire.c
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* REVISIT: replace 255 by DEFAULT_MTU as soon as header encryption allows for longer packets to be encrypted. */
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#define REG_SUPER_ACK_PAYLOAD_SPACE (255 - (sizeof(n2n_common_t) + sizeof(n2n_REGISTER_SUPER_ACK_t)))
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#define REG_SUPER_ACK_PAYLOAD_SPACE (255 - (sizeof(n2n_common_t) + sizeof(n2n_REGISTER_SUPER_ACK_t)))
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/* Space needed to store socket and MAC address of a supernode */
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#define REG_SUPER_ACK_PAYLOAD_ENTRY_SIZE (sizeof(n2n_REGISTER_SUPER_ACK_payload_t))
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#define REG_SUPER_ACK_PAYLOAD_ENTRY_SIZE (sizeof(n2n_REGISTER_SUPER_ACK_payload_t))
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#define PURGE_REGISTRATION_FREQUENCY 30
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#define RE_REG_AND_PURGE_FREQUENCY 10
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#define REGISTRATION_TIMEOUT 60
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#define PURGE_REGISTRATION_FREQUENCY 30
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#define RE_REG_AND_PURGE_FREQUENCY 10
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#define REGISTRATION_TIMEOUT 60
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#define SOCKET_TIMEOUT_INTERVAL_SECS 10
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#define REGISTER_SUPER_INTERVAL_DFL 20 /* sec, usually UDP NAT entries in a firewall expire after 30 seconds */
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#define SWEEP_TIME 30 /* sec, indicates the value after which we have to sort the hash list of supernodes in edges
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* and when we send out packets to query selection-relevant informations from supernodes. */
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#define SOCKET_TIMEOUT_INTERVAL_SECS 10
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#define REGISTER_SUPER_INTERVAL_DFL 20 /* sec, usually UDP NAT entries in a firewall expire after 30 seconds */
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#define SWEEP_TIME 30 /* sec, indicates the value after which we have to sort the hash list of supernodes in edges
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* and when we send out packets to query selection-relevant informations from supernodes. */
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/* Timeouts used in re_register_and_purge_supernodes. LAST_SEEN_SN_ACTIVE and LAST_SEEN_SN_INACTIVE
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* values should be at least 3*SOCKET_TIMEOUT_INTERVAL_SECS apart. */
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#define LAST_SEEN_SN_ACTIVE 20 /* sec, indicates supernodes that are proven to be active */
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#define LAST_SEEN_SN_INACTIVE 90 /* sec, indicates supernodes that are proven to be inactive: they will be purged */
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#define LAST_SEEN_SN_NEW (LAST_SEEN_SN_INACTIVE - LAST_SEEN_SN_ACTIVE) / 2 /* sec, indicates supernodes with unsure status, must be tested to check if they are active */
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#define LAST_SEEN_SN_ACTIVE 20 /* sec, indicates supernodes that are proven to be active */
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#define LAST_SEEN_SN_INACTIVE 90 /* sec, indicates supernodes that are proven to be inactive: they will be purged */
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#define LAST_SEEN_SN_NEW (LAST_SEEN_SN_INACTIVE - LAST_SEEN_SN_ACTIVE) / 2 /* sec, indicates supernodes with unsure status, must be tested to check if they are active */
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#define IFACE_UPDATE_INTERVAL (30) /* sec. How long it usually takes to get an IP lease. */
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#define TRANSOP_TICK_INTERVAL (10) /* sec */
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#define IFACE_UPDATE_INTERVAL (30) /* sec. How long it usually takes to get an IP lease. */
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#define TRANSOP_TICK_INTERVAL (10) /* sec */
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#define SORT_COMMUNITIES_INTERVAL 90 /* sec. until supernode sorts communities' hash list again */
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#define SORT_COMMUNITIES_INTERVAL 90 /* sec. until supernode sorts communities' hash list again */
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#define ETH_FRAMESIZE 14
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#define IP4_SRCOFFSET 12
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@ -66,61 +66,61 @@
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#define UDP_SIZE 8
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/* parameters for replay protection */
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#define TIME_STAMP_FRAME 0x0000001000000000LL /* clocks of different computers are allowed +/- 16 seconds to be off */
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#define TIME_STAMP_JITTER 0x0000000027100000LL /* we allow a packet to arrive 160 ms (== 0x27100 us) before another
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* set to 0x0000000000000000LL if increasing (or equal) time stamps allowed only */
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#define TIME_STAMP_ALLOW_JITTER 1 /* constant for allowing or... */
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#define TIME_STAMP_NO_JITTER 0 /* not allowing jitter to be considered */
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#define TIME_STAMP_FRAME 0x0000001000000000LL /* clocks of different computers are allowed +/- 16 seconds to be off */
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#define TIME_STAMP_JITTER 0x0000000027100000LL /* we allow a packet to arrive 160 ms (== 0x27100 us) before another
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* set to 0x0000000000000000LL if increasing (or equal) time stamps allowed only */
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#define TIME_STAMP_ALLOW_JITTER 1 /* constant for allowing or... */
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#define TIME_STAMP_NO_JITTER 0 /* not allowing jitter to be considered */
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/* N2N compression indicators. */
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/* Compression is disabled by default for outgoing packets if no cli
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* option is given. All edges are built with decompression support so
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* they are able to understand each other (this applies to lzo only). */
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#define N2N_COMPRESSION_ID_INVALID 0
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#define N2N_COMPRESSION_ID_NONE 1 /* default, see edge_init_conf_defaults(...) in edge_utils.c */
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#define N2N_COMPRESSION_ID_LZO 2 /* set if '-z1' or '-z' cli option is present, see setOption(...) in edge.c */
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#define N2N_COMPRESSION_ID_ZSTD 3 /* set if '-z2' cli option is present, available only if compiled with zstd lib */
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#define ZSTD_COMPRESSION_LEVEL 7 /* 1 (faster) ... 22 (more compression) */
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#define N2N_COMPRESSION_ID_INVALID 0
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#define N2N_COMPRESSION_ID_NONE 1 /* default, see edge_init_conf_defaults(...) in edge_utils.c */
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#define N2N_COMPRESSION_ID_LZO 2 /* set if '-z1' or '-z' cli option is present, see setOption(...) in edge.c */
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#define N2N_COMPRESSION_ID_ZSTD 3 /* set if '-z2' cli option is present, available only if compiled with zstd lib */
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#define ZSTD_COMPRESSION_LEVEL 7 /* 1 (faster) ... 22 (more compression) */
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/* Federation name and indicators */
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#define FEDERATION_NAME "*Federation"
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enum federation{IS_NO_FEDERATION = 0,IS_FEDERATION = 1};
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/* (un)purgeable community indicator (supernode) */
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#define COMMUNITY_UNPURGEABLE 0
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#define COMMUNITY_PURGEABLE 1
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#define COMMUNITY_UNPURGEABLE 0
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#define COMMUNITY_PURGEABLE 1
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/* (un)purgeable supernode indicator */
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enum sn_purge{SN_PURGEABLE = 0, SN_UNPURGEABLE = 1};
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/* Header encryption indicators */
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#define HEADER_ENCRYPTION_UNKNOWN 0
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#define HEADER_ENCRYPTION_NONE 1
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#define HEADER_ENCRYPTION_ENABLED 2
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#define HEADER_ENCRYPTION_UNKNOWN 0
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#define HEADER_ENCRYPTION_NONE 1
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#define HEADER_ENCRYPTION_ENABLED 2
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#define DEFAULT_MTU 1290
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#define DEFAULT_MTU 1290
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#define HASH_ADD_PEER(head,add) \
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HASH_ADD(hh,head,mac_addr,sizeof(n2n_mac_t),add)
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#define HASH_FIND_PEER(head,mac,out) \
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HASH_FIND(hh,head,mac,sizeof(n2n_mac_t),out)
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#define N2N_EDGE_SN_HOST_SIZE 48
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#define N2N_EDGE_NUM_SUPERNODES 2
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#define N2N_EDGE_SUP_ATTEMPTS 3 /* Number of failed attmpts before moving on to next supernode. */
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#define N2N_PATHNAME_MAXLEN 256
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#define N2N_EDGE_MGMT_PORT 5644
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#define N2N_SN_MGMT_PORT 5645
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#define HASH_ADD_PEER(head,add) \
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HASH_ADD(hh,head,mac_addr,sizeof(n2n_mac_t),add)
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#define HASH_FIND_PEER(head,mac,out) \
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HASH_FIND(hh,head,mac,sizeof(n2n_mac_t),out)
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#define N2N_EDGE_SN_HOST_SIZE 48
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#define N2N_EDGE_NUM_SUPERNODES 2
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#define N2N_EDGE_SUP_ATTEMPTS 3 /* Number of failed attmpts before moving on to next supernode. */
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#define N2N_PATHNAME_MAXLEN 256
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#define N2N_EDGE_MGMT_PORT 5644
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#define N2N_SN_MGMT_PORT 5645
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/* flag used in add_sn_to_list_by_mac_or_sock */
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enum skip_add{SN_ADD = 0, SN_ADD_SKIP = 1, SN_ADD_ADDED = 2};
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#define N2N_NETMASK_STR_SIZE 16 /* dotted decimal 12 numbers + 3 dots */
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#define N2N_MACNAMSIZ 18 /* AA:BB:CC:DD:EE:FF + NULL*/
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#define N2N_IF_MODE_SIZE 16 /* static | dhcp */
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#define N2N_NETMASK_STR_SIZE 16 /* dotted decimal 12 numbers + 3 dots */
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#define N2N_MACNAMSIZ 18 /* AA:BB:CC:DD:EE:FF + NULL*/
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#define N2N_IF_MODE_SIZE 16 /* static | dhcp */
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#define N2N_EDGE_DEFAULT_DEV_NAME "edge0"
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#define N2N_EDGE_DEFAULT_NETMASK "255.255.255.0" /* default netmask for edge ip address... */
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#define N2N_EDGE_DEFAULT_CIDR_NM 24 /* ... also in cidr format */
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#define N2N_EDGE_DEFAULT_DEV_NAME "edge0"
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#define N2N_EDGE_DEFAULT_NETMASK "255.255.255.0" /* default netmask for edge ip address... */
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#define N2N_EDGE_DEFAULT_CIDR_NM 24 /* ... also in cidr format */
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#define N2N_SN_LPORT_DEFAULT 7654
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#define N2N_SN_PKTBUF_SIZE 2048
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@ -138,34 +138,34 @@ enum skip_add{SN_ADD = 0, SN_ADD_SKIP = 1, SN_ADD_ADDED = 2};
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/* ************************************** */
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#define SUPERNODE_IP "127.0.0.1"
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#define SUPERNODE_PORT 1234
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#define SUPERNODE_IP "127.0.0.1"
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#define SUPERNODE_PORT 1234
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/* ************************************** */
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#define N2N_PKT_VERSION 3
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#define N2N_DEFAULT_TTL 2 /* can be forwarded twice at most */
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#define N2N_COMMUNITY_SIZE 16
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#define N2N_MAC_SIZE 6
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#define N2N_COOKIE_SIZE 4
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#define N2N_DESC_SIZE 16
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#define N2N_PKT_BUF_SIZE 2048
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#define N2N_SOCKBUF_SIZE 64 /* string representation of INET or INET6 sockets */
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#define N2N_PKT_VERSION 3
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#define N2N_DEFAULT_TTL 2 /* can be forwarded twice at most */
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#define N2N_COMMUNITY_SIZE 16
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#define N2N_MAC_SIZE 6
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#define N2N_COOKIE_SIZE 4
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#define N2N_DESC_SIZE 16
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#define N2N_PKT_BUF_SIZE 2048
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#define N2N_SOCKBUF_SIZE 64 /* string representation of INET or INET6 sockets */
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#define N2N_MULTICAST_PORT 1968
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#define N2N_MULTICAST_GROUP "224.0.0.68"
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#define N2N_MULTICAST_PORT 1968
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#define N2N_MULTICAST_GROUP "224.0.0.68"
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#ifdef WIN32
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#define N2N_IFNAMSIZ 64
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#define N2N_IFNAMSIZ 64
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#else
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#define N2N_IFNAMSIZ 16 /* 15 chars * NULL */
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#define N2N_IFNAMSIZ 16 /* 15 chars * NULL */
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#endif
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#define SN_SELECTION_CRITERION_DATA_TYPE uint32_t
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#define SN_SELECTION_CRITERION_BUF_SIZE 14
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#define SN_SELECTION_CRITERION_DATA_TYPE uint32_t
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#define SN_SELECTION_CRITERION_BUF_SIZE 14
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#define N2N_TRANSFORM_ID_USER_START 64
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#define N2N_TRANSFORM_ID_MAX 65535
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#define N2N_TRANSFORM_ID_USER_START 64
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#define N2N_TRANSFORM_ID_MAX 65535
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#ifndef max
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#define max(a, b) ((a < b) ? b : a)
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@ -8,7 +8,7 @@
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
|
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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@ -29,21 +29,21 @@
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*
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* Supports:
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* ---------
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* '.' Dot, matches any character
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* '^' Start anchor, matches beginning of string
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* '$' End anchor, matches end of string
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* '*' Asterisk, match zero or more (greedy)
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* '+' Plus, match one or more (greedy)
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* '?' Question, match zero or one (non-greedy)
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* '[abc]' Character class, match if one of {'a', 'b', 'c'}
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* '[^abc]' Inverted class, match if NOT one of {'a', 'b', 'c'} -- NOTE: feature is currently broken!
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* '[a-zA-Z]' Character ranges, the character set of the ranges { a-z | A-Z }
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* '\s' Whitespace, \t \f \r \n \v and spaces
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* '\S' Non-whitespace
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* '\w' Alphanumeric, [a-zA-Z0-9_]
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* '\W' Non-alphanumeric
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* '\d' Digits, [0-9]
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* '\D' Non-digits
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* '.' Dot, matches any character
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* '^' Start anchor, matches beginning of string
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* '$' End anchor, matches end of string
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* '*' Asterisk, match zero or more (greedy)
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* '+' Plus, match one or more (greedy)
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* '?' Question, match zero or one (non-greedy)
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* '[abc]' Character class, match if one of {'a', 'b', 'c'}
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* '[^abc]' Inverted class, match if NOT one of {'a', 'b', 'c'} -- NOTE: feature is currently broken!
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* '[a-zA-Z]' Character ranges, the character set of the ranges { a-z | A-Z }
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* '\s' Whitespace, \t \f \r \n \v and spaces
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* '\S' Non-whitespace
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* '\w' Alphanumeric, [a-zA-Z0-9_]
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* '\W' Non-alphanumeric
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* '\d' Digits, [0-9]
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* '\D' Non-digits
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*
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*
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*/
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@ -62,7 +62,7 @@ re_t re_compile (const char* pattern);
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/* Find matches of the compiled pattern inside text. */
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int re_matchp (re_t pattern, const char* text, int* matchlenght);
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int re_matchp (re_t pattern, const char* text, int* matchlenght);
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/* Find matches of the txt pattern inside text (will compile automatically first). */
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|
|
@ -8,7 +8,7 @@
|
|||
*
|
||||
* This program 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
|
||||
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
||||
* GNU General Public License for more details.
|
||||
*
|
||||
* You should have received a copy of the GNU General Public License
|
||||
|
|
@ -25,14 +25,14 @@ typedef uint8_t n2n_community_t[N2N_COMMUNITY_SIZE];
|
|||
typedef uint8_t n2n_mac_t[N2N_MAC_SIZE];
|
||||
typedef uint8_t n2n_cookie_t[N2N_COOKIE_SIZE];
|
||||
typedef uint8_t n2n_desc_t[N2N_DESC_SIZE];
|
||||
typedef char n2n_sock_str_t[N2N_SOCKBUF_SIZE]; /* tracing string buffer */
|
||||
typedef char n2n_sock_str_t[N2N_SOCKBUF_SIZE]; /* tracing string buffer */
|
||||
|
||||
#if defined(_MSC_VER) || defined(__MINGW32__)
|
||||
#include "getopt.h"
|
||||
|
||||
/* Other Win environments are expected to support stdint.h */
|
||||
/* Other Win environments are expected to support stdint.h */
|
||||
|
||||
/* stdint.h typedefs (C99) (not present in Visual Studio) */
|
||||
/* stdint.h typedefs (C99) (not present in Visual Studio) */
|
||||
typedef unsigned int uint32_t;
|
||||
typedef unsigned short uint16_t;
|
||||
typedef unsigned char uint8_t;
|
||||
|
|
@ -120,9 +120,9 @@ typedef unsigned long in_addr_t;
|
|||
#define ETH_ADDR_LEN 6
|
||||
|
||||
struct ether_hdr {
|
||||
uint8_t dhost[ETH_ADDR_LEN];
|
||||
uint8_t shost[ETH_ADDR_LEN];
|
||||
uint16_t type; /* higher layer protocol encapsulated */
|
||||
uint8_t dhost[ETH_ADDR_LEN];
|
||||
uint8_t shost[ETH_ADDR_LEN];
|
||||
uint16_t type; /* higher layer protocol encapsulated */
|
||||
} PACK_STRUCT;
|
||||
|
||||
typedef struct ether_hdr ether_hdr_t;
|
||||
|
|
@ -130,45 +130,45 @@ typedef struct ether_hdr ether_hdr_t;
|
|||
|
||||
struct n2n_iphdr {
|
||||
#if defined(__LITTLE_ENDIAN__)
|
||||
u_int8_t ihl:4, version:4;
|
||||
u_int8_t ihl:4, version:4;
|
||||
#elif defined(__BIG_ENDIAN__)
|
||||
u_int8_t version:4, ihl:4;
|
||||
u_int8_t version:4, ihl:4;
|
||||
#else
|
||||
# error "Byte order must be defined"
|
||||
#endif
|
||||
u_int8_t tos;
|
||||
u_int16_t tot_len;
|
||||
u_int16_t id;
|
||||
u_int16_t frag_off;
|
||||
u_int8_t ttl;
|
||||
u_int8_t protocol;
|
||||
u_int16_t check;
|
||||
u_int32_t saddr;
|
||||
u_int32_t daddr;
|
||||
u_int8_t tos;
|
||||
u_int16_t tot_len;
|
||||
u_int16_t id;
|
||||
u_int16_t frag_off;
|
||||
u_int8_t ttl;
|
||||
u_int8_t protocol;
|
||||
u_int16_t check;
|
||||
u_int32_t saddr;
|
||||
u_int32_t daddr;
|
||||
} PACK_STRUCT;
|
||||
|
||||
struct n2n_tcphdr {
|
||||
u_int16_t source;
|
||||
u_int16_t dest;
|
||||
u_int32_t seq;
|
||||
u_int32_t ack_seq;
|
||||
u_int16_t source;
|
||||
u_int16_t dest;
|
||||
u_int32_t seq;
|
||||
u_int32_t ack_seq;
|
||||
#if defined(__LITTLE_ENDIAN__)
|
||||
u_int16_t res1:4, doff:4, fin:1, syn:1, rst:1, psh:1, ack:1, urg:1, ece:1, cwr:1;
|
||||
u_int16_t res1:4, doff:4, fin:1, syn:1, rst:1, psh:1, ack:1, urg:1, ece:1, cwr:1;
|
||||
#elif defined(__BIG_ENDIAN__)
|
||||
u_int16_t doff:4, res1:4, cwr:1, ece:1, urg:1, ack:1, psh:1, rst:1, syn:1, fin:1;
|
||||
u_int16_t doff:4, res1:4, cwr:1, ece:1, urg:1, ack:1, psh:1, rst:1, syn:1, fin:1;
|
||||
#else
|
||||
# error "Byte order must be defined"
|
||||
#endif
|
||||
u_int16_t window;
|
||||
u_int16_t check;
|
||||
u_int16_t urg_ptr;
|
||||
u_int16_t window;
|
||||
u_int16_t check;
|
||||
u_int16_t urg_ptr;
|
||||
} PACK_STRUCT;
|
||||
|
||||
struct n2n_udphdr {
|
||||
u_int16_t source;
|
||||
u_int16_t dest;
|
||||
u_int16_t len;
|
||||
u_int16_t check;
|
||||
u_int16_t source;
|
||||
u_int16_t dest;
|
||||
u_int16_t len;
|
||||
u_int16_t check;
|
||||
} PACK_STRUCT;
|
||||
|
||||
#if defined(_MSC_VER) || defined(__MINGW32__)
|
||||
|
|
@ -177,42 +177,42 @@ struct n2n_udphdr {
|
|||
|
||||
|
||||
typedef struct port_range {
|
||||
uint16_t start_port; // range contain 'start_port' self
|
||||
uint16_t end_port; // range contain 'end_port' self
|
||||
uint16_t start_port; // range contain 'start_port' self
|
||||
uint16_t end_port; // range contain 'end_port' self
|
||||
} port_range_t;
|
||||
|
||||
typedef struct filter_rule_key {
|
||||
in_addr_t src_net_cidr;
|
||||
uint8_t src_net_bit_len;
|
||||
port_range_t src_port_range;
|
||||
in_addr_t dst_net_cidr;
|
||||
uint8_t dst_net_bit_len;
|
||||
port_range_t dst_port_range;
|
||||
uint8_t bool_tcp_configured;
|
||||
uint8_t bool_udp_configured;
|
||||
uint8_t bool_icmp_configured;
|
||||
in_addr_t src_net_cidr;
|
||||
uint8_t src_net_bit_len;
|
||||
port_range_t src_port_range;
|
||||
in_addr_t dst_net_cidr;
|
||||
uint8_t dst_net_bit_len;
|
||||
port_range_t dst_port_range;
|
||||
uint8_t bool_tcp_configured;
|
||||
uint8_t bool_udp_configured;
|
||||
uint8_t bool_icmp_configured;
|
||||
} filter_rule_key_t;
|
||||
|
||||
typedef struct filter_rule {
|
||||
filter_rule_key_t key;
|
||||
filter_rule_key_t key;
|
||||
|
||||
uint8_t bool_accept_icmp;
|
||||
uint8_t bool_accept_udp;
|
||||
uint8_t bool_accept_tcp;
|
||||
uint8_t bool_accept_icmp;
|
||||
uint8_t bool_accept_udp;
|
||||
uint8_t bool_accept_tcp;
|
||||
|
||||
UT_hash_handle hh; /* makes this structure hashable */
|
||||
UT_hash_handle hh; /* makes this structure hashable */
|
||||
} filter_rule_t;
|
||||
|
||||
|
||||
#ifndef WIN32
|
||||
typedef struct tuntap_dev {
|
||||
int fd;
|
||||
int if_idx;
|
||||
n2n_mac_t mac_addr;
|
||||
uint32_t ip_addr;
|
||||
uint32_t device_mask;
|
||||
uint16_t mtu;
|
||||
char dev_name[N2N_IFNAMSIZ];
|
||||
int fd;
|
||||
int if_idx;
|
||||
n2n_mac_t mac_addr;
|
||||
uint32_t ip_addr;
|
||||
uint32_t device_mask;
|
||||
uint16_t mtu;
|
||||
char dev_name[N2N_IFNAMSIZ];
|
||||
} tuntap_dev;
|
||||
|
||||
#define SOCKET int
|
||||
|
|
@ -235,200 +235,200 @@ typedef struct speck_context_t he_context_t;
|
|||
typedef char n2n_sn_name_t[N2N_EDGE_SN_HOST_SIZE];
|
||||
|
||||
typedef enum n2n_pc {
|
||||
n2n_ping = 0, /* Not used */
|
||||
n2n_register = 1, /* Register edge to edge */
|
||||
n2n_deregister = 2, /* Deregister this edge */
|
||||
n2n_packet = 3, /* PACKET data content */
|
||||
n2n_register_ack = 4, /* ACK of a registration from edge to edge */
|
||||
n2n_register_super = 5, /* Register edge to supernode */
|
||||
n2n_unregister_super = 6, /* Deregister edge from supernode */
|
||||
n2n_register_super_ack = 7, /* ACK from supernode to edge */
|
||||
n2n_register_super_nak = 8, /* NAK from supernode to edge - registration refused */
|
||||
n2n_federation = 9, /* Not used by edge */
|
||||
n2n_peer_info = 10, /* Send info on a peer from sn to edge */
|
||||
n2n_query_peer = 11 /* ask supernode for info on a peer */
|
||||
n2n_ping = 0, /* Not used */
|
||||
n2n_register = 1, /* Register edge to edge */
|
||||
n2n_deregister = 2, /* Deregister this edge */
|
||||
n2n_packet = 3, /* PACKET data content */
|
||||
n2n_register_ack = 4, /* ACK of a registration from edge to edge */
|
||||
n2n_register_super = 5, /* Register edge to supernode */
|
||||
n2n_unregister_super = 6, /* Deregister edge from supernode */
|
||||
n2n_register_super_ack = 7, /* ACK from supernode to edge */
|
||||
n2n_register_super_nak = 8, /* NAK from supernode to edge - registration refused */
|
||||
n2n_federation = 9, /* Not used by edge */
|
||||
n2n_peer_info = 10, /* Send info on a peer from sn to edge */
|
||||
n2n_query_peer = 11 /* ask supernode for info on a peer */
|
||||
} n2n_pc_t;
|
||||
|
||||
#define N2N_FLAGS_OPTIONS 0x0080
|
||||
#define N2N_FLAGS_SOCKET 0x0040
|
||||
#define N2N_FLAGS_FROM_SUPERNODE 0x0020
|
||||
#define N2N_FLAGS_OPTIONS 0x0080
|
||||
#define N2N_FLAGS_SOCKET 0x0040
|
||||
#define N2N_FLAGS_FROM_SUPERNODE 0x0020
|
||||
|
||||
/* The bits in flag that are the packet type */
|
||||
#define N2N_FLAGS_TYPE_MASK 0x001f /* 0 - 31 */
|
||||
#define N2N_FLAGS_BITS_MASK 0xffe0
|
||||
#define N2N_FLAGS_TYPE_MASK 0x001f /* 0 - 31 */
|
||||
#define N2N_FLAGS_BITS_MASK 0xffe0
|
||||
|
||||
#define IPV4_SIZE 4
|
||||
#define IPV6_SIZE 16
|
||||
#define IPV4_SIZE 4
|
||||
#define IPV6_SIZE 16
|
||||
|
||||
|
||||
#define N2N_AUTH_TOKEN_SIZE 32 /* bytes */
|
||||
#define N2N_AUTH_TOKEN_SIZE 32 /* bytes */
|
||||
|
||||
|
||||
#define N2N_EUNKNOWN -1
|
||||
#define N2N_ENOTIMPL -2
|
||||
#define N2N_EINVAL -3
|
||||
#define N2N_ENOSPACE -4
|
||||
#define N2N_EUNKNOWN -1
|
||||
#define N2N_ENOTIMPL -2
|
||||
#define N2N_EINVAL -3
|
||||
#define N2N_ENOSPACE -4
|
||||
|
||||
typedef struct n2n_ip_subnet {
|
||||
uint32_t net_addr; /* Host order IP address. */
|
||||
uint8_t net_bitlen; /* Subnet prefix. */
|
||||
uint32_t net_addr; /* Host order IP address. */
|
||||
uint8_t net_bitlen; /* Subnet prefix. */
|
||||
} n2n_ip_subnet_t;
|
||||
|
||||
|
||||
typedef struct n2n_sock {
|
||||
uint8_t family; /* AF_INET or AF_INET6; or 0 if invalid */
|
||||
uint16_t port; /* host order */
|
||||
union {
|
||||
uint8_t v6[IPV6_SIZE]; /* byte sequence */
|
||||
uint8_t v4[IPV4_SIZE]; /* byte sequence */
|
||||
} addr;
|
||||
uint8_t family; /* AF_INET or AF_INET6; or 0 if invalid */
|
||||
uint16_t port; /* host order */
|
||||
union {
|
||||
uint8_t v6[IPV6_SIZE]; /* byte sequence */
|
||||
uint8_t v4[IPV4_SIZE]; /* byte sequence */
|
||||
} addr;
|
||||
} n2n_sock_t;
|
||||
|
||||
typedef enum {
|
||||
n2n_auth_none = 0,
|
||||
n2n_auth_simple_id = 1
|
||||
n2n_auth_none = 0,
|
||||
n2n_auth_simple_id = 1
|
||||
} n2n_auth_scheme_t;
|
||||
|
||||
typedef enum {
|
||||
update_edge_no_change = 0,
|
||||
update_edge_sock_change = 1,
|
||||
update_edge_new_sn = 2,
|
||||
update_edge_auth_fail = -1
|
||||
update_edge_no_change = 0,
|
||||
update_edge_sock_change = 1,
|
||||
update_edge_new_sn = 2,
|
||||
update_edge_auth_fail = -1
|
||||
} update_edge_ret_value_t;
|
||||
|
||||
typedef struct n2n_auth {
|
||||
uint16_t scheme; /* What kind of auth */
|
||||
uint16_t toksize; /* Size of auth token */
|
||||
uint8_t token[N2N_AUTH_TOKEN_SIZE]; /* Auth data interpreted based on scheme */
|
||||
uint16_t scheme; /* What kind of auth */
|
||||
uint16_t toksize; /* Size of auth token */
|
||||
uint8_t token[N2N_AUTH_TOKEN_SIZE]; /* Auth data interpreted based on scheme */
|
||||
} n2n_auth_t;
|
||||
|
||||
typedef struct n2n_common {
|
||||
/* NOTE: wire representation is different! */
|
||||
/* int version; */
|
||||
/* NOTE: wire representation is different! */
|
||||
/* int version; */
|
||||
|
||||
uint8_t ttl;
|
||||
uint8_t pc;
|
||||
uint16_t flags;
|
||||
n2n_community_t community;
|
||||
uint8_t ttl;
|
||||
uint8_t pc;
|
||||
uint16_t flags;
|
||||
n2n_community_t community;
|
||||
} n2n_common_t;
|
||||
|
||||
typedef struct n2n_REGISTER {
|
||||
n2n_cookie_t cookie; /**< Link REGISTER and REGISTER_ACK */
|
||||
n2n_mac_t srcMac; /**< MAC of registering party */
|
||||
n2n_mac_t dstMac; /**< MAC of target edge */
|
||||
n2n_sock_t sock; /**< REVISIT: unused? */
|
||||
n2n_ip_subnet_t dev_addr; /**< IP address of the tuntap adapter. */
|
||||
n2n_desc_t dev_desc; /**< Hint description correlated with the edge */
|
||||
n2n_cookie_t cookie; /**< Link REGISTER and REGISTER_ACK */
|
||||
n2n_mac_t srcMac; /**< MAC of registering party */
|
||||
n2n_mac_t dstMac; /**< MAC of target edge */
|
||||
n2n_sock_t sock; /**< REVISIT: unused? */
|
||||
n2n_ip_subnet_t dev_addr; /**< IP address of the tuntap adapter. */
|
||||
n2n_desc_t dev_desc; /**< Hint description correlated with the edge */
|
||||
} n2n_REGISTER_t;
|
||||
|
||||
typedef struct n2n_REGISTER_ACK {
|
||||
n2n_cookie_t cookie; /**< Return cookie from REGISTER */
|
||||
n2n_mac_t srcMac; /**< MAC of acknowledging party (supernode or edge) */
|
||||
n2n_mac_t dstMac; /**< Reflected MAC of registering edge from REGISTER */
|
||||
n2n_sock_t sock; /**< Supernode's view of edge socket (IP Addr, port) */
|
||||
n2n_cookie_t cookie; /**< Return cookie from REGISTER */
|
||||
n2n_mac_t srcMac; /**< MAC of acknowledging party (supernode or edge) */
|
||||
n2n_mac_t dstMac; /**< Reflected MAC of registering edge from REGISTER */
|
||||
n2n_sock_t sock; /**< Supernode's view of edge socket (IP Addr, port) */
|
||||
} n2n_REGISTER_ACK_t;
|
||||
|
||||
typedef struct n2n_PACKET {
|
||||
n2n_mac_t srcMac;
|
||||
n2n_mac_t dstMac;
|
||||
n2n_sock_t sock;
|
||||
uint8_t transform;
|
||||
uint8_t compression;
|
||||
n2n_mac_t srcMac;
|
||||
n2n_mac_t dstMac;
|
||||
n2n_sock_t sock;
|
||||
uint8_t transform;
|
||||
uint8_t compression;
|
||||
} n2n_PACKET_t;
|
||||
|
||||
/* Linked with n2n_register_super in n2n_pc_t. Only from edge to supernode. */
|
||||
typedef struct n2n_REGISTER_SUPER {
|
||||
n2n_cookie_t cookie; /**< Link REGISTER_SUPER and REGISTER_SUPER_ACK */
|
||||
n2n_mac_t edgeMac; /**< MAC to register with edge sending socket */
|
||||
n2n_sock_t sock; /**< Sending socket associated with srcMac */
|
||||
n2n_ip_subnet_t dev_addr; /**< IP address of the tuntap adapter. */
|
||||
n2n_desc_t dev_desc; /**< Hint description correlated with the edge */
|
||||
n2n_auth_t auth; /**< Authentication scheme and tokens */
|
||||
n2n_cookie_t cookie; /**< Link REGISTER_SUPER and REGISTER_SUPER_ACK */
|
||||
n2n_mac_t edgeMac; /**< MAC to register with edge sending socket */
|
||||
n2n_sock_t sock; /**< Sending socket associated with srcMac */
|
||||
n2n_ip_subnet_t dev_addr; /**< IP address of the tuntap adapter. */
|
||||
n2n_desc_t dev_desc; /**< Hint description correlated with the edge */
|
||||
n2n_auth_t auth; /**< Authentication scheme and tokens */
|
||||
} n2n_REGISTER_SUPER_t;
|
||||
|
||||
|
||||
/* Linked with n2n_register_super_ack in n2n_pc_t. Only from supernode to edge. */
|
||||
typedef struct n2n_REGISTER_SUPER_ACK {
|
||||
n2n_cookie_t cookie; /**< Return cookie from REGISTER_SUPER */
|
||||
n2n_mac_t edgeMac; /**< MAC registered to edge sending socket */
|
||||
n2n_ip_subnet_t dev_addr; /**< Assign an IP address to the tuntap adapter of edge. */
|
||||
uint16_t lifetime; /**< How long the registration will live */
|
||||
n2n_sock_t sock; /**< Sending sockets associated with edgeMac */
|
||||
n2n_cookie_t cookie; /**< Return cookie from REGISTER_SUPER */
|
||||
n2n_mac_t edgeMac; /**< MAC registered to edge sending socket */
|
||||
n2n_ip_subnet_t dev_addr; /**< Assign an IP address to the tuntap adapter of edge. */
|
||||
uint16_t lifetime; /**< How long the registration will live */
|
||||
n2n_sock_t sock; /**< Sending sockets associated with edgeMac */
|
||||
|
||||
/** The packet format provides additional supernode definitions here.
|
||||
* uint8_t count, then for each count there is one
|
||||
* n2n_sock_t.
|
||||
*/
|
||||
uint8_t num_sn; /**< Number of supernodes that were send
|
||||
* even if we cannot store them all. If
|
||||
* non-zero then sn_bak is valid. */
|
||||
/** The packet format provides additional supernode definitions here.
|
||||
* uint8_t count, then for each count there is one
|
||||
* n2n_sock_t.
|
||||
*/
|
||||
uint8_t num_sn; /**< Number of supernodes that were send
|
||||
* even if we cannot store them all. If
|
||||
* non-zero then sn_bak is valid. */
|
||||
} n2n_REGISTER_SUPER_ACK_t;
|
||||
|
||||
|
||||
/* Linked with n2n_register_super_ack in n2n_pc_t. Only from supernode to edge. */
|
||||
typedef struct n2n_REGISTER_SUPER_NAK {
|
||||
n2n_cookie_t cookie; /* Return cookie from REGISTER_SUPER */
|
||||
n2n_mac_t srcMac;
|
||||
n2n_cookie_t cookie; /* Return cookie from REGISTER_SUPER */
|
||||
n2n_mac_t srcMac;
|
||||
} n2n_REGISTER_SUPER_NAK_t;
|
||||
|
||||
|
||||
/* REGISTER_SUPER_ACK may contain extra payload (their number given by num_sn)
|
||||
* of following type describing a(nother) supernode */
|
||||
typedef struct n2n_REGISTER_SUPER_ACK_payload {
|
||||
n2n_sock_t sock; /**< socket of supernode */
|
||||
n2n_mac_t mac; /**< MAC of supernode */
|
||||
n2n_sock_t sock; /**< socket of supernode */
|
||||
n2n_mac_t mac; /**< MAC of supernode */
|
||||
} n2n_REGISTER_SUPER_ACK_payload_t;
|
||||
|
||||
|
||||
/* Linked with n2n_unregister_super in n2n_pc_t. */
|
||||
typedef struct n2n_UNREGISTER_SUPER {
|
||||
n2n_auth_t auth;
|
||||
n2n_mac_t srcMac;
|
||||
n2n_auth_t auth;
|
||||
n2n_mac_t srcMac;
|
||||
} n2n_UNREGISTER_SUPER_t;
|
||||
|
||||
|
||||
typedef struct n2n_PEER_INFO {
|
||||
uint16_t aflags;
|
||||
n2n_mac_t srcMac;
|
||||
n2n_mac_t mac;
|
||||
n2n_sock_t sock;
|
||||
SN_SELECTION_CRITERION_DATA_TYPE data;
|
||||
uint16_t aflags;
|
||||
n2n_mac_t srcMac;
|
||||
n2n_mac_t mac;
|
||||
n2n_sock_t sock;
|
||||
SN_SELECTION_CRITERION_DATA_TYPE data;
|
||||
} n2n_PEER_INFO_t;
|
||||
|
||||
|
||||
typedef struct n2n_QUERY_PEER {
|
||||
n2n_mac_t srcMac;
|
||||
n2n_sock_t sock;
|
||||
n2n_mac_t targetMac;
|
||||
n2n_mac_t srcMac;
|
||||
n2n_sock_t sock;
|
||||
n2n_mac_t targetMac;
|
||||
} n2n_QUERY_PEER_t;
|
||||
|
||||
typedef struct n2n_buf n2n_buf_t;
|
||||
|
||||
struct peer_info {
|
||||
n2n_mac_t mac_addr;
|
||||
n2n_ip_subnet_t dev_addr;
|
||||
n2n_desc_t dev_desc;
|
||||
n2n_sock_t sock;
|
||||
n2n_cookie_t last_cookie;
|
||||
n2n_auth_t auth;
|
||||
int timeout;
|
||||
uint8_t purgeable;
|
||||
time_t last_seen;
|
||||
time_t last_p2p;
|
||||
time_t last_sent_query;
|
||||
SN_SELECTION_CRITERION_DATA_TYPE selection_criterion;
|
||||
uint64_t last_valid_time_stamp;
|
||||
char *ip_addr;
|
||||
n2n_mac_t mac_addr;
|
||||
n2n_ip_subnet_t dev_addr;
|
||||
n2n_desc_t dev_desc;
|
||||
n2n_sock_t sock;
|
||||
n2n_cookie_t last_cookie;
|
||||
n2n_auth_t auth;
|
||||
int timeout;
|
||||
uint8_t purgeable;
|
||||
time_t last_seen;
|
||||
time_t last_p2p;
|
||||
time_t last_sent_query;
|
||||
SN_SELECTION_CRITERION_DATA_TYPE selection_criterion;
|
||||
uint64_t last_valid_time_stamp;
|
||||
char *ip_addr;
|
||||
|
||||
UT_hash_handle hh; /* makes this structure hashable */
|
||||
UT_hash_handle hh; /* makes this structure hashable */
|
||||
};
|
||||
|
||||
typedef struct peer_info peer_info_t;
|
||||
|
||||
typedef struct n2n_route {
|
||||
in_addr_t net_addr;
|
||||
uint8_t net_bitlen;
|
||||
in_addr_t gateway;
|
||||
in_addr_t net_addr;
|
||||
uint8_t net_bitlen;
|
||||
in_addr_t gateway;
|
||||
} n2n_route_t;
|
||||
|
||||
typedef struct n2n_edge n2n_edge_t;
|
||||
|
|
@ -436,53 +436,53 @@ typedef struct n2n_edge n2n_edge_t;
|
|||
/* *************************************************** */
|
||||
|
||||
typedef enum {
|
||||
N2N_ACCEPT = 0,
|
||||
N2N_DROP = 1
|
||||
N2N_ACCEPT = 0,
|
||||
N2N_DROP = 1
|
||||
} n2n_verdict;
|
||||
|
||||
/* *************************************************** */
|
||||
|
||||
typedef enum {
|
||||
FPP_UNKNOWN = 0,
|
||||
FPP_ARP = 1,
|
||||
FPP_TCP = 2,
|
||||
FPP_UDP = 3,
|
||||
FPP_ICMP = 4,
|
||||
FPP_IGMP = 5
|
||||
FPP_UNKNOWN = 0,
|
||||
FPP_ARP = 1,
|
||||
FPP_TCP = 2,
|
||||
FPP_UDP = 3,
|
||||
FPP_ICMP = 4,
|
||||
FPP_IGMP = 5
|
||||
} filter_packet_proto;
|
||||
|
||||
|
||||
typedef struct packet_address_proto_info {
|
||||
in_addr_t src_ip;
|
||||
uint16_t src_port;
|
||||
in_addr_t dst_ip;
|
||||
uint16_t dst_port;
|
||||
filter_packet_proto proto;
|
||||
in_addr_t src_ip;
|
||||
uint16_t src_port;
|
||||
in_addr_t dst_ip;
|
||||
uint16_t dst_port;
|
||||
filter_packet_proto proto;
|
||||
}packet_address_proto_info_t;
|
||||
|
||||
typedef struct filter_rule_pair_cache {
|
||||
packet_address_proto_info_t key;
|
||||
packet_address_proto_info_t key;
|
||||
|
||||
uint8_t bool_allow_traffic;
|
||||
uint32_t active_count;
|
||||
uint8_t bool_allow_traffic;
|
||||
uint32_t active_count;
|
||||
|
||||
UT_hash_handle hh; /* makes this structure hashable */
|
||||
UT_hash_handle hh; /* makes this structure hashable */
|
||||
} filter_rule_pair_cache_t;
|
||||
|
||||
struct network_traffic_filter;
|
||||
typedef struct network_traffic_filter network_traffic_filter_t;
|
||||
|
||||
struct network_traffic_filter {
|
||||
n2n_verdict (*filter_packet_from_peer)(network_traffic_filter_t* filter, n2n_edge_t *eee,
|
||||
const n2n_sock_t *peer, uint8_t *payload, uint16_t payload_size);
|
||||
n2n_verdict (*filter_packet_from_peer)(network_traffic_filter_t* filter, n2n_edge_t *eee,
|
||||
const n2n_sock_t *peer, uint8_t *payload, uint16_t payload_size);
|
||||
|
||||
n2n_verdict (*filter_packet_from_tap)(network_traffic_filter_t* filter, n2n_edge_t *eee, uint8_t *payload, uint16_t payload_size);
|
||||
n2n_verdict (*filter_packet_from_tap)(network_traffic_filter_t* filter, n2n_edge_t *eee, uint8_t *payload, uint16_t payload_size);
|
||||
|
||||
filter_rule_t *rules;
|
||||
filter_rule_t *rules;
|
||||
|
||||
filter_rule_pair_cache_t *connections_rule_cache;
|
||||
filter_rule_pair_cache_t *connections_rule_cache;
|
||||
|
||||
uint32_t work_count_scene_last_clear;
|
||||
uint32_t work_count_scene_last_clear;
|
||||
|
||||
};
|
||||
|
||||
|
|
@ -491,61 +491,61 @@ struct network_traffic_filter {
|
|||
/* Callbacks allow external programs to attach functions in response to
|
||||
* N2N events. */
|
||||
typedef struct n2n_edge_callbacks {
|
||||
/* The supernode registration has been updated */
|
||||
void (*sn_registration_updated)(n2n_edge_t *eee, time_t now, const n2n_sock_t *sn);
|
||||
/* The supernode registration has been updated */
|
||||
void (*sn_registration_updated)(n2n_edge_t *eee, time_t now, const n2n_sock_t *sn);
|
||||
|
||||
/* A packet has been received from a peer. N2N_DROP can be returned to
|
||||
* drop the packet. The packet payload can be modified. This only allows
|
||||
* the packet size to be reduced */
|
||||
n2n_verdict (*packet_from_peer)(n2n_edge_t *eee, const n2n_sock_t *peer, uint8_t *payload, uint16_t *payload_size);
|
||||
/* A packet has been received from a peer. N2N_DROP can be returned to
|
||||
* drop the packet. The packet payload can be modified. This only allows
|
||||
* the packet size to be reduced */
|
||||
n2n_verdict (*packet_from_peer)(n2n_edge_t *eee, const n2n_sock_t *peer, uint8_t *payload, uint16_t *payload_size);
|
||||
|
||||
/* A packet has been received from the TAP interface. N2N_DROP can be
|
||||
* returned to drop the packet. The packet payload can be modified.
|
||||
* This only allows the packet size to be reduced */
|
||||
n2n_verdict (*packet_from_tap)(n2n_edge_t *eee, uint8_t *payload, uint16_t *payload_size);
|
||||
/* A packet has been received from the TAP interface. N2N_DROP can be
|
||||
* returned to drop the packet. The packet payload can be modified.
|
||||
* This only allows the packet size to be reduced */
|
||||
n2n_verdict (*packet_from_tap)(n2n_edge_t *eee, uint8_t *payload, uint16_t *payload_size);
|
||||
|
||||
/* Called whenever the IP address of the TAP interface changes. */
|
||||
void (*ip_address_changed)(n2n_edge_t *eee, uint32_t old_ip, uint32_t new_ip);
|
||||
/* Called whenever the IP address of the TAP interface changes. */
|
||||
void (*ip_address_changed)(n2n_edge_t *eee, uint32_t old_ip, uint32_t new_ip);
|
||||
|
||||
/* Called periodically in the main loop. */
|
||||
void (*main_loop_period)(n2n_edge_t *eee, time_t now);
|
||||
/* Called periodically in the main loop. */
|
||||
void (*main_loop_period)(n2n_edge_t *eee, time_t now);
|
||||
} n2n_edge_callbacks_t;
|
||||
|
||||
typedef struct n2n_tuntap_priv_config {
|
||||
char tuntap_dev_name[N2N_IFNAMSIZ];
|
||||
char ip_mode[N2N_IF_MODE_SIZE];
|
||||
dec_ip_str_t ip_addr;
|
||||
dec_ip_str_t netmask;
|
||||
char device_mac[N2N_MACNAMSIZ];
|
||||
int mtu;
|
||||
uint8_t daemon;
|
||||
char tuntap_dev_name[N2N_IFNAMSIZ];
|
||||
char ip_mode[N2N_IF_MODE_SIZE];
|
||||
dec_ip_str_t ip_addr;
|
||||
dec_ip_str_t netmask;
|
||||
char device_mac[N2N_MACNAMSIZ];
|
||||
int mtu;
|
||||
uint8_t daemon;
|
||||
#ifndef WIN32
|
||||
uid_t userid;
|
||||
gid_t groupid;
|
||||
uid_t userid;
|
||||
gid_t groupid;
|
||||
#endif
|
||||
} n2n_tuntap_priv_config_t;
|
||||
|
||||
/* *************************************************** */
|
||||
|
||||
typedef enum n2n_transform {
|
||||
N2N_TRANSFORM_ID_INVAL = 0,
|
||||
N2N_TRANSFORM_ID_NULL = 1,
|
||||
N2N_TRANSFORM_ID_TWOFISH = 2,
|
||||
N2N_TRANSFORM_ID_AES = 3,
|
||||
N2N_TRANSFORM_ID_CHACHA20 = 4,
|
||||
N2N_TRANSFORM_ID_SPECK = 5,
|
||||
N2N_TRANSFORM_ID_INVAL = 0,
|
||||
N2N_TRANSFORM_ID_NULL = 1,
|
||||
N2N_TRANSFORM_ID_TWOFISH = 2,
|
||||
N2N_TRANSFORM_ID_AES = 3,
|
||||
N2N_TRANSFORM_ID_CHACHA20 = 4,
|
||||
N2N_TRANSFORM_ID_SPECK = 5,
|
||||
} n2n_transform_t;
|
||||
|
||||
struct n2n_trans_op; /* Circular definition */
|
||||
|
||||
typedef int (*n2n_transdeinit_f)(struct n2n_trans_op * arg);
|
||||
typedef void (*n2n_transtick_f)(struct n2n_trans_op * arg, time_t now);
|
||||
typedef int (*n2n_transform_f)(struct n2n_trans_op * arg,
|
||||
uint8_t * outbuf,
|
||||
size_t out_len,
|
||||
const uint8_t * inbuf,
|
||||
size_t in_len,
|
||||
const n2n_mac_t peer_mac);
|
||||
typedef int (*n2n_transdeinit_f)(struct n2n_trans_op * arg);
|
||||
typedef void (*n2n_transtick_f)(struct n2n_trans_op * arg, time_t now);
|
||||
typedef int (*n2n_transform_f)(struct n2n_trans_op * arg,
|
||||
uint8_t * outbuf,
|
||||
size_t out_len,
|
||||
const uint8_t * inbuf,
|
||||
size_t in_len,
|
||||
const n2n_mac_t peer_mac);
|
||||
/** Holds the info associated with a data transform plugin.
|
||||
*
|
||||
* When a packet arrives the transform ID is extracted. This defines the code
|
||||
|
|
@ -553,156 +553,156 @@ typedef int (*n2n_transform_f)(struct n2n_trans_op * arg,
|
|||
* packet and consults its internal key lookup.
|
||||
*/
|
||||
typedef struct n2n_trans_op {
|
||||
void * priv; /* opaque data. Key schedule goes here. */
|
||||
uint8_t no_encryption; /* 1 if this transop does not perform encryption */
|
||||
n2n_transform_t transform_id;
|
||||
size_t tx_cnt;
|
||||
size_t rx_cnt;
|
||||
void * priv; /* opaque data. Key schedule goes here. */
|
||||
uint8_t no_encryption; /* 1 if this transop does not perform encryption */
|
||||
n2n_transform_t transform_id;
|
||||
size_t tx_cnt;
|
||||
size_t rx_cnt;
|
||||
|
||||
n2n_transdeinit_f deinit; /* destructor function */
|
||||
n2n_transtick_f tick; /* periodic maintenance */
|
||||
n2n_transform_f fwd; /* encode a payload */
|
||||
n2n_transform_f rev; /* decode a payload */
|
||||
n2n_transdeinit_f deinit; /* destructor function */
|
||||
n2n_transtick_f tick; /* periodic maintenance */
|
||||
n2n_transform_f fwd; /* encode a payload */
|
||||
n2n_transform_f rev; /* decode a payload */
|
||||
} n2n_trans_op_t;
|
||||
|
||||
|
||||
/* *************************************************** */
|
||||
|
||||
typedef struct n2n_edge_conf {
|
||||
struct peer_info *supernodes; /**< List of supernodes */
|
||||
n2n_route_t *routes; /**< Networks to route through n2n */
|
||||
n2n_community_t community_name; /**< The community. 16 full octets. */
|
||||
n2n_desc_t dev_desc; /**< The device description (hint) */
|
||||
uint8_t header_encryption; /**< Header encryption indicator. */
|
||||
he_context_t *header_encryption_ctx; /**< Header encryption cipher context. */
|
||||
he_context_t *header_iv_ctx; /**< Header IV ecnryption cipher context, REMOVE as soon as seperte fileds for checksum and replay protection available */
|
||||
n2n_transform_t transop_id; /**< The transop to use. */
|
||||
uint8_t compression; /**< Compress outgoing data packets before encryption */
|
||||
uint16_t num_routes; /**< Number of routes in routes */
|
||||
uint8_t tuntap_ip_mode; /**< Interface IP address allocated mode, eg. DHCP. */
|
||||
uint8_t allow_routing; /**< Accept packet no to interface address. */
|
||||
uint8_t drop_multicast; /**< Multicast ethernet addresses. */
|
||||
uint8_t disable_pmtu_discovery; /**< Disable the Path MTU discovery. */
|
||||
uint8_t allow_p2p; /**< Allow P2P connection */
|
||||
uint8_t sn_num; /**< Number of supernode addresses defined. */
|
||||
uint8_t tos; /** TOS for sent packets */
|
||||
char *encrypt_key;
|
||||
int register_interval; /**< Interval for supernode registration, also used for UDP NAT hole punching. */
|
||||
int register_ttl; /**< TTL for registration packet when UDP NAT hole punching through supernode. */
|
||||
int local_port;
|
||||
int mgmt_port;
|
||||
n2n_auth_t auth;
|
||||
filter_rule_t *network_traffic_filter_rules;
|
||||
struct peer_info *supernodes; /**< List of supernodes */
|
||||
n2n_route_t *routes; /**< Networks to route through n2n */
|
||||
n2n_community_t community_name; /**< The community. 16 full octets. */
|
||||
n2n_desc_t dev_desc; /**< The device description (hint) */
|
||||
uint8_t header_encryption; /**< Header encryption indicator. */
|
||||
he_context_t *header_encryption_ctx; /**< Header encryption cipher context. */
|
||||
he_context_t *header_iv_ctx; /**< Header IV ecnryption cipher context, REMOVE as soon as seperte fileds for checksum and replay protection available */
|
||||
n2n_transform_t transop_id; /**< The transop to use. */
|
||||
uint8_t compression; /**< Compress outgoing data packets before encryption */
|
||||
uint16_t num_routes; /**< Number of routes in routes */
|
||||
uint8_t tuntap_ip_mode; /**< Interface IP address allocated mode, eg. DHCP. */
|
||||
uint8_t allow_routing; /**< Accept packet no to interface address. */
|
||||
uint8_t drop_multicast; /**< Multicast ethernet addresses. */
|
||||
uint8_t disable_pmtu_discovery; /**< Disable the Path MTU discovery. */
|
||||
uint8_t allow_p2p; /**< Allow P2P connection */
|
||||
uint8_t sn_num; /**< Number of supernode addresses defined. */
|
||||
uint8_t tos; /** TOS for sent packets */
|
||||
char *encrypt_key;
|
||||
int register_interval; /**< Interval for supernode registration, also used for UDP NAT hole punching. */
|
||||
int register_ttl; /**< TTL for registration packet when UDP NAT hole punching through supernode. */
|
||||
int local_port;
|
||||
int mgmt_port;
|
||||
n2n_auth_t auth;
|
||||
filter_rule_t *network_traffic_filter_rules;
|
||||
} n2n_edge_conf_t;
|
||||
|
||||
|
||||
struct n2n_edge_stats {
|
||||
uint32_t tx_p2p;
|
||||
uint32_t rx_p2p;
|
||||
uint32_t tx_sup;
|
||||
uint32_t rx_sup;
|
||||
uint32_t tx_sup_broadcast;
|
||||
uint32_t rx_sup_broadcast;
|
||||
uint32_t tx_p2p;
|
||||
uint32_t rx_p2p;
|
||||
uint32_t tx_sup;
|
||||
uint32_t rx_sup;
|
||||
uint32_t tx_sup_broadcast;
|
||||
uint32_t rx_sup_broadcast;
|
||||
};
|
||||
|
||||
struct n2n_edge {
|
||||
n2n_edge_conf_t conf;
|
||||
n2n_edge_conf_t conf;
|
||||
|
||||
/* Status */
|
||||
struct peer_info *curr_sn; /**< Currently active supernode. */
|
||||
uint8_t sn_wait; /**< Whether we are waiting for a supernode response. */
|
||||
size_t sup_attempts; /**< Number of remaining attempts to this supernode. */
|
||||
tuntap_dev device; /**< All about the TUNTAP device */
|
||||
n2n_trans_op_t transop; /**< The transop to use when encoding */
|
||||
n2n_route_t *sn_route_to_clean; /**< Supernode route to clean */
|
||||
n2n_edge_callbacks_t cb; /**< API callbacks */
|
||||
void *user_data; /**< Can hold user data */
|
||||
uint64_t sn_last_valid_time_stamp;/**< last valid time stamp from supernode */
|
||||
SN_SELECTION_CRITERION_DATA_TYPE sn_selection_criterion_common_data;
|
||||
/* Status */
|
||||
struct peer_info *curr_sn; /**< Currently active supernode. */
|
||||
uint8_t sn_wait; /**< Whether we are waiting for a supernode response. */
|
||||
size_t sup_attempts; /**< Number of remaining attempts to this supernode. */
|
||||
tuntap_dev device; /**< All about the TUNTAP device */
|
||||
n2n_trans_op_t transop; /**< The transop to use when encoding */
|
||||
n2n_route_t *sn_route_to_clean; /**< Supernode route to clean */
|
||||
n2n_edge_callbacks_t cb; /**< API callbacks */
|
||||
void *user_data; /**< Can hold user data */
|
||||
uint64_t sn_last_valid_time_stamp; /**< last valid time stamp from supernode */
|
||||
SN_SELECTION_CRITERION_DATA_TYPE sn_selection_criterion_common_data;
|
||||
|
||||
/* Sockets */
|
||||
n2n_sock_t supernode;
|
||||
int udp_sock;
|
||||
int udp_mgmt_sock; /**< socket for status info. */
|
||||
/* Sockets */
|
||||
n2n_sock_t supernode;
|
||||
int udp_sock;
|
||||
int udp_mgmt_sock; /**< socket for status info. */
|
||||
|
||||
#ifndef SKIP_MULTICAST_PEERS_DISCOVERY
|
||||
n2n_sock_t multicast_peer; /**< Multicast peer group (for local edges) */
|
||||
int udp_multicast_sock; /**< socket for local multicast registrations. */
|
||||
int multicast_joined; /**< 1 if the group has been joined.*/
|
||||
n2n_sock_t multicast_peer; /**< Multicast peer group (for local edges) */
|
||||
int udp_multicast_sock; /**< socket for local multicast registrations. */
|
||||
int multicast_joined; /**< 1 if the group has been joined.*/
|
||||
#endif
|
||||
|
||||
/* Peers */
|
||||
struct peer_info * known_peers; /**< Edges we are connected to. */
|
||||
struct peer_info * pending_peers; /**< Edges we have tried to register with. */
|
||||
/* Peers */
|
||||
struct peer_info * known_peers; /**< Edges we are connected to. */
|
||||
struct peer_info * pending_peers; /**< Edges we have tried to register with. */
|
||||
|
||||
/* Timers */
|
||||
time_t last_register_req; /**< Check if time to re-register with super*/
|
||||
time_t last_p2p; /**< Last time p2p traffic was received. */
|
||||
time_t last_sup; /**< Last time a packet arrived from supernode. */
|
||||
time_t last_sweep; /**< Last time a sweep was performed. */
|
||||
time_t start_time; /**< For calculating uptime */
|
||||
/* Timers */
|
||||
time_t last_register_req; /**< Check if time to re-register with super*/
|
||||
time_t last_p2p; /**< Last time p2p traffic was received. */
|
||||
time_t last_sup; /**< Last time a packet arrived from supernode. */
|
||||
time_t last_sweep; /**< Last time a sweep was performed. */
|
||||
time_t start_time; /**< For calculating uptime */
|
||||
|
||||
|
||||
struct n2n_edge_stats stats; /**< Statistics */
|
||||
struct n2n_edge_stats stats; /**< Statistics */
|
||||
|
||||
n2n_tuntap_priv_config_t tuntap_priv_conf; /**< Tuntap config */
|
||||
n2n_tuntap_priv_config_t tuntap_priv_conf; /**< Tuntap config */
|
||||
|
||||
network_traffic_filter_t *network_traffic_filter;
|
||||
network_traffic_filter_t *network_traffic_filter;
|
||||
};
|
||||
|
||||
typedef struct sn_stats {
|
||||
size_t errors; /* Number of errors encountered. */
|
||||
size_t reg_super; /* Number of REGISTER_SUPER requests received. */
|
||||
size_t reg_super_nak; /* Number of REGISTER_SUPER requests declined. */
|
||||
size_t fwd; /* Number of messages forwarded. */
|
||||
size_t broadcast; /* Number of messages broadcast to a community. */
|
||||
time_t last_fwd; /* Time when last message was forwarded. */
|
||||
time_t last_reg_super; /* Time when last REGISTER_SUPER was received. */
|
||||
size_t errors; /* Number of errors encountered. */
|
||||
size_t reg_super; /* Number of REGISTER_SUPER requests received. */
|
||||
size_t reg_super_nak; /* Number of REGISTER_SUPER requests declined. */
|
||||
size_t fwd; /* Number of messages forwarded. */
|
||||
size_t broadcast; /* Number of messages broadcast to a community. */
|
||||
time_t last_fwd; /* Time when last message was forwarded. */
|
||||
time_t last_reg_super; /* Time when last REGISTER_SUPER was received. */
|
||||
} sn_stats_t;
|
||||
|
||||
struct sn_community {
|
||||
char community[N2N_COMMUNITY_SIZE];
|
||||
uint8_t is_federation; /* if not-zero, then the current community is the federation of supernodes */
|
||||
uint8_t purgeable; /* indicates purgeable community (fixed-name, predetermined (-c parameter) communties usually are unpurgeable) */
|
||||
uint8_t header_encryption; /* Header encryption indicator. */
|
||||
he_context_t *header_encryption_ctx; /* Header encryption cipher context. */
|
||||
he_context_t *header_iv_ctx; /* Header IV ecnryption cipher context, REMOVE as soon as seperate fields for checksum and replay protection available */
|
||||
struct peer_info *edges; /* Link list of registered edges. */
|
||||
int64_t number_enc_packets; /* Number of encrypted packets handled so far, required for sorting from time to time */
|
||||
n2n_ip_subnet_t auto_ip_net; /* Address range of auto ip address service. */
|
||||
char community[N2N_COMMUNITY_SIZE];
|
||||
uint8_t is_federation; /* if not-zero, then the current community is the federation of supernodes */
|
||||
uint8_t purgeable; /* indicates purgeable community (fixed-name, predetermined (-c parameter) communties usually are unpurgeable) */
|
||||
uint8_t header_encryption; /* Header encryption indicator. */
|
||||
he_context_t *header_encryption_ctx; /* Header encryption cipher context. */
|
||||
he_context_t *header_iv_ctx; /* Header IV ecnryption cipher context, REMOVE as soon as seperate fields for checksum and replay protection available */
|
||||
struct peer_info *edges; /* Link list of registered edges. */
|
||||
int64_t number_enc_packets; /* Number of encrypted packets handled so far, required for sorting from time to time */
|
||||
n2n_ip_subnet_t auto_ip_net; /* Address range of auto ip address service. */
|
||||
|
||||
UT_hash_handle hh; /* makes this structure hashable */
|
||||
UT_hash_handle hh; /* makes this structure hashable */
|
||||
};
|
||||
|
||||
/* Typedef'd pointer to get abstract datatype. */
|
||||
typedef struct regex_t* re_t;
|
||||
|
||||
struct sn_community_regular_expression {
|
||||
re_t rule; // compiles regular expression
|
||||
re_t rule; /* compiles regular expression */
|
||||
|
||||
UT_hash_handle hh; /* makes this structure hashable */
|
||||
UT_hash_handle hh; /* makes this structure hashable */
|
||||
};
|
||||
|
||||
typedef struct n2n_sn {
|
||||
time_t start_time; /* Used to measure uptime. */
|
||||
sn_stats_t stats;
|
||||
int daemon; /* If non-zero then daemonise. */
|
||||
n2n_mac_t mac_addr;
|
||||
uint16_t lport; /* Local UDP port to bind to. */
|
||||
uint16_t mport; /* Management UDP port to bind to. */
|
||||
int sock; /* Main socket for UDP traffic with edges. */
|
||||
int mgmt_sock; /* management socket. */
|
||||
n2n_ip_subnet_t min_auto_ip_net; /* Address range of auto_ip service. */
|
||||
n2n_ip_subnet_t max_auto_ip_net; /* Address range of auto_ip service. */
|
||||
time_t start_time; /* Used to measure uptime. */
|
||||
sn_stats_t stats;
|
||||
int daemon; /* If non-zero then daemonise. */
|
||||
n2n_mac_t mac_addr;
|
||||
uint16_t lport; /* Local UDP port to bind to. */
|
||||
uint16_t mport; /* Management UDP port to bind to. */
|
||||
int sock; /* Main socket for UDP traffic with edges. */
|
||||
int mgmt_sock; /* management socket. */
|
||||
n2n_ip_subnet_t min_auto_ip_net; /* Address range of auto_ip service. */
|
||||
n2n_ip_subnet_t max_auto_ip_net; /* Address range of auto_ip service. */
|
||||
#ifndef WIN32
|
||||
uid_t userid;
|
||||
gid_t groupid;
|
||||
uid_t userid;
|
||||
gid_t groupid;
|
||||
#endif
|
||||
int lock_communities; /* If true, only loaded and matching communities can be used. */
|
||||
struct sn_community *communities;
|
||||
struct sn_community_regular_expression *rules;
|
||||
struct sn_community *federation;
|
||||
n2n_auth_t auth;
|
||||
int lock_communities; /* If true, only loaded and matching communities can be used. */
|
||||
struct sn_community *communities;
|
||||
struct sn_community_regular_expression *rules;
|
||||
struct sn_community *federation;
|
||||
n2n_auth_t auth;
|
||||
} n2n_sn_t;
|
||||
|
||||
|
||||
|
|
|
|||
|
|
@ -8,7 +8,7 @@
|
|||
*
|
||||
* This program 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
|
||||
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
||||
* GNU General Public License for more details.
|
||||
*
|
||||
* You should have received a copy of the GNU General Public License
|
||||
|
|
|
|||
|
|
@ -8,7 +8,7 @@
|
|||
*
|
||||
* This program 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
|
||||
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
||||
* GNU General Public License for more details.
|
||||
*
|
||||
* You should have received a copy of the GNU General Public License
|
||||
|
|
|
|||
|
|
@ -8,7 +8,7 @@
|
|||
*
|
||||
* This program 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
|
||||
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
||||
* GNU General Public License for more details.
|
||||
*
|
||||
* You should have received a copy of the GNU General Public License
|
||||
|
|
|
|||
Loading…
Reference in New Issue
Block a user