| -rw-r--r-- | shared-code/ip_icmp.h | 91 |
1 files changed, 91 insertions, 0 deletions
diff --git a/shared-code/ip_icmp.h b/shared-code/ip_icmp.h new file mode 100644 index 0000000..acaf7e9 --- a/dev/null +++ b/shared-code/ip_icmp.h @@ -0,0 +1,91 @@ +#ifndef IP_ICMPHEADER
+
+#define IP_ICMPHEADER
+
+struct icmp {
+ BYTE icmp_type;
+ BYTE icmp_code;
+ WORD icmp_cksum;
+ WORD icmp_id;
+ WORD icmp_seq;
+ char icmp_data[1];
+};
+
+#define SIZE_ICMP_HDR 8
+#define SIZE_TIME_DATA 8
+
+struct ip {
+ BYTE ip_hl:4, /* header length */
+ ip_v:4; /* version */
+ BYTE ip_tos; /* type of service */
+ short ip_len; /* total length */
+ u_short ip_id; /* identification */
+ short ip_off; /* fragment offset field */
+ BYTE ip_ttl; /* time to live */
+ BYTE ip_p; /* protocol */
+ u_short ip_sum; /* checksum */
+ struct in_addr ip_src,ip_dst; /* source and dest address */
+};
+
+#define ICMP_ECHOREPLY 0 /* echo reply */
+#define ICMP_UNREACH 3 /* dest unreachable, codes: */
+#define ICMP_UNREACH_NET 0 /* bad net */
+#define ICMP_UNREACH_HOST 1 /* bad host */
+#define ICMP_UNREACH_PROTOCOL 2 /* bad protocol */
+#define ICMP_UNREACH_PORT 3 /* bad port */
+#define ICMP_UNREACH_NEEDFRAG 4 /* IP_DF caused drop */
+#define ICMP_UNREACH_SRCFAIL 5 /* src route failed */
+#define ICMP_SOURCEQUENCH 4 /* packet lost, slow down */
+#define ICMP_REDIRECT 5 /* shorter route, codes: */
+#define ICMP_REDIRECT_NET 0 /* for network */
+#define ICMP_REDIRECT_HOST 1 /* for host */
+#define ICMP_REDIRECT_TOSNET 2 /* for tos and net */
+#define ICMP_REDIRECT_TOSHOST 3 /* for tos and host */
+#define ICMP_ECHO 8 /* echo service */
+#define ICMP_TIMXCEED 11 /* time exceeded, code: */
+#define ICMP_TIMXCEED_INTRANS 0 /* ttl==0 in transit */
+#define ICMP_TIMXCEED_REASS 1 /* ttl==0 in reass */
+#define ICMP_PARAMPROB 12 /* ip header bad */
+#define ICMP_TSTAMP 13 /* timestamp request */
+#define ICMP_TSTAMPREPLY 14 /* timestamp reply */
+#define ICMP_IREQ 15 /* information request */
+#define ICMP_IREQREPLY 16 /* information reply */
+#define ICMP_MASKREQ 17 /* address mask request */
+#define ICMP_MASKREPLY 18 /* address mask reply */
+
+#define ICMP_MAXTYPE 18
+
+#define ICMP_MINLEN 8 /* abs minimum */
+#define ICMP_TSLEN (8 + 3 * sizeof (n_time)) /* timestamp */
+#define ICMP_MASKLEN 12 /* address mask */
+#define ICMP_ADVLENMIN (8 + sizeof (struct ip) + 8) /* min */
+#define ICMP_ADVLEN(p) (8 + ((p)->icmp_ip.ip_hl << 2) + 8)
+
+#define STNORM 0
+
+/* Definition of the lowest telnet byte following an IAC byte */
+#define LOW_TEL_OPT 236
+
+#define TEL_EOF 236
+#define SUSP 237
+#define ABORT 238
+
+#define SE 240
+#define NOP 241
+#define DM 242
+#define BREAK 243
+#define IP 244
+#define AO 245
+#define AYT 246
+#define EC 247
+#define EL 248
+#define GOAHEAD 249
+#define SB 250
+#define WILL 251
+#define WONT 252
+#define DO 253
+#define DONT 254
+#define IAC 255
+
+#endif
+
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