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Comparing gvpe/src/global.h (file contents):
Revision 1.13 by pcg, Tue Apr 8 02:00:54 2003 UTC vs.
Revision 1.23 by pcg, Thu Aug 7 16:34:21 2008 UTC

1/* 1/*
2 global.h -- global variables and constants 2 global.h -- global variables and constants
3 Copyright (C) 2003-2005 Marc Lehmann <gvpe@schmorp.de>
3 4
5 This file is part of GVPE.
6
4 This program is free software; you can redistribute it and/or modify 7 GVPE is free software; you can redistribute it and/or modify
5 it under the terms of the GNU General Public License as published by 8 it under the terms of the GNU General Public License as published by
6 the Free Software Foundation; either version 2 of the License, or 9 the Free Software Foundation; either version 2 of the License, or
7 (at your option) any later version. 10 (at your option) any later version.
8 11
9 This program is distributed in the hope that it will be useful, 12 This program is distributed in the hope that it will be useful,
10 but WITHOUT ANY WARRANTY; without even the implied warranty of 13 but WITHOUT ANY WARRANTY; without even the implied warranty of
11 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 14 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
12 GNU General Public License for more details. 15 GNU General Public License for more details.
13 16
14 You should have received a copy of the GNU General Public License 17 You should have received a copy of the GNU General Public License
15 along with this program; if not, write to the Free Software 18 along with gvpe; if not, write to the Free Software
16 Foundation, Inc. 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA 19 Foundation, Inc. 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
17*/ 20*/
18 21
19#ifndef GLOBAL_H__ 22#ifndef GLOBAL_H__
20#define GLOBAL_H__ 23#define GLOBAL_H__
21 24
… …
37#define RSA_HASH EVP_ripemd160 ()// speed don't matter, boy, safety does.. I need sha256 :( 40#define RSA_HASH EVP_ripemd160 ()// speed don't matter, boy, safety does.. I need sha256 :(
38#define RSA_HASHLEN (160 >> 3) 41#define RSA_HASHLEN (160 >> 3)
39#define RSA_RESLEN RSA_HASHLEN 42#define RSA_RESLEN RSA_HASHLEN
40 43
41#define RSA_IDLEN 16 // how many bytes are used to identify the challenge 44#define RSA_IDLEN 16 // how many bytes are used to identify the challenge
42#define RSA_TTL 20 // challenge bytes timeout after n seconds 45#define RSA_TTL 120 // challenge bytes timeout after n seconds
43 46
44#define CIPHER ENABLE_CIPHER () 47#define CIPHER ENABLE_CIPHER ()
45#define CIPHER_KEYLEN (EVP_CIPHER_key_length (CIPHER)) 48#define CIPHER_KEYLEN (EVP_CIPHER_key_length (CIPHER))
46#define DIGEST ENABLE_DIGEST () 49#define DIGEST ENABLE_DIGEST ()
47#define HMAC_KEYLEN (256 >> 3) // number of bits used for the HMAC key (also change CHG_HMAC_KEY) 50#define HMAC_KEYLEN (256 >> 3) // number of bits used for the HMAC key (also change CHG_HMAC_KEY)
48 51
52#define WINDOWSIZE 512 // sliding window size
49#define MAX_SEQNO 0xfffffff0U 53#define MAX_SEQNO (0xfffffff0U - WINDOWSIZE * 8)
50 54
51#define CHG_SEQNO 0 // where the seqno starts within the rsa challenge 55#define CHG_SEQNO 0 // where the seqno starts within the rsa challenge
52#define CHG_CIPHER_KEY 4 // where the key starts within the rsa challenge 56#define CHG_CIPHER_KEY 4 // where the key starts within the rsa challenge
53#define CHG_HMAC_KEY 86 // where the key starts within the rsa challenge (256 bits at the end!) 57#define CHG_HMAC_KEY 86 // where the key starts within the rsa challenge (256 bits at the end!)
54 58
55// hdr seq len hmac MAC MAC 59// hdr seq len hmac MAC MAC
56#define VPE_OVERHEAD (4 + 4 + 4 + RAND_SIZE + HMACLENGTH - 6 - 6) 60#define VPE_OVERHEAD (4 + 4 + 4 + RAND_SIZE + HMACLENGTH - 6 - 6)
57#define IP_OVERHEAD 20 // size of a (normal) ip header 61#define IP_OVERHEAD 20 // size of a (normal) ip header
58#define GRE_OVERHEAD (IP_OVERHEAD + 4) 62#define GRE_OVERHEAD (IP_OVERHEAD + 4)
59#define ICMP_OVERHEAD (IP_OVERHEAD + 4) 63#define ICMP_OVERHEAD (IP_OVERHEAD + 4)
60#define UDP_OVERHEAD (IP_OVERHEAD + 20) // size of a (normal) ip + udp header 64#define UDP_OVERHEAD (IP_OVERHEAD + 20) // size of a (normal) ip + udp header (wrong, but don't care)
61#define TCP_OVERHEAD (IP_OVERHEAD + 22) // size of a (normal) ip + tcp header + pakcetlength 65#define TCP_OVERHEAD (IP_OVERHEAD + 22) // size of a (normal) ip + tcp header + packetlength
62#define MAX_OVERHEAD UDP_OVERHEAD // the max. overhead of any protocol (ok, tcp doesn't count) 66#define MAX_OVERHEAD UDP_OVERHEAD // the max. overhead of any protocol (ok, tcp doesn't count)
63#define ETH_OVERHEAD 14 // the size of an ethernet header 67#define ETH_OVERHEAD 14 // the size of an ethernet header
64#define MAXSIZE (MAX_MTU + VPE_OVERHEAD)// slightly too large, but who cares 68#define MAXSIZE (MAX_MTU + VPE_OVERHEAD) // slightly too large, but who cares
65 69
66#define PKTCACHESIZE 5 // the size of the memory pool for packets 70#define PKTCACHESIZE 16 // the size of the memory pool for packets
67
68#define QUEUEDEPTH 16 // the number of packets that will be queued (should be low)
69
70#define WINDOWSIZE 512 // sliding window size
71 71
72extern char *confbase; // directory in which all config files are 72extern char *confbase; // directory in which all config files are
73extern char *thisnode; // config for current node (TODO: remove) 73extern char *thisnode; // config for current node (TODO: remove)
74extern char *pidfilename; // pid file location
75 74
76#endif 75#endif
77 76

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