"Fossies" - the Fresh Open Source Software Archive  

Source code changes of the file "include/n2n_define.h" between
n2n-2.8.tar.gz and n2n-3.0.tar.gz

About: n2n is a layer-two peer-to-peer virtual private network (VPN) which allows bypassing intermediate firewalls.

[ To the main n2n source changes report ]

n2n_define.h  (n2n-2.8):n2n_define.h  (n2n-3.0)
/** /**
* (C) 2007-20 - ntop.org and contributors * (C) 2007-21 - ntop.org and contributors
* *
* This program is free software; you can redistribute it and/or modify * This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by * it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 3 of the License, or * the Free Software Foundation; either version 3 of the License, or
* (at your option) any later version. * (at your option) any later version.
* *
* This program is distributed in the hope that it will be useful, * This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of * 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. * GNU General Public License for more details.
* *
* You should have received a copy of the GNU General Public License * You should have received a copy of the GNU General Public License
* along with this program; if not see see <http://www.gnu.org/licenses/> * along with this program; if not see see <http://www.gnu.org/licenses/>
* *
*/ */
/* N2N packet header indicators. */ /* N2N packet header indicators. */
#define MSG_TYPE_REGISTER 1 #define MSG_TYPE_REGISTER 1
#define MSG_TYPE_DEREGISTER 2 #define MSG_TYPE_DEREGISTER 2
#define MSG_TYPE_PACKET 3 #define MSG_TYPE_PACKET 3
#define MSG_TYPE_REGISTER_ACK 4 #define MSG_TYPE_REGISTER_ACK 4
#define MSG_TYPE_REGISTER_SUPER 5 #define MSG_TYPE_REGISTER_SUPER 5
#define MSG_TYPE_REGISTER_SUPER_ACK 6 #define MSG_TYPE_UNREGISTER_SUPER 6
#define MSG_TYPE_REGISTER_SUPER_NAK 7 #define MSG_TYPE_REGISTER_SUPER_ACK 7
#define MSG_TYPE_FEDERATION 8 #define MSG_TYPE_REGISTER_SUPER_NAK 8
#define MSG_TYPE_PEER_INFO 9 #define MSG_TYPE_FEDERATION 9
#define MSG_TYPE_QUERY_PEER 10 #define MSG_TYPE_PEER_INFO 10
#define MSG_TYPE_MAX_TYPE 10 #define MSG_TYPE_QUERY_PEER 11
#define MSG_TYPE_MAX_TYPE 11
#define SOCKET_TIMEOUT_INTERVAL_SECS 10 #define MSG_TYPE_RE_REGISTER_SUPER 12
#define REGISTER_SUPER_INTERVAL_DFL 20 /* sec, usually UDP NAT entries in a
firewall expire after 30 seconds */
#define IFACE_UPDATE_INTERVAL (30) /* sec. How long it usually takes t /* Max available space to add supernodes' informations (sockets and MACs) in REG
o get an IP lease. */ ISTER_SUPER_ACK
#define TRANSOP_TICK_INTERVAL (10) /* sec */ * Field sizes of REGISTER_SUPER_ACK as used in encode/decode fucntions in src/w
ire.c
*/
#define REG_SUPER_ACK_PAYLOAD_SPACE (DEFAULT_MTU - (sizeof(n2n_common_t) + s
izeof(n2n_REGISTER_SUPER_ACK_t)))
#define PURGE_REGISTRATION_FREQUENCY 30 /* Space needed to store socket and MAC address of a supernode */
#define REGISTRATION_TIMEOUT 60 #define REG_SUPER_ACK_PAYLOAD_ENTRY_SIZE (sizeof(n2n_REGISTER_SUPER_ACK_payload_
t))
#define SORT_COMMUNITIES_INTERVAL 90 /* sec. until supernode sorts communit #define BOOTSTRAP_TIMEOUT 3
ies' hash list again */ #define PURGE_REGISTRATION_FREQUENCY 30
#define RE_REG_AND_PURGE_FREQUENCY 10
#define REGISTRATION_TIMEOUT 60
#define SOCKET_TIMEOUT_INTERVAL_SECS 10
#define REGISTER_SUPER_INTERVAL_DFL 20 /* sec, usually UDP NAT entries in a
firewall expire after 30 seconds */
#define SWEEP_TIME 30 /* sec, indicates the value after wh
ich we have to sort the hash list of supernodes in edges
* and when we send out packets to q
uery selection-relevant informations from supernodes. */
#define NUMBER_SN_PINGS_INITIAL 15 /* number of supernodes to concurren
tly ping during bootstrap and immediately afterwards */
#define NUMBER_SN_PINGS_REGULAR 5 /* number of supernodes to concurren
tly ping during regular edge operation */
/* Timeouts used in re_register_and_purge_supernodes. LAST_SEEN_SN_ACTIVE and LA
ST_SEEN_SN_INACTIVE
* values should be at least 3*SOCKET_TIMEOUT_INTERVAL_SECS apart. */
#define LAST_SEEN_SN_ACTIVE 20 /* sec, indicates supernodes that ar
e proven to be active */
#define LAST_SEEN_SN_INACTIVE 90 /* sec, indicates supernodes that ar
e proven to be inactive: they will be purged */
#define LAST_SEEN_SN_NEW (LAST_SEEN_SN_INACTIVE - 3 * RE_REG_AND
_PURGE_FREQUENCY) /* sec, indicates supernodes with unsure status, must be teste
d to check if they are active */
#define IFACE_UPDATE_INTERVAL (30) /* sec. How long it usually takes
to get an IP lease. */
#define TRANSOP_TICK_INTERVAL (10) /* sec */
#define SORT_COMMUNITIES_INTERVAL 90 /* sec. until supernode sorts commun
ities' hash list again */
#define AF_INVALID -1 /* to mark a socket invalid by an in
valid address family (do not use AF_UNSPEC, it could turn into auto-detect) */
#define N2N_RESOLVE_INTERVAL 300 /* seconds until edge and supernode
try to resolve supernode names again */
#define N2N_RESOLVE_CHECK_INTERVAL 30 /* seconds until main loop checking
in on changes from resolver thread */
#define ETH_FRAMESIZE 14 #define ETH_FRAMESIZE 14
#define IP4_SRCOFFSET 12 #define IP4_SRCOFFSET 12
#define IP4_DSTOFFSET 16 #define IP4_DSTOFFSET 16
#define IP4_MIN_SIZE 20 #define IP4_MIN_SIZE 20
#define UDP_SIZE 8 #define UDP_SIZE 8
/* parameters for replay protection */ /* parameters for replay protection */
#define TIME_STAMP_FRAME 0x0000001000000000LL /* clocks of different compu #define TIME_STAMP_FRAME 0x0000001000000000LL /* clocks of differen
ters are allowed +/- 16 seconds to be off */ t computers are allowed +/- 16 seconds to be off */
#define TIME_STAMP_JITTER 0x0000000027100000LL /* we allow a packet to arri #define TIME_STAMP_JITTER 0x0000000027100000LL /* we allow a packet
ve 160 ms (== 0x27100 us) before another to arrive 160 ms (== 0x27100 us) before another
* set to 0x000000000000000 * set to 0x000000000
0LL if increasing (or equal) time stamps allowed only */ 0000000LL if increasing (or equal) time stamps allowed only */
#define TIME_STAMP_ALLOW_JITTER 1 /* constant for allow
/* parameter for random number generation */ ing or... */
#define RND_RETRIES 1000 /* syscall and inquiring random number from hardwar #define TIME_STAMP_NO_JITTER 0 /* not allowing jitte
e generators might fail, so we will retry */ r to be considered */
/* N2N compression indicators. */ /* N2N compression indicators. */
/* Compression is disabled by default for outgoing packets if no cli /* Compression is disabled by default for outgoing packets if no cli
* option is given. All edges are built with decompression support so * option is given. All edges are built with decompression support so
* they are able to understand each other (this applies to lzo only). */ * they are able to understand each other (this applies to lzo only). */
#define N2N_COMPRESSION_ID_NONE 0 /* default, see edge_init #define N2N_COMPRESSION_ID_INVALID 0
_conf_defaults(...) in edge_utils.c */ #define N2N_COMPRESSION_ID_NONE 1 /* default, see edge
#define N2N_COMPRESSION_ID_LZO 1 /* set if '-z1' or '-z' cli optio _init_conf_defaults(...) in edge_utils.c */
n is present, see setOption(...) in edge.c */ #define N2N_COMPRESSION_ID_LZO 2 /* set if '-z1' or '
#ifdef N2N_HAVE_ZSTD -z' cli option is present, see setOption(...) in edge.c */
#define N2N_COMPRESSION_ID_ZSTD 2 /* set if '-z2' cli optio #define N2N_COMPRESSION_ID_ZSTD 3 /* set if '-z2' cli
n is present, available only if compiled with zstd lib */ option is present, available only if compiled with zstd lib */
#define ZSTD_COMPRESSION_LEVEL 7 /* 1 (faster) ... 22 (more compre #define ZSTD_COMPRESSION_LEVEL 7 /* 1 (faster) ... 22
ssion) */ (more compression) */
#endif
// with the next major packet structure update, make '0' = invalid, and '1' = no /* Federation name and indicators */
compression #define FEDERATION_NAME "*Federation"
// '2' = LZO, '3' = ZSTD, ... REVISIT then (also: change all occurences in sourc enum federation {IS_NO_FEDERATION = 0,IS_FEDERATION = 1};
e).
/* (un)purgeable community indicator (supernode) */
#define COMMUNITY_UNPURGEABLE 0
#define COMMUNITY_PURGEABLE 1
#define N2N_COMPRESSION_ID_BITLEN 3 /* number of bits used for encodi /* (un)purgeable supernode indicator */
ng compression id in the uppermost enum sn_purge {SN_PURGEABLE = 0, SN_UNPURGEABLE = 1};
bits of transform_id; will be
obsolete as soon as compression gets
its own field in the packet. R
EVISIT then. */
/* Header encryption indicators */ /* Header encryption indicators */
#define HEADER_ENCRYPTION_UNKNOWN 0 #define HEADER_ENCRYPTION_UNKNOWN 0
#define HEADER_ENCRYPTION_NONE 1 #define HEADER_ENCRYPTION_NONE 1
#define HEADER_ENCRYPTION_ENABLED 2 #define HEADER_ENCRYPTION_ENABLED 2
#define DEFAULT_MTU 1290 /* REGISTER_SUPER_ACK packet hash length with user/pw auth, up to 16 bytes */
#define N2N_REG_SUP_HASH_CHECK_LEN 16
#define HASH_ADD_PEER(head,add) \
HASH_ADD(hh,head,mac_addr,sizeof(n2n_mac_t),add) #define DEFAULT_MTU 1290
#define HASH_FIND_PEER(head,mac,out) \
HASH_FIND(hh,head,mac,sizeof(n2n_mac_t),out) #define HASH_ADD_PEER(head,add) \
#define N2N_EDGE_SN_HOST_SIZE 48 HASH_ADD(hh,head,mac_addr,sizeof(n2n_mac_t),add)
#define N2N_EDGE_NUM_SUPERNODES 2 #define HASH_FIND_PEER(head,mac,out) \
#define N2N_EDGE_SUP_ATTEMPTS 3 /* Number of failed attmpts before movin HASH_FIND(hh,head,mac,sizeof(n2n_mac_t),out)
g on to next supernode. */ #define N2N_EDGE_SN_HOST_SIZE 48
#define N2N_PATHNAME_MAXLEN 256 #define N2N_EDGE_SUP_ATTEMPTS 3 /* Number of failed attmpts befo
#define N2N_EDGE_MGMT_PORT 5644 re moving on to next supernode. */
#define N2N_SN_MGMT_PORT 5645 #define N2N_PATHNAME_MAXLEN 256
#define N2N_EDGE_MGMT_PORT 5644
#define N2N_NETMASK_STR_SIZE 16 /* dotted decimal 12 numbers + 3 dots */ #define N2N_SN_MGMT_PORT 5645
#define N2N_MACNAMSIZ 18 /* AA:BB:CC:DD:EE:FF + NULL*/
#define N2N_IF_MODE_SIZE 16 /* static | dhcp */ enum n2n_mgmt_type {
N2N_MGMT_READ = 0,
N2N_MGMT_WRITE = 1,
};
#define N2N_MGMT_PASSWORD "n2n" /* default password for managemen
t port access (so far, json only) */
#define N2N_TCP_BACKLOG_QUEUE_SIZE 3 /* number of concurrently pending
connections to be accepted */
/* NOT the number of max. TCP con
nections */
#define N2N_CLOSE_SOCKET_COUNTER_MAX 15 /* number of times of edge's reco
nnects to supernode after */
/* which the socket explicitly is
closed before reopening */
/* flag used in add_sn_to_list_by_mac_or_sock */
enum skip_add {SN_ADD = 0, SN_ADD_SKIP = 1, SN_ADD_ADDED = 2};
#define N2N_NETMASK_STR_SIZE 16 /* dotted decimal 12 numbers + 3 dots */
#define N2N_MACNAMSIZ 18 /* AA:BB:CC:DD:EE:FF + NULL*/
#define N2N_IF_MODE_SIZE 16 /* static | dhcp */
#define N2N_EDGE_DEFAULT_DEV_NAME "edge0"
#define N2N_EDGE_DEFAULT_NETMASK "255.255.255.0" /* default netmask for edg
e ip address... */
#define N2N_EDGE_DEFAULT_CIDR_NM 24 /* ... also in cidr format
*/
#define N2N_SN_LPORT_DEFAULT 7654 #define N2N_SN_LPORT_DEFAULT 7654
#define N2N_SN_PKTBUF_SIZE 2048 #define N2N_SN_PKTBUF_SIZE 2048
/* The way TUNTAP allocated IP. */
#define TUNTAP_IP_MODE_SN_ASSIGN 0
#define TUNTAP_IP_MODE_STATIC 1
#define TUNTAP_IP_MODE_DHCP 2
/* Default network segment of the auto ip address service provided by sn. */
#define N2N_SN_MIN_AUTO_IP_NET_DEFAULT "10.128.0.0"
#define N2N_SN_MAX_AUTO_IP_NET_DEFAULT "10.255.255.0"
#define N2N_SN_AUTO_IP_NET_BIT_DEFAULT 24
/* ************************************** */ /* ************************************** */
#define SUPERNODE_IP "127.0.0.1" #define SUPERNODE_IP "127.0.0.1"
#define SUPERNODE_PORT 1234 #define SUPERNODE_PORT 1234
/* ************************************** */ /* ************************************** */
#define N2N_PKT_VERSION 3
#define N2N_DEFAULT_TTL 2 /* can be forwarded twice at most */
#define N2N_COMMUNITY_SIZE 20
#define N2N_PRIVATE_PUBLIC_KEY_SIZE 32
#define N2N_USER_KEY_LINE_STARTER '*'
#define N2N_MAC_SIZE 6
#define N2N_NO_REG_COOKIE 0x00000000
#define N2N_FORWARDED_REG_COOKIE 0x00001000
#define N2N_PORT_REG_COOKIE 0x00004000
#define N2N_REGULAR_REG_COOKIE 0x00010000
#define N2N_MCAST_REG_COOKIE 0x00400000
#define N2N_LOCAL_REG_COOKIE 0x01000000
#define N2N_DESC_SIZE 16
#define N2N_PKT_BUF_SIZE 2048
#define N2N_SOCKBUF_SIZE 64 /* string representation of INET or INET6
sockets */
#define N2N_MULTICAST_PORT 1968
#define N2N_MULTICAST_GROUP "224.0.0.68"
#ifdef WIN32
#define N2N_IFNAMSIZ 64
#else
#define N2N_IFNAMSIZ 16 /* 15 chars * NULL */
#endif
#ifdef _MSC_VER
#define N2N_THREAD_RETURN_DATATYPE DWORD WINAPI
#define N2N_THREAD_PARAMETER_DATATYPE LPVOID
#else
#define N2N_THREAD_RETURN_DATATYPE void*
#define N2N_THREAD_PARAMETER_DATATYPE void*
#endif
#define SN_SELECTION_CRITERION_DATA_TYPE uint64_t
#define SN_SELECTION_CRITERION_BUF_SIZE 16
#define N2N_TRANSFORM_ID_USER_START 64
#define N2N_TRANSFORM_ID_MAX 65535
#ifndef max #ifndef max
#define max(a, b) ((a < b) ? b : a) #define max(a, b) (((a) < (b)) ? (b) : (a))
#endif #endif
#ifndef min #ifndef min
#define min(a, b) ((a > b) ? b : a) #define min(a, b) (((a) >(b)) ? (b) : (a))
#endif #endif
 End of changes. 15 change blocks. 
79 lines changed or deleted 200 lines changed or added
To the Header Files section of the n2n source changes report or the top of this page
Mainly generated by pkgdiff using rfcdiff
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