1 | /*
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2 | * Copyright (c) 2004-2011 by Internet Systems Consortium, Inc. ("ISC")
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3 | * Copyright (c) 1995-2003 by Internet Software Consortium
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4 | *
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5 | * Permission to use, copy, modify, and distribute this software for any
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6 | * purpose with or without fee is hereby granted, provided that the above
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7 | * copyright notice and this permission notice appear in all copies.
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8 | *
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9 | * THE SOFTWARE IS PROVIDED "AS IS" AND ISC DISCLAIMS ALL WARRANTIES
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10 | * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
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11 | * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL ISC BE LIABLE FOR
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12 | * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
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13 | * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
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14 | * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT
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15 | * OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
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16 | *
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17 | * Internet Systems Consortium, Inc.
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18 | * 950 Charter Street
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19 | * Redwood City, CA 94063
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20 | * <info@isc.org>
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21 | * https://www.isc.org/
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22 | *
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23 | * This code is based on the original client state machine that was
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24 | * written by Elliot Poger. The code has been extensively hacked on
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25 | * by Ted Lemon since then, so any mistakes you find are probably his
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26 | * fault and not Elliot's.
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27 | */
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28 | /*
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29 | * WIDE Project DHCP Implementation
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30 | * Copyright (c) 1995-1997 Akihiro Tominaga
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31 | * Copyright (c) 1995-1997 WIDE Project
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32 | * All rights reserved.
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33 | *
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34 | * Permission to use, copy, modify and distribute this software and its
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35 | * documentation is hereby granted, provided the following conditions
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36 | * are satisfied,
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37 | *
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38 | * 1. Both the copyright notice and this permission notice appear in
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39 | * all copies of the software, derivative works or modified versions,
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40 | * and any portions thereof, and that both notices appear in
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41 | * supporting documentation.
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42 | * 2. All advertising materials mentioning features or use of this software
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43 | * must display the following acknowledgement:
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44 | * This product includes software developed by WIDE Project and
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45 | * its contributors.
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46 | * 3. Neither the name of WIDE Project nor the names of its contributors
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47 | * may be used to endorse or promote products derived from this software
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48 | * without specific prior written permission.
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49 | *
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50 | * THIS SOFTWARE IS PROVIDED BY THE DEVELOPER ``AS IS'' AND WIDE
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51 | * PROJECT DISCLAIMS ANY LIABILITY OF ANY KIND FOR ANY DAMAGES
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52 | * WHATSOEVER RESULTING FROM THE USE OF THIS SOFTWARE. ALSO, THERE
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53 | * IS NO WARRANTY IMPLIED OR OTHERWISE, NOR IS SUPPORT PROVIDED.
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54 | *
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55 | * Feedback of the results generated from any improvements or
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56 | * extensions made to this software would be much appreciated.
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57 | * Any such feedback should be sent to:
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58 | *
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59 | * Akihiro Tominaga
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60 | * WIDE Project
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61 | * Keio University, Endo 5322, Kanagawa, Japan
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62 | * (E-mail: dhcp-dist@wide.ad.jp)
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63 | *
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64 | * WIDE project has the rights to redistribute these changes.
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65 | */
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66 | /*
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67 | * TINET (TCP/IP Protocol Stack)
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68 | *
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69 | * Copyright (C) 2011 by Dep. of Computer Science and Engineering
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70 | * Tomakomai National College of Technology, JAPAN
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71 | *
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72 | * ä¸è¨èä½æ¨©è
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73 | ã¯ï¼ä»¥ä¸ã® (1)ï½(4) ã®æ¡ä»¶ãï¼Free Software Foundation
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74 | * ã«ãã£ã¦å
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75 | ¬è¡¨ããã¦ãã GNU General Public License ã® Version 2 ã«è¨
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76 | * è¿°ããã¦ããæ¡ä»¶ãæºããå ´åã«éãï¼æ¬ã½ããã¦ã§ã¢ï¼æ¬ã½ããã¦ã§ã¢
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77 | * ãæ¹å¤ãããã®ãå«ãï¼ä»¥ä¸åãï¼ã使ç¨ã»è¤è£½ã»æ¹å¤ã»åé
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78 | å¸ï¼ä»¥ä¸ï¼
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79 | * å©ç¨ã¨å¼ã¶ï¼ãããã¨ãç¡åã§è¨±è«¾ããï¼
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80 | * (1) æ¬ã½ããã¦ã§ã¢ãã½ã¼ã¹ã³ã¼ãã®å½¢ã§å©ç¨ããå ´åã«ã¯ï¼ä¸è¨ã®èä½
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81 | * 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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82 | * ã¹ã³ã¼ãä¸ã«å«ã¾ãã¦ãããã¨ï¼
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83 | * (2) æ¬ã½ããã¦ã§ã¢ãï¼ã©ã¤ãã©ãªå½¢å¼ãªã©ï¼ä»ã®ã½ããã¦ã§ã¢éçºã«ä½¿
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84 | * ç¨ã§ããå½¢ã§åé
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85 | å¸ããå ´åã«ã¯ï¼åé
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86 | å¸ã«ä¼´ãããã¥ã¡ã³ãï¼å©ç¨
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87 | * è
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88 | ããã¥ã¢ã«ãªã©ï¼ã«ï¼ä¸è¨ã®èä½æ¨©è¡¨ç¤ºï¼ãã®å©ç¨æ¡ä»¶ããã³ä¸è¨
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89 | * ã®ç¡ä¿è¨¼è¦å®ãæ²è¼ãããã¨ï¼
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90 | * (3) æ¬ã½ããã¦ã§ã¢ãï¼æ©å¨ã«çµã¿è¾¼ããªã©ï¼ä»ã®ã½ããã¦ã§ã¢éçºã«ä½¿
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91 | * ç¨ã§ããªãå½¢ã§åé
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92 | å¸ããå ´åã«ã¯ï¼æ¬¡ã®ããããã®æ¡ä»¶ãæºããã
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93 | * ã¨ï¼
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94 | * (a) åé
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95 | å¸ã«ä¼´ãããã¥ã¡ã³ãï¼å©ç¨è
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96 | ããã¥ã¢ã«ãªã©ï¼ã«ï¼ä¸è¨ã®è
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97 | * ä½æ¨©è¡¨ç¤ºï¼ãã®å©ç¨æ¡ä»¶ããã³ä¸è¨ã®ç¡ä¿è¨¼è¦å®ãæ²è¼ãããã¨ï¼
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98 | * (b) åé
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99 | å¸ã®å½¢æ
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100 | ãï¼å¥ã«å®ããæ¹æ³ã«ãã£ã¦ï¼TOPPERSããã¸ã§ã¯ãã«
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101 | * å ±åãããã¨ï¼
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102 | * (4) æ¬ã½ããã¦ã§ã¢ã®å©ç¨ã«ããç´æ¥çã¾ãã¯éæ¥çã«çãããããªãæ
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103 | * 害ãããï¼ä¸è¨èä½æ¨©è
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104 | ããã³TOPPERSããã¸ã§ã¯ããå
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105 | 責ãããã¨ï¼
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106 | *
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107 | * æ¬ã½ããã¦ã§ã¢ã¯ï¼ç¡ä¿è¨¼ã§æä¾ããã¦ãããã®ã§ããï¼ä¸è¨èä½æ¨©è
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108 | ã
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109 | * ãã³TOPPERSããã¸ã§ã¯ãã¯ï¼æ¬ã½ããã¦ã§ã¢ã«é¢ãã¦ï¼ãã®é©ç¨å¯è½æ§ã
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110 | * å«ãã¦ï¼ãããªãä¿è¨¼ãè¡ããªãï¼ã¾ãï¼æ¬ã½ããã¦ã§ã¢ã®å©ç¨ã«ããç´
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111 | * æ¥çã¾ãã¯éæ¥çã«çãããããªãæ害ã«é¢ãã¦ãï¼ãã®è²¬ä»»ãè² ããªãï¼
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112 | *
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113 | * @(#) $Id$
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114 | */
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115 |
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116 | #ifndef DHCP6_CLI_VAR_H
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117 | #define DHCP6_CLI_VAR_H
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118 |
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119 | #ifdef DHCP6_CLI_CFG
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120 |
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121 | /*
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122 | * DHCP ã¯ã©ã¤ã¢ã³ãã³ã³ããã¹ãæ§é ä½
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123 | */
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124 |
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125 | /* TIMER ã®å®ç¾© */
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126 |
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127 | #define DHCP6C_TIMER_SND_SOL 0
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128 | #define DHCP6C_TIMER_SND_REQ 1
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129 | #define DHCP6C_TIMER_SND_REL 2
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130 | #define DHCP6C_TIMER_RCV_ADV 3
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131 | #define DHCP6C_TIMER_RCV_REPLY 4
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132 | #define DHCP6C_TIMER_RENEW 5
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133 | #define DHCP6C_TIMER_REBIND 6
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134 | #define DHCP6C_TIMER_EXPIRE 7
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135 | #define DHCP6C_TIMER_DEPREF 8
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136 | #define DHCP6C_TIMER_SND_REF 9
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137 | #define DHCP6C_TIMER_SND_IREQ 10
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138 | #define NUM_DHCP6C_TIMERS 11
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139 |
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140 | #define DHCP6C_TIMER_HZ 1
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141 |
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142 | /* å®æ°ã®å®ç¾© */
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143 |
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144 | #define MAX_DUID_LEN (ETHER_ADDR_LEN+8)
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145 |
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146 | typedef struct dhcp6_cli_context {
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147 | T_DHCP6_CLI_MSG *rcv_lst; /* åä¿¡ã¡ãã»ã¼ã¸æ§é ä½ãªã¹ã */
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148 | T_DHCP6_CLI_MSG *val_lst; /* æ¤è¨¼ã¡ãã»ã¼ã¸æ§é ä½ãªã¹ã */
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149 | T_DHCP6_CLI_MSG *prf_lst; /* æ¨å¥¨ã¡ãã»ã¼ã¸æ§é ä½ãªã¹ã */
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150 | T_DHCP6_CLI_MSG *snd_msg; /* éä¿¡ã¡ãã»ã¼ã¸æ§é ä½ */
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151 | T_DHCP6_CLI_MSG *adv_msg; /* éç¥ããããªã¼ã¹ã»ã¡ãã»ã¼ã¸æ§é ä½ */
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152 | T_DHCP6_CLI_MSG *act_msg; /* æå¹ãªãªã¼ã¹ã»ã¡ãã»ã¼ã¸æ§é ä½ */
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153 | T_IF_SOFTC *sc; /* IF ã®ã½ããã¦ã§ã¢æ
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154 | å ± */
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155 | T_IPV6EP dst; /* éä¿¡å
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156 | ã®IPã¢ãã¬ã¹/ãã¼ãçªå· */
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157 | SYSTIM RT; /* åéä¿¡éé */
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158 | SYSTIM IRT; /* åæåéä¿¡éé */
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159 | SYSTIM MRT; /* æ大åéä¿¡éé */
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160 | SYSTIM MRD; /* æ大åéä¿¡ç¶ç¶æé */
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161 | SYSTIM next_MRD; /* 次ã®æ大åéä¿¡ç¶ç¶æé */
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162 | SYSTIM timers[NUM_DHCP6C_TIMERS];
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163 | /* ã¿ã¤ãã¼é
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164 | å */
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165 | ER_UINT error; /* ã¨ã©ã¼ã»ãã¼ã¿é· */
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166 | ID cepid; /* CEP ID */
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167 | uint32_t xid; /* ãã©ã³ã¶ã¯ã·ã§ã³ ID */
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168 | uint16_t flags; /* å種ãã©ã° */
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169 | uint16_t max_prefer; /* åä¿¡ã¡ãã»ã¼ã¸ã®æ大æ¨å¥¨åº¦ */
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170 | uint8_t duid[MAX_DUID_LEN];
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171 | /* client DHCP Unique ID */
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172 | uint8_t duid_len; /* client DUID é· */
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173 | uint8_t fsm; /* ç¾å¨ã®ç¶æ
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174 | */
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175 | uint8_t MRC; /* æ大åéä¿¡åæ° */
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176 | uint8_t txcount; /* åéä¿¡åæ° */
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177 | uint8_t refresh_type; /* REFRESH ã®ã¡ãã»ã¼ã¸ã¿ã¤ã */
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178 | } T_DHCP6_CLI_CONTEXT;
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179 |
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180 | /* fsmï¼ç¶æ
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181 | é·ç§»ï¼ã®å®ç¾© */
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182 |
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183 | #define DHCP6_FSM_INIT 1
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184 | #define DHCP6_FSM_SELECT 2
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185 | #define DHCP6_FSM_BOUND 4
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186 | #define DHCP6_FSM_RENEW 5
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187 | #define DHCP6_FSM_REBIND 6
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188 | #define DHCP6_FSM_REQ_INFO 9 /* DHCPv6 ã® RFC3315 ã«ã¯ç¡ãã*/
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189 | #define DHCP6_FSM_INFORMED 10 /* DHCPv6 ã® RFC3315 ã«ã¯ç¡ãã*/
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190 | #define DHCP6_FSM_REL_INFO 11 /* DHCPv6 ã® RFC3315 ã«ã¯ç¡ãã*/
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191 | #define DHCP6_FSM_SLEEP 12 /* DHCPv6 ã® RFC3315 ã«ã¯ç¡ãã*/
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192 |
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193 | /* flag ã®å®ç¾© */
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194 |
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195 | #define DHCP6C_FLAG_TMOUT_SND_SOL (DHCP6C_FLAG_TMOUT_TIMER|DHCP6C_TIMER_SND_SOL)
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196 | #define DHCP6C_FLAG_TMOUT_SND_REQ (DHCP6C_FLAG_TMOUT_TIMER|DHCP6C_TIMER_SND_REQ)
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197 | #define DHCP6C_FLAG_TMOUT_SND_REL (DHCP6C_FLAG_TMOUT_TIMER|DHCP6C_TIMER_SND_REL)
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198 | #define DHCP6C_FLAG_TMOUT_RCV_ADV (DHCP6C_FLAG_TMOUT_TIMER|DHCP6C_TIMER_RCV_ADV)
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199 | #define DHCP6C_FLAG_TMOUT_RCV_REPLY (DHCP6C_FLAG_TMOUT_TIMER|DHCP6C_TIMER_RCV_REPLY)
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200 | #define DHCP6C_FLAG_TMOUT_RENEW (DHCP6C_FLAG_TMOUT_TIMER|DHCP6C_TIMER_RENEW)
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201 | #define DHCP6C_FLAG_TMOUT_REBIND (DHCP6C_FLAG_TMOUT_TIMER|DHCP6C_TIMER_REBIND)
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202 | #define DHCP6C_FLAG_TMOUT_EXPIRE (DHCP6C_FLAG_TMOUT_TIMER|DHCP6C_TIMER_EXPIRE)
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203 | #define DHCP6C_FLAG_TMOUT_DEPREF (DHCP6C_FLAG_TMOUT_TIMER|DHCP6C_TIMER_DEPREF)
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204 | #define DHCP6C_FLAG_TMOUT_SND_REF (DHCP6C_FLAG_TMOUT_TIMER|DHCP6C_TIMER_SND_REF)
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205 | #define DHCP6C_FLAG_TMOUT_SND_IREQ (DHCP6C_FLAG_TMOUT_TIMER|DHCP6C_TIMER_SND_IREQ)
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206 | #define DHCP6C_FLAG_TMOUT_TIMER UINT_C(0x0010)
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207 | #define DHCP6C_FLAG_TMOUT_TIMER_MASK UINT_C(0x000f)
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208 | #define DHCP6C_FLAG_TMOUT_MASK UINT_C(0x001f)
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209 |
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210 | #define DHCP6C_FLAG_RCV_MSG UINT_C(0x0200)
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211 | #define DHCP6C_FLAG_RENEW UINT_C(0x0400)
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212 |
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213 | /* IAADDR æ§é ä½ã® FLAG ã®å®ç¾©ï¼len ã«å¤éåããï¼*/
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214 |
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215 | #define DHCP6C_IAA_FLAG_EXPIRED UINT_C(0x8000)
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216 | #define DHCP6C_IAA_FLAG_DEPREFERD UINT_C(0x4000)
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217 | #define DHCP6C_IAA_FLAG_MASK UINT_C(0xc000)
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218 |
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219 | /*
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220 | * é¢æ°ã·ãã¥ã¬ã¼ã·ã§ã³ãã¯ã
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221 | */
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222 |
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223 | /* æéæ¯è¼ */
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224 |
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225 | #define TIMEC_GT(a,b) ((int32_t)((a)-(b))>0)
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226 | #define TIMEC_GE(a,b) ((int32_t)((a)-(b))>=0)
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227 |
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228 | /* æéå®æ°ã®å¤æ */
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229 |
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230 | #define SYSTIM2TIMER(t) (((t)<SYSTIM_HZ/DHCP6C_TIMER_HZ)?(DHCP6C_TIMER_HZ):((t)*DHCP6C_TIMER_HZ)/SYSTIM_HZ)
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231 | #define SYSTIM2SEC(t) (((t)<SYSTIM_HZ)?1:((t)/SYSTIM_HZ))
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232 | #define SEC2TIMER(t) ((t)*DHCP6C_TIMER_HZ)
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233 | #define SEC2SYSTIM(t) ((t)*SYSTIM_HZ)
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234 |
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235 | #endif /* of #ifdef DHCP6_CLI_CFG */
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236 |
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237 | #endif /* of #ifndef DHCP6_CLI_VAR_H */
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