[388] | 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: dhcp4.h 388 2019-05-22 11:25:18Z coas-nagasima $
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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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