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C++ common classes
General purpose classes for use across projects (Apache license)
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C++ common classes
General purpose classes for use across projects (Apache license)
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00001 /* 00002 Copyright [2010] [Richard Bross] 00003 00004 Licensed under the Apache License, Version 2.0 (the "License"); 00005 you may not use this file except in compliance with the License. 00006 You may obtain a copy of the License at 00007 00008 http://www.apache.org/licenses/LICENSE-2.0 00009 00010 Unless required by applicable law or agreed to in writing, software 00011 distributed under the License is distributed on an "AS IS" BASIS, 00012 WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 00013 See the License for the specific language governing permissions and 00014 limitations under the License. 00015 */ 00016 #ifndef __ICMP_H 00017 #define __ICMP_H 00018 00019 // Definition of type field values. 00020 #define ICMP_ECHOREPLY 0 // echo reply 00021 #define ICMP_UNREACH 3 // dest unreachable, codes: 00022 #define ICMP_SOURCEQUENCH 4 // packet lost, slow down 00023 #define ICMP_REDIRECT 5 // shorter route, codes: 00024 #define ICMP_ECHO 8 // echo service 00025 #define ICMP_ROUTERADVERT 9 // router advertisement 00026 #define ICMP_ROUTERSOLICIT 10 // router solicitation 00027 #define ICMP_TIMXCEED 11 // time exceeded, code: 00028 #define ICMP_PARAMPROB 12 // ip header bad 00029 #define ICMP_TSTAMP 13 // timestamp request 00030 #define ICMP_TSTAMPREPLY 14 // timestamp reply 00031 #define ICMP_IREQ 15 // information request 00032 #define ICMP_IREQREPLY 16 // information reply 00033 #define ICMP_MASKREQ 17 // address mask request 00034 #define ICMP_MASKREPLY 18 // address mask reply 00035 #define ICMP_MAXTYPE 18 00036 00037 // Code field values 00038 // ICMP_UNREACH codes 00039 #define ICMP_UNREACH_NET 0 // bad net 00040 #define ICMP_UNREACH_HOST 1 // bad host 00041 #define ICMP_UNREACH_PROTOCOL 2 // bad protocol 00042 #define ICMP_UNREACH_PORT 3 // bad port 00043 #define ICMP_UNREACH_NEEDFRAG 4 // IP_DF caused drop 00044 #define ICMP_UNREACH_SRCFAIL 5 // src route failed 00045 #define ICMP_UNREACH_NET_UNKNOWN 6 // unknown net 00046 #define ICMP_UNREACH_HOST_UNKNOWN 7 // unknown host 00047 #define ICMP_UNREACH_ISOLATED 8 // src host isolated 00048 #define ICMP_UNREACH_NET_PROHIB 9 // prohibited access 00049 #define ICMP_UNREACH_HOST_PROHIB 10 // ditto 00050 #define ICMP_UNREACH_TOSNET 11 // bad tos for net 00051 #define ICMP_UNREACH_TOSHOST 12 // bad tos for host 00052 // ICMP_REDIRECT codes 00053 #define ICMP_REDIRECT_NET 0 // for network 00054 #define ICMP_REDIRECT_HOST 1 // for host 00055 #define ICMP_REDIRECT_TOSNET 2 // for tos and net 00056 #define ICMP_REDIRECT_TOSHOST 3 // for tos and host 00057 //ICMP_PARAMPROB codes 00058 #define ICMP_TIMXCEED_INTRANS 0 // ttl==0 in transit 00059 #define ICMP_TIMXCEED_REASS 1 // ttl==0 in reass 00060 #define ICMP_PARAMPROB_OPTABSENT 1 // req. opt. absent 00061 00062 #define ICMP_RESPONSE_TOOFEW -1 00063 #define ICMP_RESPONSE_NONECHO -2 00064 #define ICMP_RESPONSE_INVID -3 00065 00066 #define PING_RESPONSE_SUCCESS 1000 00067 #define PING_RESPONSE_TIMEOUT 1001 00068 #define PING_RESPONSE_ERROR 1002 00069 #define PING_RESPONSE_TRACING 1003 00070 #define PING_RESPONSE_CANCELLED 1004 00071 #define PING_RESPONSE_UNREACHABLE 1005 00072 #define PING_RESPONSE_SOURCEROUTEFAIL 1006 00073 00074 #define ICMP_PACKET_MIN 8 // Minimum 8 byte icmp packet (just header) 00075 #define IP_PACKET_MIN 64 // Minimum 64 byte ip packet 00076 #define ICMP_RETURNED_DATA 8 // ICMP returns first 8 bytes of data from original packet 00077 00078 #define PING_COUNT 3 00079 #define DATA_PORTION_SIZE 32 00080 00081 // 00082 // The IP header 00083 // 00084 typedef struct iphdr { 00085 #if defined(UNIX) 00086 /* Unix compilers pack bit fields from high order to low order bits, so this 00087 ordering puts the version in the high four bits of the byte. */ 00088 unsigned char version:4; // Version of IP 00089 unsigned char h_len:4; // Length of the header 00090 #else 00091 /* Microsoft compiler packs bit fields from low order to high order bits, so 00092 this ordering puts the version in the high four bits. */ 00093 unsigned char h_len:4; // Length of the header 00094 unsigned char version:4; // Version of IP 00095 #endif 00096 unsigned char tos; // Type of service 00097 unsigned short total_len; // Total length of the packet 00098 unsigned short ident; // Unique identifier 00099 unsigned short frag_and_flags; // Flags 00100 unsigned char ttl; 00101 unsigned char proto; // Protocol (TCP, UDP etc) 00102 unsigned short checksum; // IP checksum 00103 unsigned long sourceIP; 00104 unsigned long destIP; 00105 } IpHeader; 00106 00107 // 00108 // ICMP header 00109 // 00110 typedef struct _ihdr 00111 { 00112 unsigned char i_type; 00113 unsigned char i_code; // Type sub code 00114 unsigned short i_cksum; 00115 union { 00116 unsigned char ih_pptr; // ICMP_PARAMPROB 00117 struct in_addr ih_gwaddr; // ICMP_REDIRECT 00118 struct ih_idseq { 00119 unsigned short icd_id; 00120 unsigned short icd_seq; 00121 } ih_idseq; 00122 00123 int ih_void; 00124 00125 // ICMP_UNREACH_NEEDFRAG -- Path MTU Discovery (RFC1191) 00126 struct ih_pmtu { 00127 short ipm_void; 00128 short ipm_nextmtu; 00129 } ih_pmtu; 00130 } icmp_hun; 00131 00132 union { 00133 struct id_ts { 00134 unsigned long its_otime; 00135 unsigned long its_rtime; 00136 unsigned long its_ttime; 00137 } id_ts; 00138 struct id_ip { 00139 struct iphdr idi_ip; 00140 // options and then 64 bits of data 00141 } id_ip; 00142 unsigned long id_mask; 00143 char id_data[1]; 00144 } icmp_dun; 00145 } IcmpHeader; 00146 00147 00148 typedef struct _i_LSRR { // Loose routing format 00149 unsigned char nopt; 00150 unsigned char code; 00151 unsigned char len; 00152 unsigned char ptr; 00153 unsigned long ip_addr[9]; 00154 } IPLooseRoute; 00155 00156 #endif 00157
1.7.6.1 
