1 | /*
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2 | * TINET (TCP/IP Protocol Stack)
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3 | *
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4 | * Copyright (C) 2001-2017 by Dep. of Computer Science and Engineering
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5 | * Tomakomai National College of Technology, JAPAN
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6 | *
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7 | * ä¸è¨èä½æ¨©è
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8 | ã¯ï¼ä»¥ä¸ã® (1)ï½(4) ã®æ¡ä»¶ãï¼Free Software Foundation
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9 | * ã«ãã£ã¦å
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10 | ¬è¡¨ããã¦ãã GNU General Public License ã® Version 2 ã«è¨
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11 | * è¿°ããã¦ããæ¡ä»¶ãæºããå ´åã«éãï¼æ¬ã½ããã¦ã§ã¢ï¼æ¬ã½ããã¦ã§ã¢
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12 | * ãæ¹å¤ãããã®ãå«ãï¼ä»¥ä¸åãï¼ã使ç¨ã»è¤è£½ã»æ¹å¤ã»åé
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13 | å¸ï¼ä»¥ä¸ï¼
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14 | * å©ç¨ã¨å¼ã¶ï¼ãããã¨ãç¡åã§è¨±è«¾ããï¼
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15 | * (1) æ¬ã½ããã¦ã§ã¢ãã½ã¼ã¹ã³ã¼ãã®å½¢ã§å©ç¨ããå ´åã«ã¯ï¼ä¸è¨ã®èä½
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16 | * 権表示ï¼ãã®å©ç¨æ¡ä»¶ããã³ä¸è¨ã®ç¡ä¿è¨¼è¦å®ãï¼ãã®ã¾ã¾ã®å½¢ã§ã½ã¼
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17 | * ã¹ã³ã¼ãä¸ã«å«ã¾ãã¦ãããã¨ï¼
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18 | * (2) æ¬ã½ããã¦ã§ã¢ãï¼ã©ã¤ãã©ãªå½¢å¼ãªã©ï¼ä»ã®ã½ããã¦ã§ã¢éçºã«ä½¿
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19 | * ç¨ã§ããå½¢ã§åé
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20 | å¸ããå ´åã«ã¯ï¼åé
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21 | å¸ã«ä¼´ãããã¥ã¡ã³ãï¼å©ç¨
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22 | * è
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23 | ããã¥ã¢ã«ãªã©ï¼ã«ï¼ä¸è¨ã®èä½æ¨©è¡¨ç¤ºï¼ãã®å©ç¨æ¡ä»¶ããã³ä¸è¨
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24 | * ã®ç¡ä¿è¨¼è¦å®ãæ²è¼ãããã¨ï¼
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25 | * (3) æ¬ã½ããã¦ã§ã¢ãï¼æ©å¨ã«çµã¿è¾¼ããªã©ï¼ä»ã®ã½ããã¦ã§ã¢éçºã«ä½¿
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26 | * ç¨ã§ããªãå½¢ã§åé
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27 | å¸ããå ´åã«ã¯ï¼æ¬¡ã®ããããã®æ¡ä»¶ãæºããã
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28 | * ã¨ï¼
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29 | * (a) åé
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30 | å¸ã«ä¼´ãããã¥ã¡ã³ãï¼å©ç¨è
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31 | ããã¥ã¢ã«ãªã©ï¼ã«ï¼ä¸è¨ã®è
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32 | * ä½æ¨©è¡¨ç¤ºï¼ãã®å©ç¨æ¡ä»¶ããã³ä¸è¨ã®ç¡ä¿è¨¼è¦å®ãæ²è¼ãããã¨ï¼
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33 | * (b) åé
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34 | å¸ã®å½¢æ
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35 | ãï¼å¥ã«å®ããæ¹æ³ã«ãã£ã¦ï¼TOPPERSããã¸ã§ã¯ãã«
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36 | * å ±åãããã¨ï¼
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37 | * (4) æ¬ã½ããã¦ã§ã¢ã®å©ç¨ã«ããç´æ¥çã¾ãã¯éæ¥çã«çãããããªãæ
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38 | * 害ãããï¼ä¸è¨èä½æ¨©è
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39 | ããã³TOPPERSããã¸ã§ã¯ããå
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40 | 責ãããã¨ï¼
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41 | *
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42 | * æ¬ã½ããã¦ã§ã¢ã¯ï¼ç¡ä¿è¨¼ã§æä¾ããã¦ãããã®ã§ããï¼ä¸è¨èä½æ¨©è
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43 | ã
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44 | * ãã³TOPPERSããã¸ã§ã¯ãã¯ï¼æ¬ã½ããã¦ã§ã¢ã«é¢ãã¦ï¼ãã®é©ç¨å¯è½æ§ã
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45 | * å«ãã¦ï¼ãããªãä¿è¨¼ãè¡ããªãï¼ã¾ãï¼æ¬ã½ããã¦ã§ã¢ã®å©ç¨ã«ããç´
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46 | * æ¥çã¾ãã¯éæ¥çã«çãããããªãæ害ã«é¢ãã¦ãï¼ãã®è²¬ä»»ãè² ããªãï¼
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47 | *
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48 | * @(#) $Id$
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49 | */
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50 |
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51 | #ifndef DHCP4_H
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52 | #define DHCP4_H
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53 |
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54 | /*
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55 | * DHCP ã«é¢ããå®ç¾©
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56 | *
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57 | * RFC2131
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58 | */
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59 |
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60 | /*
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61 | * DHCP ã¡ãã»ã¼ã¸ã®å®æ°ã®å®ç¾©
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62 | */
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63 |
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64 | #define DHCP4_CHADDR_LEN 16
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65 | #define DHCP4_SNAME_LEN 64
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66 | #define DHCP4_FILE_LEN 128
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67 | #define DHCP4_DFLT_OPT_LEN 312
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68 | #define DHCP4_UDP_MSG_LENGTH (sizeof(uint32_t)*7+DHCP4_CHADDR_LEN \
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69 | +DHCP4_SNAME_LEN+DHCP4_FILE_LEN+DHCP4_DFLT_OPT_LEN)
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70 | #define DHCP4_SNAME_OFFSET (sizeof(uint32_t)*7+DHCP4_CHADDR_LEN)
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71 | #define DHCP4_FILE_OFFSET (DHCP4_SNAME_OFFSET+DHCP4_SNAME_LEN)
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72 | #define DHCP4_OPTION_OFFSET (DHCP4_FILE_OFFSET+DHCP4_FILE_LEN)
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73 | #define DHCP4_TIME_INFINITY UINT_C(0xffffffff)
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74 |
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75 | /*
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76 | * DHCP ã¡ãã»ã¼ã¸
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77 | */
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78 |
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79 | typedef struct dhcp4_msg {
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80 | uint8_t op; /* packet type */
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81 | uint8_t htype; /* hardware address type */
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82 | uint8_t hlen; /* hardware address length */
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83 | uint8_t hops; /* gateway hops */
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84 | uint32_t xid; /* transaction ID */
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85 | uint16_t secs; /* seconds since boot began */
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86 | uint16_t flags;
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87 | uint32_t ciaddr; /* client IP address */
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88 | uint32_t yiaddr; /* your IP address */
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89 | uint32_t siaddr; /* server IP address */
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90 | uint32_t giaddr; /* relay agent IP address */
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91 | uint8_t chaddr [DHCP4_CHADDR_LEN]; /* client hardware address */
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92 | uint8_t sname [DHCP4_SNAME_LEN]; /* server host name */
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93 | uint8_t file [DHCP4_FILE_LEN]; /* boot file name */
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94 | uint8_t options[DHCP4_DFLT_OPT_LEN]; /* optional parameters field */
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95 | } __attribute__((packed)) T_DHCP4_MSG;
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96 |
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97 | /* packet type ã®å®ç¾© */
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98 |
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99 | #define DHCP4_REQUEST UINT_C(1)
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100 | #define DHCP4_REPLY UINT_C(2)
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101 |
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102 | /* hardware address type ã®å®ç¾© */
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103 |
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104 | #define DHCP4_HWA_TYPE_ETHER UINT_C(1)
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105 | #define DHCP4_HWA_TYPE_IEEE802 UINT_C(6)
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106 |
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107 | /*
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108 | * DHCP ãªãã·ã§ã³
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109 | *
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110 | * RFC1533
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111 | */
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112 |
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113 | /*
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114 | * ãªãã·ã§ã³ã®ç©´åã
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115 | */
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116 | #define DHCP4_OPT_PAD UINT_C(0)
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117 |
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118 | /*
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119 | * ãµãããããã¹ã¯
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120 | *
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121 | * code len subnet mask
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122 | * +------+-----+-----+-----+-----+-----+
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123 | * | 1 | 4 | m1 | m2 | m3 | m4 |
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124 | * +------+-----+-----+-----+-----+-----+
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125 | */
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126 | #define DHCP4_OPT_SUBNET_MASK UINT_C(1)
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127 |
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128 | /*
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129 | * ã«ã¼ã¿
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130 | *
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131 | * code len addres #1 address #2
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132 | * +------+-----+-----+-----+-----+-----+-----+-----+---
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133 | * | 3 | n | a1 | a2 | a3 | a4 | a1 | a2 | ...
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134 | * +------+-----+-----+-----+-----+-----+-----+-----+---
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135 | */
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136 | #define DHCP4_OPT_ROUTER UINT_C(3)
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137 |
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138 | /*
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139 | * DNS ãµã¼ã
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140 | *
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141 | * code len addres #1 address #2
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142 | * +------+-----+-----+-----+-----+-----+-----+-----+---
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143 | * | 6 | n | a1 | a2 | a3 | a4 | a1 | a2 | ...
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144 | * +------+-----+-----+-----+-----+-----+-----+-----+---
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145 | */
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146 | #define DHCP4_OPT_DNS_SERVER UINT_C(6)
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147 |
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148 | /*
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149 | * ãã¹ãå
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150 | *
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151 | * code len host name
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152 | * +------+-----+-----+-----+-----+-----+---
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153 | * | 12 | n | h1 | h2 | h3 | h4 | ...
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154 | * +------+-----+-----+-----+-----+-----+---
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155 | */
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156 | #define DHCP4_OPT_HOST_NAME UINT_C(12)
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157 |
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158 | /*
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159 | * ãã¡ã¤ã³å
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160 | *
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161 | * code len domain name
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162 | * +------+-----+-----+-----+-----+-----+---
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163 | * | 15 | n | d1 | d2 | d3 | d4 | ...
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164 | * +------+-----+-----+-----+-----+-----+---
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165 | */
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166 | #define DHCP4_OPT_DOMAIN_NAME UINT_C(15)
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167 |
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168 | /*
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169 | * ã«ã¼ã¿æ¢ç´¢
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170 | *
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171 | * code len value
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172 | * +------+-----+-----+
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173 | * | 31 | 1 | 0/1 |
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174 | * +------+-----+-----+
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175 | */
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176 | #define DHCP4_OPT_RTR_DISOVERY UINT_C(31)
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177 |
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178 | /*
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179 | * éççµè·¯
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180 | *
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181 | * code len destination #1 router #1
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182 | * +------+-----+-----+-----+-----+-----+-----+-----+---
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183 | * | 33 | n | d1 | d2 | d3 | d4 | r1 | r2 | ...
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184 | * +------+-----+-----+-----+-----+-----+-----+-----+---
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185 | */
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186 | #define DHCP4_OPT_STATIC_ROUTE UINT_C(33)
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187 |
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188 | /*
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189 | * ãã³ãã¼åºææ
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190 | å ±
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191 | *
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192 | * code len vendor-specific informations
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193 | * +------+-----+-----+-----+-----+---
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194 | * | 43 | n | i1 | i2 | i3 | ...
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195 | * +------+-----+-----+-----+-----+---
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196 | *
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197 | */
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198 | #define DHCP4_OPT_VENDOR_INFO UINT_C(43)
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199 |
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200 | /*
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201 | * NetBIOS over TCP/IP ãã¼ã ãµã¼ã
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202 | *
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203 | * code len addres #1 address #2
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204 | * +------+-----+-----+-----+-----+-----+-----+-----+---
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205 | * | 44 | n | a1 | a2 | a3 | a4 | a1 | a2 | ...
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206 | * +------+-----+-----+-----+-----+-----+-----+-----+---
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207 | */
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208 | #define DHCP4_OPT_NETBIOS_NS UINT_C(44)
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209 |
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210 | /*
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211 | * NetBIOS over TCP/IP ãã¼ãã¿ã¤ã
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212 | *
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213 | * code len type
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214 | * +------+-----+-----+
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215 | * | 46 | 1 | type|
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216 | * +------+-----+-----+
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217 | */
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218 | #define DHCP4_OPT_NETBIOS_NODE UINT_C(46)
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219 |
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220 | /*
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221 | * NetBIOS over TCP/IP ã¹ã³ã¼ã
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222 | *
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223 | * code len NetBIOS scope
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224 | * +------+-----+-----+-----+-----+-----+---
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225 | * | 44 | n | s1 | s2 | s3 | s4 | ...
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226 | * +------+-----+-----+-----+-----+-----+---
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227 | */
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228 | #define DHCP4_OPT_NETBIOS_SCOPE UINT_C(47)
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229 |
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230 | /*
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231 | * ç¹å®ã® IPv4 ã¢ãã¬ã¹è¦æ±
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232 | *
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233 | * code len IPv4 address
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234 | * +------+-----+-----+-----+-----+-----+
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235 | * | 50 | 4 | a1 | a2 | a3 | a4 |
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236 | * +------+-----+-----+-----+-----+-----+
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237 | */
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238 | #define DHCP4_OPT_REQ_IPV4 UINT_C(50)
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239 |
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240 | /*
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241 | * ãªã¼ã¹æé
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242 | *
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243 | * code len lease time
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244 | * +------+-----+-----+-----+-----+-----+
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245 | * | 51 | 4 | t1 | t2 | t3 | t4 |
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246 | * +------+-----+-----+-----+-----+-----+
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247 | */
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248 | #define DHCP4_OPT_LEASE_TIME UINT_C(51)
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249 |
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250 | /*
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251 | * ãªãã·ã§ã³ãªã¼ãã¼ãã¼ã
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252 | *
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253 | * code len value
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254 | * +------+-----+-----+
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255 | * | 52 | 1 | 1-3 |
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256 | * +------+-----+-----+
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257 | */
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258 | #define DHCP4_OPT_OPT_OVERLOAD UINT_C(52)
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259 |
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260 | /* value ã®å®ç¾© */
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261 |
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262 | #define DHCP4_OPTOL_FILE UINT_C(0x01)
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263 | #define DHCP4_OPTOL_SNAME UINT_C(0x02)
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264 | #define DHCP4_OPTOL_BOTH UINT_C(0x03)
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265 |
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266 | /*
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267 | * DHCP ã¡ãã»ã¼ã¸ã¿ã¤ã
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268 | *
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269 | * code len type
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270 | * +------+-----+-----+
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271 | * | 53 | 1 | 1-7 |
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272 | * +------+-----+-----+
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273 | */
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274 | #define DHCP4_OPT_MSG_TYPE UINT_C(53)
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275 |
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276 | /* type ã®å®ç¾© */
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277 |
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278 | #define DHCP4_MTYPE_BOOTP UINT_C(0)
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279 | #define DHCP4_MTYPE_DISCOVER UINT_C(1)
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280 | #define DHCP4_MTYPE_OFFER UINT_C(2)
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281 | #define DHCP4_MTYPE_REQUEST UINT_C(3)
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282 | #define DHCP4_MTYPE_DECLINE UINT_C(4)
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283 | #define DHCP4_MTYPE_ACK UINT_C(5)
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284 | #define DHCP4_MTYPE_NAK UINT_C(6)
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285 | #define DHCP4_MTYPE_RELEASE UINT_C(7)
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286 | #define DHCP4_MTYPE_INFOMATION UINT_C(8)
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287 |
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288 | /*
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289 | * ãµã¼ã ID
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290 | *
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291 | * code len IPv4 address
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292 | * +------+-----+-----+-----+-----+-----+
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293 | * | 54 | 4 | a1 | a2 | a3 | a4 |
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294 | * +------+-----+-----+-----+-----+-----+
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295 | */
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296 | #define DHCP4_OPT_SERVER_ID UINT_C(54)
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297 |
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298 | /*
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299 | * è¦æ±ãã©ã¡ã¼ã¿ãªã¹ã
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300 | *
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301 | * code len option code
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302 | * +------+-----+-----+-----+-----+---
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303 | * | 55 | n | c1 | c2 | c3 | ...
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304 | * +------+-----+-----+-----+-----+---
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305 | *
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306 | */
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307 | #define DHCP4_OPT_REQ_PARAM UINT_C(55)
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308 |
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309 | /*
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310 | * Renewal (T1) æé
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311 | *
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312 | * code len T1 interval
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313 | * +------+-----+-----+-----+-----+-----+
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314 | * | 58 | 4 | t1 | t2 | t3 | t4 |
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315 | * +------+-----+-----+-----+-----+-----+
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316 | */
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317 | #define DHCP4_OPT_RENEWAL_T1 UINT_C(58)
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318 |
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319 | /*
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320 | * Rebinding (T2) æé
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321 | *
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322 | * code len T2 interval
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323 | * +------+-----+-----+-----+-----+-----+
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324 | * | 59 | 4 | t1 | t2 | t3 | t4 |
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325 | * +------+-----+-----+-----+-----+-----+
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326 | */
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327 | #define DHCP4_OPT_REBINDING_T2 UINT_C(59)
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328 |
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329 | /*
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330 | * ãã³ãã¼ã¯ã©ã¹ IDï¼RFC2132ï¼
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331 | *
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332 | * code len vendor class ID
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333 | * +------+-----+-----+-----+-----+---
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334 | * | 60 | n | i1 | i2 | i3 | ...
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335 | * +------+-----+-----+-----+-----+---
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336 | *
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337 | */
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338 | #define DHCP4_OPT_VCLASS_ID UINT_C(60)
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339 |
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340 | /*
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341 | * ã¯ã©ã¤ã¢ã³ã ID
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342 | *
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343 | * code len type client ID
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344 | * +------+-----+-----+-----+-----+---
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345 | * | 61 | n | type| i1 | i2 | ...
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346 | * +------+-----+-----+-----+-----+---
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347 | *
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348 | * type : ãã¼ãã¦ã§ã¢ã¢ãã¬ã¹ã¿ã¤ã
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349 | * i1, i2, ...: é常 MAC ã¢ãã¬ã¹
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350 | */
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351 | #define DHCP4_OPT_CLIENT_ID UINT_C(61)
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352 |
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353 | /*
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354 | * ã¯ã©ã¹ãªãéççµè·¯ï¼RFC3442ï¼
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355 | *
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356 | * code len destination #1 router #1
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357 | * +------+-----+-----+------+-----+-----+-----+-----+---
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358 | * | 121 | n | d1 | ... | dN | r1 | r2 | r3 | ...
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359 | * +------+-----+-----+------+-----+-----+-----+-----+---
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360 | */
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361 | #define DHCP4_OPT_CLASSLESS_RTE UINT_C(121)
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362 |
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363 | /*
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364 | * ãªãã·ã§ã³ã®çµäº
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365 | */
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366 | #define DHCP4_OPT_END UINT_C(255)
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367 |
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368 | /*
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369 | * magic çªå·ï¼RFC1048ï¼
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370 | */
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371 |
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372 | #define DHCP4_RFC1048_MAGIC { UINT_C(99), UINT_C(130), UINT_C(83), UINT_C(99), }
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373 | #define DHCP4_MAGIC_LEN 4
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374 |
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375 | /*
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376 | * UDP ãã¼ãçªå·
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377 | */
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378 |
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379 | #ifndef DHCP4_SRV_CFG_PORTNO
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380 | #define DHCP4_SRV_CFG_PORTNO 67 /* server */
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381 | #endif
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382 |
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383 | #ifndef DHCP4_CLI_CFG_PORTNO
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384 | #define DHCP4_CLI_CFG_PORTNO 68 /* client */
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385 | #endif
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386 |
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387 | #endif /* of #ifndef DHCP4_H */
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