1 | #include <machine/rtems-bsd-user-space.h> |
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2 | |
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3 | /* |
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4 | * Copyright (c) 1998-2004 Hannes Gredler <hannes@tcpdump.org> |
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5 | * The TCPDUMP project |
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6 | * |
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7 | * Redistribution and use in source and binary forms, with or without |
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8 | * modification, are permitted provided that: (1) source code |
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9 | * distributions retain the above copyright notice and this paragraph |
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10 | * in its entirety, and (2) distributions including binary code include |
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11 | * the above copyright notice and this paragraph in its entirety in |
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12 | * the documentation or other materials provided with the distribution. |
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13 | * THIS SOFTWARE IS PROVIDED ``AS IS'' AND |
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14 | * WITHOUT ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, WITHOUT |
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15 | * LIMITATION, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS |
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16 | * FOR A PARTICULAR PURPOSE. |
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17 | */ |
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18 | |
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19 | #ifndef lint |
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20 | static const char rcsid[] _U_ = |
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21 | "@(#) $Header: /tcpdump/master/tcpdump/print-eigrp.c,v 1.7 2005-05-06 02:53:26 guy Exp $"; |
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22 | #endif |
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23 | |
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24 | #ifdef HAVE_CONFIG_H |
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25 | #include "config.h" |
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26 | #endif |
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27 | |
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28 | #include <tcpdump-stdinc.h> |
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29 | |
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30 | #include <stdio.h> |
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31 | #include <stdlib.h> |
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32 | #include <string.h> |
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33 | |
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34 | #include "interface.h" |
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35 | #include "extract.h" |
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36 | #include "addrtoname.h" |
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37 | |
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38 | /* |
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39 | * packet format documented at |
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40 | * http://www.rhyshaden.com/eigrp.htm |
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41 | */ |
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42 | |
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43 | struct eigrp_common_header { |
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44 | u_int8_t version; |
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45 | u_int8_t opcode; |
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46 | u_int8_t checksum[2]; |
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47 | u_int8_t flags[4]; |
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48 | u_int8_t seq[4]; |
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49 | u_int8_t ack[4]; |
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50 | u_int8_t asn[4]; |
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51 | }; |
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52 | |
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53 | #define EIGRP_VERSION 2 |
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54 | |
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55 | #define EIGRP_OPCODE_UPDATE 1 |
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56 | #define EIGRP_OPCODE_QUERY 3 |
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57 | #define EIGRP_OPCODE_REPLY 4 |
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58 | #define EIGRP_OPCODE_HELLO 5 |
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59 | #define EIGRP_OPCODE_IPXSAP 6 |
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60 | #define EIGRP_OPCODE_PROBE 7 |
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61 | |
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62 | static const struct tok eigrp_opcode_values[] = { |
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63 | { EIGRP_OPCODE_UPDATE, "Update" }, |
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64 | { EIGRP_OPCODE_QUERY, "Query" }, |
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65 | { EIGRP_OPCODE_REPLY, "Reply" }, |
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66 | { EIGRP_OPCODE_HELLO, "Hello" }, |
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67 | { EIGRP_OPCODE_IPXSAP, "IPX SAP" }, |
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68 | { EIGRP_OPCODE_PROBE, "Probe" }, |
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69 | { 0, NULL} |
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70 | }; |
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71 | |
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72 | static const struct tok eigrp_common_header_flag_values[] = { |
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73 | { 0x01, "Init" }, |
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74 | { 0x02, "Conditionally Received" }, |
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75 | { 0, NULL} |
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76 | }; |
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77 | |
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78 | struct eigrp_tlv_header { |
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79 | u_int8_t type[2]; |
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80 | u_int8_t length[2]; |
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81 | }; |
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82 | |
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83 | #define EIGRP_TLV_GENERAL_PARM 0x0001 |
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84 | #define EIGRP_TLV_AUTH 0x0002 |
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85 | #define EIGRP_TLV_SEQ 0x0003 |
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86 | #define EIGRP_TLV_SW_VERSION 0x0004 |
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87 | #define EIGRP_TLV_MCAST_SEQ 0x0005 |
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88 | #define EIGRP_TLV_IP_INT 0x0102 |
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89 | #define EIGRP_TLV_IP_EXT 0x0103 |
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90 | #define EIGRP_TLV_AT_INT 0x0202 |
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91 | #define EIGRP_TLV_AT_EXT 0x0203 |
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92 | #define EIGRP_TLV_AT_CABLE_SETUP 0x0204 |
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93 | #define EIGRP_TLV_IPX_INT 0x0302 |
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94 | #define EIGRP_TLV_IPX_EXT 0x0303 |
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95 | |
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96 | static const struct tok eigrp_tlv_values[] = { |
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97 | { EIGRP_TLV_GENERAL_PARM, "General Parameters"}, |
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98 | { EIGRP_TLV_AUTH, "Authentication"}, |
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99 | { EIGRP_TLV_SEQ, "Sequence"}, |
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100 | { EIGRP_TLV_SW_VERSION, "Software Version"}, |
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101 | { EIGRP_TLV_MCAST_SEQ, "Next Multicast Sequence"}, |
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102 | { EIGRP_TLV_IP_INT, "IP Internal routes"}, |
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103 | { EIGRP_TLV_IP_EXT, "IP External routes"}, |
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104 | { EIGRP_TLV_AT_INT, "AppleTalk Internal routes"}, |
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105 | { EIGRP_TLV_AT_EXT, "AppleTalk External routes"}, |
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106 | { EIGRP_TLV_AT_CABLE_SETUP, "AppleTalk Cable setup"}, |
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107 | { EIGRP_TLV_IPX_INT, "IPX Internal routes"}, |
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108 | { EIGRP_TLV_IPX_EXT, "IPX External routes"}, |
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109 | { 0, NULL} |
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110 | }; |
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111 | |
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112 | struct eigrp_tlv_general_parm_t { |
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113 | u_int8_t k1; |
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114 | u_int8_t k2; |
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115 | u_int8_t k3; |
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116 | u_int8_t k4; |
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117 | u_int8_t k5; |
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118 | u_int8_t res; |
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119 | u_int8_t holdtime[2]; |
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120 | }; |
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121 | |
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122 | struct eigrp_tlv_sw_version_t { |
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123 | u_int8_t ios_major; |
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124 | u_int8_t ios_minor; |
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125 | u_int8_t eigrp_major; |
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126 | u_int8_t eigrp_minor; |
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127 | }; |
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128 | |
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129 | struct eigrp_tlv_ip_int_t { |
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130 | u_int8_t nexthop[4]; |
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131 | u_int8_t delay[4]; |
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132 | u_int8_t bandwidth[4]; |
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133 | u_int8_t mtu[3]; |
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134 | u_int8_t hopcount; |
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135 | u_int8_t reliability; |
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136 | u_int8_t load; |
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137 | u_int8_t reserved[2]; |
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138 | u_int8_t plen; |
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139 | u_int8_t destination; /* variable length [1-4] bytes encoding */ |
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140 | }; |
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141 | |
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142 | struct eigrp_tlv_ip_ext_t { |
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143 | u_int8_t nexthop[4]; |
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144 | u_int8_t origin_router[4]; |
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145 | u_int8_t origin_as[4]; |
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146 | u_int8_t tag[4]; |
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147 | u_int8_t metric[4]; |
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148 | u_int8_t reserved[2]; |
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149 | u_int8_t proto_id; |
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150 | u_int8_t flags; |
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151 | u_int8_t delay[4]; |
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152 | u_int8_t bandwidth[4]; |
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153 | u_int8_t mtu[3]; |
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154 | u_int8_t hopcount; |
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155 | u_int8_t reliability; |
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156 | u_int8_t load; |
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157 | u_int8_t reserved2[2]; |
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158 | u_int8_t plen; |
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159 | u_int8_t destination; /* variable length [1-4] bytes encoding */ |
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160 | }; |
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161 | |
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162 | struct eigrp_tlv_at_cable_setup_t { |
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163 | u_int8_t cable_start[2]; |
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164 | u_int8_t cable_end[2]; |
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165 | u_int8_t router_id[4]; |
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166 | }; |
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167 | |
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168 | struct eigrp_tlv_at_int_t { |
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169 | u_int8_t nexthop[4]; |
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170 | u_int8_t delay[4]; |
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171 | u_int8_t bandwidth[4]; |
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172 | u_int8_t mtu[3]; |
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173 | u_int8_t hopcount; |
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174 | u_int8_t reliability; |
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175 | u_int8_t load; |
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176 | u_int8_t reserved[2]; |
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177 | u_int8_t cable_start[2]; |
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178 | u_int8_t cable_end[2]; |
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179 | }; |
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180 | |
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181 | struct eigrp_tlv_at_ext_t { |
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182 | u_int8_t nexthop[4]; |
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183 | u_int8_t origin_router[4]; |
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184 | u_int8_t origin_as[4]; |
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185 | u_int8_t tag[4]; |
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186 | u_int8_t proto_id; |
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187 | u_int8_t flags; |
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188 | u_int8_t metric[2]; |
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189 | u_int8_t delay[4]; |
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190 | u_int8_t bandwidth[4]; |
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191 | u_int8_t mtu[3]; |
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192 | u_int8_t hopcount; |
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193 | u_int8_t reliability; |
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194 | u_int8_t load; |
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195 | u_int8_t reserved2[2]; |
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196 | u_int8_t cable_start[2]; |
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197 | u_int8_t cable_end[2]; |
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198 | }; |
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199 | |
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200 | static const struct tok eigrp_ext_proto_id_values[] = { |
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201 | { 0x01, "IGRP" }, |
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202 | { 0x02, "EIGRP" }, |
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203 | { 0x03, "Static" }, |
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204 | { 0x04, "RIP" }, |
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205 | { 0x05, "Hello" }, |
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206 | { 0x06, "OSPF" }, |
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207 | { 0x07, "IS-IS" }, |
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208 | { 0x08, "EGP" }, |
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209 | { 0x09, "BGP" }, |
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210 | { 0x0a, "IDRP" }, |
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211 | { 0x0b, "Connected" }, |
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212 | { 0, NULL} |
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213 | }; |
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214 | |
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215 | void |
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216 | eigrp_print(register const u_char *pptr, register u_int len) { |
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217 | |
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218 | const struct eigrp_common_header *eigrp_com_header; |
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219 | const struct eigrp_tlv_header *eigrp_tlv_header; |
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220 | const u_char *tptr,*tlv_tptr; |
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221 | u_int tlen,eigrp_tlv_len,eigrp_tlv_type,tlv_tlen, byte_length, bit_length; |
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222 | u_int8_t prefix[4]; |
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223 | |
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224 | union { |
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225 | const struct eigrp_tlv_general_parm_t *eigrp_tlv_general_parm; |
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226 | const struct eigrp_tlv_sw_version_t *eigrp_tlv_sw_version; |
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227 | const struct eigrp_tlv_ip_int_t *eigrp_tlv_ip_int; |
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228 | const struct eigrp_tlv_ip_ext_t *eigrp_tlv_ip_ext; |
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229 | const struct eigrp_tlv_at_cable_setup_t *eigrp_tlv_at_cable_setup; |
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230 | const struct eigrp_tlv_at_int_t *eigrp_tlv_at_int; |
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231 | const struct eigrp_tlv_at_ext_t *eigrp_tlv_at_ext; |
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232 | } tlv_ptr; |
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233 | |
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234 | tptr=pptr; |
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235 | eigrp_com_header = (const struct eigrp_common_header *)pptr; |
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236 | TCHECK(*eigrp_com_header); |
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237 | |
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238 | /* |
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239 | * Sanity checking of the header. |
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240 | */ |
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241 | if (eigrp_com_header->version != EIGRP_VERSION) { |
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242 | printf("EIGRP version %u packet not supported",eigrp_com_header->version); |
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243 | return; |
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244 | } |
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245 | |
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246 | /* in non-verbose mode just lets print the basic Message Type*/ |
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247 | if (vflag < 1) { |
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248 | printf("EIGRP %s, length: %u", |
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249 | tok2str(eigrp_opcode_values, "unknown (%u)",eigrp_com_header->opcode), |
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250 | len); |
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251 | return; |
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252 | } |
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253 | |
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254 | /* ok they seem to want to know everything - lets fully decode it */ |
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255 | |
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256 | tlen=len-sizeof(struct eigrp_common_header); |
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257 | |
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258 | /* FIXME print other header info */ |
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259 | printf("\n\tEIGRP v%u, opcode: %s (%u), chksum: 0x%04x, Flags: [%s]\n\tseq: 0x%08x, ack: 0x%08x, AS: %u, length: %u", |
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260 | eigrp_com_header->version, |
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261 | tok2str(eigrp_opcode_values, "unknown, type: %u",eigrp_com_header->opcode), |
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262 | eigrp_com_header->opcode, |
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263 | EXTRACT_16BITS(&eigrp_com_header->checksum), |
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264 | tok2str(eigrp_common_header_flag_values, |
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265 | "none", |
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266 | EXTRACT_32BITS(&eigrp_com_header->flags)), |
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267 | EXTRACT_32BITS(&eigrp_com_header->seq), |
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268 | EXTRACT_32BITS(&eigrp_com_header->ack), |
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269 | EXTRACT_32BITS(&eigrp_com_header->asn), |
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270 | tlen); |
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271 | |
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272 | tptr+=sizeof(const struct eigrp_common_header); |
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273 | |
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274 | while(tlen>0) { |
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275 | /* did we capture enough for fully decoding the object header ? */ |
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276 | TCHECK2(*tptr, sizeof(struct eigrp_tlv_header)); |
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277 | |
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278 | eigrp_tlv_header = (const struct eigrp_tlv_header *)tptr; |
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279 | eigrp_tlv_len=EXTRACT_16BITS(&eigrp_tlv_header->length); |
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280 | eigrp_tlv_type=EXTRACT_16BITS(&eigrp_tlv_header->type); |
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281 | |
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282 | |
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283 | if (eigrp_tlv_len < sizeof(struct eigrp_tlv_header) || |
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284 | eigrp_tlv_len > tlen) { |
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285 | print_unknown_data(tptr+sizeof(struct eigrp_tlv_header),"\n\t ",tlen); |
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286 | return; |
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287 | } |
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288 | |
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289 | printf("\n\t %s TLV (0x%04x), length: %u", |
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290 | tok2str(eigrp_tlv_values, |
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291 | "Unknown", |
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292 | eigrp_tlv_type), |
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293 | eigrp_tlv_type, |
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294 | eigrp_tlv_len); |
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295 | |
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296 | tlv_tptr=tptr+sizeof(struct eigrp_tlv_header); |
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297 | tlv_tlen=eigrp_tlv_len-sizeof(struct eigrp_tlv_header); |
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298 | |
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299 | /* did we capture enough for fully decoding the object ? */ |
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300 | TCHECK2(*tptr, eigrp_tlv_len); |
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301 | |
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302 | switch(eigrp_tlv_type) { |
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303 | |
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304 | case EIGRP_TLV_GENERAL_PARM: |
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305 | tlv_ptr.eigrp_tlv_general_parm = (const struct eigrp_tlv_general_parm_t *)tlv_tptr; |
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306 | |
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307 | printf("\n\t holdtime: %us, k1 %u, k2 %u, k3 %u, k4 %u, k5 %u", |
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308 | EXTRACT_16BITS(tlv_ptr.eigrp_tlv_general_parm->holdtime), |
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309 | tlv_ptr.eigrp_tlv_general_parm->k1, |
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310 | tlv_ptr.eigrp_tlv_general_parm->k2, |
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311 | tlv_ptr.eigrp_tlv_general_parm->k3, |
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312 | tlv_ptr.eigrp_tlv_general_parm->k4, |
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313 | tlv_ptr.eigrp_tlv_general_parm->k5); |
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314 | break; |
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315 | |
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316 | case EIGRP_TLV_SW_VERSION: |
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317 | tlv_ptr.eigrp_tlv_sw_version = (const struct eigrp_tlv_sw_version_t *)tlv_tptr; |
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318 | |
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319 | printf("\n\t IOS version: %u.%u, EIGRP version %u.%u", |
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320 | tlv_ptr.eigrp_tlv_sw_version->ios_major, |
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321 | tlv_ptr.eigrp_tlv_sw_version->ios_minor, |
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322 | tlv_ptr.eigrp_tlv_sw_version->eigrp_major, |
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323 | tlv_ptr.eigrp_tlv_sw_version->eigrp_minor); |
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324 | break; |
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325 | |
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326 | case EIGRP_TLV_IP_INT: |
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327 | tlv_ptr.eigrp_tlv_ip_int = (const struct eigrp_tlv_ip_int_t *)tlv_tptr; |
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328 | |
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329 | bit_length = tlv_ptr.eigrp_tlv_ip_int->plen; |
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330 | if (bit_length > 32) { |
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331 | printf("\n\t illegal prefix length %u",bit_length); |
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332 | break; |
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333 | } |
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334 | byte_length = (bit_length + 7) / 8; /* variable length encoding */ |
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335 | memset(prefix, 0, 4); |
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336 | memcpy(prefix,&tlv_ptr.eigrp_tlv_ip_int->destination,byte_length); |
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337 | |
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338 | printf("\n\t IPv4 prefix: %15s/%u, nexthop: ", |
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339 | ipaddr_string(prefix), |
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340 | bit_length); |
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341 | if (EXTRACT_32BITS(&tlv_ptr.eigrp_tlv_ip_int->nexthop) == 0) |
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342 | printf("self"); |
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343 | else |
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344 | printf("%s",ipaddr_string(&tlv_ptr.eigrp_tlv_ip_int->nexthop)); |
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345 | |
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346 | printf("\n\t delay %u ms, bandwidth %u Kbps, mtu %u, hop %u, reliability %u, load %u", |
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347 | (EXTRACT_32BITS(&tlv_ptr.eigrp_tlv_ip_int->delay)/100), |
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348 | EXTRACT_32BITS(&tlv_ptr.eigrp_tlv_ip_int->bandwidth), |
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349 | EXTRACT_24BITS(&tlv_ptr.eigrp_tlv_ip_int->mtu), |
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350 | tlv_ptr.eigrp_tlv_ip_int->hopcount, |
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351 | tlv_ptr.eigrp_tlv_ip_int->reliability, |
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352 | tlv_ptr.eigrp_tlv_ip_int->load); |
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353 | break; |
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354 | |
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355 | case EIGRP_TLV_IP_EXT: |
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356 | tlv_ptr.eigrp_tlv_ip_ext = (const struct eigrp_tlv_ip_ext_t *)tlv_tptr; |
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357 | |
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358 | bit_length = tlv_ptr.eigrp_tlv_ip_ext->plen; |
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359 | if (bit_length > 32) { |
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360 | printf("\n\t illegal prefix length %u",bit_length); |
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361 | break; |
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362 | } |
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363 | byte_length = (bit_length + 7) / 8; /* variable length encoding */ |
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364 | memset(prefix, 0, 4); |
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365 | memcpy(prefix,&tlv_ptr.eigrp_tlv_ip_ext->destination,byte_length); |
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366 | |
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367 | printf("\n\t IPv4 prefix: %15s/%u, nexthop: ", |
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368 | ipaddr_string(prefix), |
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369 | bit_length); |
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370 | if (EXTRACT_32BITS(&tlv_ptr.eigrp_tlv_ip_ext->nexthop) == 0) |
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371 | printf("self"); |
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372 | else |
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373 | printf("%s",ipaddr_string(&tlv_ptr.eigrp_tlv_ip_ext->nexthop)); |
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374 | |
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375 | printf("\n\t origin-router %s, origin-as %u, origin-proto %s, flags [0x%02x], tag 0x%08x, metric %u", |
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376 | ipaddr_string(tlv_ptr.eigrp_tlv_ip_ext->origin_router), |
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377 | EXTRACT_32BITS(tlv_ptr.eigrp_tlv_ip_ext->origin_as), |
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378 | tok2str(eigrp_ext_proto_id_values,"unknown",tlv_ptr.eigrp_tlv_ip_ext->proto_id), |
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379 | tlv_ptr.eigrp_tlv_ip_ext->flags, |
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380 | EXTRACT_32BITS(tlv_ptr.eigrp_tlv_ip_ext->tag), |
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381 | EXTRACT_32BITS(tlv_ptr.eigrp_tlv_ip_ext->metric)); |
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382 | |
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383 | printf("\n\t delay %u ms, bandwidth %u Kbps, mtu %u, hop %u, reliability %u, load %u", |
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384 | (EXTRACT_32BITS(&tlv_ptr.eigrp_tlv_ip_ext->delay)/100), |
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385 | EXTRACT_32BITS(&tlv_ptr.eigrp_tlv_ip_ext->bandwidth), |
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386 | EXTRACT_24BITS(&tlv_ptr.eigrp_tlv_ip_ext->mtu), |
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387 | tlv_ptr.eigrp_tlv_ip_ext->hopcount, |
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388 | tlv_ptr.eigrp_tlv_ip_ext->reliability, |
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389 | tlv_ptr.eigrp_tlv_ip_ext->load); |
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390 | break; |
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391 | |
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392 | case EIGRP_TLV_AT_CABLE_SETUP: |
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393 | tlv_ptr.eigrp_tlv_at_cable_setup = (const struct eigrp_tlv_at_cable_setup_t *)tlv_tptr; |
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394 | |
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395 | printf("\n\t Cable-range: %u-%u, Router-ID %u", |
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396 | EXTRACT_16BITS(&tlv_ptr.eigrp_tlv_at_cable_setup->cable_start), |
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397 | EXTRACT_16BITS(&tlv_ptr.eigrp_tlv_at_cable_setup->cable_end), |
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398 | EXTRACT_32BITS(&tlv_ptr.eigrp_tlv_at_cable_setup->router_id)); |
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399 | break; |
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400 | |
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401 | case EIGRP_TLV_AT_INT: |
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402 | tlv_ptr.eigrp_tlv_at_int = (const struct eigrp_tlv_at_int_t *)tlv_tptr; |
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403 | |
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404 | printf("\n\t Cable-Range: %u-%u, nexthop: ", |
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405 | EXTRACT_16BITS(&tlv_ptr.eigrp_tlv_at_int->cable_start), |
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406 | EXTRACT_16BITS(&tlv_ptr.eigrp_tlv_at_int->cable_end)); |
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407 | |
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408 | if (EXTRACT_32BITS(&tlv_ptr.eigrp_tlv_at_int->nexthop) == 0) |
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409 | printf("self"); |
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410 | else |
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411 | printf("%u.%u", |
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412 | EXTRACT_16BITS(&tlv_ptr.eigrp_tlv_at_int->nexthop), |
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413 | EXTRACT_16BITS(&tlv_ptr.eigrp_tlv_at_int->nexthop[2])); |
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414 | |
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415 | printf("\n\t delay %u ms, bandwidth %u Kbps, mtu %u, hop %u, reliability %u, load %u", |
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416 | (EXTRACT_32BITS(&tlv_ptr.eigrp_tlv_at_int->delay)/100), |
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417 | EXTRACT_32BITS(&tlv_ptr.eigrp_tlv_at_int->bandwidth), |
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418 | EXTRACT_24BITS(&tlv_ptr.eigrp_tlv_at_int->mtu), |
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419 | tlv_ptr.eigrp_tlv_at_int->hopcount, |
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420 | tlv_ptr.eigrp_tlv_at_int->reliability, |
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421 | tlv_ptr.eigrp_tlv_at_int->load); |
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422 | break; |
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423 | |
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424 | case EIGRP_TLV_AT_EXT: |
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425 | tlv_ptr.eigrp_tlv_at_ext = (const struct eigrp_tlv_at_ext_t *)tlv_tptr; |
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426 | |
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427 | printf("\n\t Cable-Range: %u-%u, nexthop: ", |
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428 | EXTRACT_16BITS(&tlv_ptr.eigrp_tlv_at_ext->cable_start), |
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429 | EXTRACT_16BITS(&tlv_ptr.eigrp_tlv_at_ext->cable_end)); |
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430 | |
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431 | if (EXTRACT_32BITS(&tlv_ptr.eigrp_tlv_at_ext->nexthop) == 0) |
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432 | printf("self"); |
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433 | else |
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434 | printf("%u.%u", |
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435 | EXTRACT_16BITS(&tlv_ptr.eigrp_tlv_at_ext->nexthop), |
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436 | EXTRACT_16BITS(&tlv_ptr.eigrp_tlv_at_ext->nexthop[2])); |
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437 | |
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438 | printf("\n\t origin-router %u, origin-as %u, origin-proto %s, flags [0x%02x], tag 0x%08x, metric %u", |
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439 | EXTRACT_32BITS(tlv_ptr.eigrp_tlv_at_ext->origin_router), |
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440 | EXTRACT_32BITS(tlv_ptr.eigrp_tlv_at_ext->origin_as), |
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441 | tok2str(eigrp_ext_proto_id_values,"unknown",tlv_ptr.eigrp_tlv_at_ext->proto_id), |
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442 | tlv_ptr.eigrp_tlv_at_ext->flags, |
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443 | EXTRACT_32BITS(tlv_ptr.eigrp_tlv_at_ext->tag), |
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444 | EXTRACT_16BITS(tlv_ptr.eigrp_tlv_at_ext->metric)); |
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445 | |
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446 | printf("\n\t delay %u ms, bandwidth %u Kbps, mtu %u, hop %u, reliability %u, load %u", |
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447 | (EXTRACT_32BITS(&tlv_ptr.eigrp_tlv_at_ext->delay)/100), |
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448 | EXTRACT_32BITS(&tlv_ptr.eigrp_tlv_at_ext->bandwidth), |
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449 | EXTRACT_24BITS(&tlv_ptr.eigrp_tlv_at_ext->mtu), |
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450 | tlv_ptr.eigrp_tlv_at_ext->hopcount, |
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451 | tlv_ptr.eigrp_tlv_at_ext->reliability, |
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452 | tlv_ptr.eigrp_tlv_at_ext->load); |
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453 | break; |
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454 | |
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455 | /* |
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456 | * FIXME those are the defined TLVs that lack a decoder |
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457 | * you are welcome to contribute code ;-) |
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458 | */ |
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459 | |
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460 | case EIGRP_TLV_AUTH: |
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461 | case EIGRP_TLV_SEQ: |
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462 | case EIGRP_TLV_MCAST_SEQ: |
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463 | case EIGRP_TLV_IPX_INT: |
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464 | case EIGRP_TLV_IPX_EXT: |
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465 | |
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466 | default: |
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467 | if (vflag <= 1) |
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468 | print_unknown_data(tlv_tptr,"\n\t ",tlv_tlen); |
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469 | break; |
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470 | } |
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471 | /* do we want to see an additionally hexdump ? */ |
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472 | if (vflag > 1) |
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473 | print_unknown_data(tptr+sizeof(struct eigrp_tlv_header),"\n\t ", |
---|
474 | eigrp_tlv_len-sizeof(struct eigrp_tlv_header)); |
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475 | |
---|
476 | tptr+=eigrp_tlv_len; |
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477 | tlen-=eigrp_tlv_len; |
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478 | } |
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479 | return; |
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480 | trunc: |
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481 | printf("\n\t\t packet exceeded snapshot"); |
---|
482 | } |
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