"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.

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

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