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authorMichael Krelin <hacker@klever.net>2004-07-05 01:53:09 (UTC)
committer Michael Krelin <hacker@klever.net>2004-07-05 01:53:09 (UTC)
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Diffstat (limited to 'shared-code/ip_icmp.h') (more/less context) (ignore whitespace changes)
-rw-r--r--shared-code/ip_icmp.h91
1 files changed, 91 insertions, 0 deletions
diff --git a/shared-code/ip_icmp.h b/shared-code/ip_icmp.h
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1#ifndef IP_ICMPHEADER
2
3#define IP_ICMPHEADER
4
5struct icmp {
6 BYTE icmp_type;
7 BYTE icmp_code;
8 WORD icmp_cksum;
9 WORD icmp_id;
10 WORD icmp_seq;
11 char icmp_data[1];
12};
13
14#define SIZE_ICMP_HDR 8
15#define SIZE_TIME_DATA 8
16
17struct ip {
18 BYTE ip_hl:4, /* header length */
19 ip_v:4; /* version */
20 BYTE ip_tos; /* type of service */
21 short ip_len; /* total length */
22 u_short ip_id; /* identification */
23 short ip_off; /* fragment offset field */
24 BYTE ip_ttl; /* time to live */
25 BYTE ip_p; /* protocol */
26 u_short ip_sum; /* checksum */
27 struct in_addr ip_src,ip_dst; /* source and dest address */
28};
29
30#define ICMP_ECHOREPLY 0 /* echo reply */
31#define ICMP_UNREACH 3 /* dest unreachable, codes: */
32#define ICMP_UNREACH_NET 0 /* bad net */
33#define ICMP_UNREACH_HOST 1 /* bad host */
34#define ICMP_UNREACH_PROTOCOL 2 /* bad protocol */
35#define ICMP_UNREACH_PORT 3 /* bad port */
36#define ICMP_UNREACH_NEEDFRAG 4 /* IP_DF caused drop */
37#define ICMP_UNREACH_SRCFAIL 5 /* src route failed */
38#define ICMP_SOURCEQUENCH 4 /* packet lost, slow down */
39#define ICMP_REDIRECT 5 /* shorter route, codes: */
40#define ICMP_REDIRECT_NET 0 /* for network */
41#define ICMP_REDIRECT_HOST 1 /* for host */
42#define ICMP_REDIRECT_TOSNET 2 /* for tos and net */
43#define ICMP_REDIRECT_TOSHOST 3 /* for tos and host */
44#define ICMP_ECHO 8 /* echo service */
45#define ICMP_TIMXCEED 11 /* time exceeded, code: */
46#define ICMP_TIMXCEED_INTRANS 0 /* ttl==0 in transit */
47#define ICMP_TIMXCEED_REASS 1 /* ttl==0 in reass */
48#define ICMP_PARAMPROB 12 /* ip header bad */
49#define ICMP_TSTAMP 13 /* timestamp request */
50#define ICMP_TSTAMPREPLY 14 /* timestamp reply */
51#define ICMP_IREQ 15 /* information request */
52#define ICMP_IREQREPLY 16 /* information reply */
53#define ICMP_MASKREQ 17 /* address mask request */
54#define ICMP_MASKREPLY 18 /* address mask reply */
55
56#define ICMP_MAXTYPE 18
57
58#define ICMP_MINLEN 8 /* abs minimum */
59#define ICMP_TSLEN (8 + 3 * sizeof (n_time)) /* timestamp */
60#define ICMP_MASKLEN 12 /* address mask */
61#define ICMP_ADVLENMIN (8 + sizeof (struct ip) + 8) /* min */
62#define ICMP_ADVLEN(p) (8 + ((p)->icmp_ip.ip_hl << 2) + 8)
63
64#define STNORM 0
65
66/* Definition of the lowest telnet byte following an IAC byte */
67#define LOW_TEL_OPT 236
68
69#define TEL_EOF 236
70#define SUSP 237
71#define ABORT 238
72
73#define SE 240
74#define NOP 241
75#define DM 242
76#define BREAK 243
77#define IP 244
78#define AO 245
79#define AYT 246
80#define EC 247
81#define EL 248
82#define GOAHEAD 249
83#define SB 250
84#define WILL 251
85#define WONT 252
86#define DO 253
87#define DONT 254
88#define IAC 255
89
90#endif
91