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»¶ãæºããå ´åã«éãï¼æ¬ã½ããã¦ã§
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9 | * ã¢ï¼æ¬ã½ããã¦ã§ã¢ãæ¹å¤ãããã®ãå«ãï¼ä»¥ä¸åãï¼ã使ç¨ã»è¤è£½ã»æ¹
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10 | * å¤ã»åé
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11 | å¸ï¼ä»¥ä¸ï¼å©ç¨ã¨å¼ã¶ï¼ãããã¨ãç¡åã§è¨±è«¾ããï¼
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12 | * (1) æ¬ã½ããã¦ã§ã¢ãã½ã¼ã¹ã³ã¼ãã®å½¢ã§å©ç¨ããå ´åã«ã¯ï¼ä¸è¨ã®èä½
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13 | * 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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14 | * ã¹ã³ã¼ãä¸ã«å«ã¾ãã¦ãããã¨ï¼
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15 | * (2) æ¬ã½ããã¦ã§ã¢ãï¼ã©ã¤ãã©ãªå½¢å¼ãªã©ï¼ä»ã®ã½ããã¦ã§ã¢éçºã«ä½¿
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16 | * ç¨ã§ããå½¢ã§åé
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17 | å¸ããå ´åã«ã¯ï¼åé
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18 | å¸ã«ä¼´ãããã¥ã¡ã³ãï¼å©ç¨
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19 | * è
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20 | ããã¥ã¢ã«ãªã©ï¼ã«ï¼ä¸è¨ã®èä½æ¨©è¡¨ç¤ºï¼ãã®å©ç¨æ¡ä»¶ããã³ä¸è¨
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21 | * ã®ç¡ä¿è¨¼è¦å®ãæ²è¼ãããã¨ï¼
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22 | * (3) æ¬ã½ããã¦ã§ã¢ãï¼æ©å¨ã«çµã¿è¾¼ããªã©ï¼ä»ã®ã½ããã¦ã§ã¢éçºã«ä½¿
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23 | * ç¨ã§ããªãå½¢ã§åé
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24 | å¸ããå ´åã«ã¯ï¼æ¬¡ã®ããããã®æ¡ä»¶ãæºããã
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25 | * ã¨ï¼
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26 | * (a) åé
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27 | å¸ã«ä¼´ãããã¥ã¡ã³ãï¼å©ç¨è
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28 | ããã¥ã¢ã«ãªã©ï¼ã«ï¼ä¸è¨ã®è
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29 | * ä½æ¨©è¡¨ç¤ºï¼ãã®å©ç¨æ¡ä»¶ããã³ä¸è¨ã®ç¡ä¿è¨¼è¦å®ãæ²è¼ãããã¨ï¼
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30 | * (b) åé
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31 | å¸ã®å½¢æ
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32 | ãï¼å¥ã«å®ããæ¹æ³ã«ãã£ã¦ï¼TOPPERSããã¸ã§ã¯ãã«
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33 | * å ±åãããã¨ï¼
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34 | * (4) æ¬ã½ããã¦ã§ã¢ã®å©ç¨ã«ããç´æ¥çã¾ãã¯éæ¥çã«çãããããªãæ
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35 | * 害ãããï¼ä¸è¨èä½æ¨©è
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36 | ããã³TOPPERSããã¸ã§ã¯ããå
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37 | 責ãããã¨ï¼
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38 | * ã¾ãï¼æ¬ã½ããã¦ã§ã¢ã®ã¦ã¼ã¶ã¾ãã¯ã¨ã³ãã¦ã¼ã¶ããã®ãããªãç
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39 | * ç±ã«åºã¥ãè«æ±ãããï¼ä¸è¨èä½æ¨©è
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40 | ããã³TOPPERSããã¸ã§ã¯ãã
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41 | * å
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42 | 責ãããã¨ï¼
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43 | *
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44 | * æ¬ã½ããã¦ã§ã¢ã¯ï¼ç¡ä¿è¨¼ã§æä¾ããã¦ãããã®ã§ããï¼ä¸è¨èä½æ¨©è
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45 | ã
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46 | * ãã³TOPPERSããã¸ã§ã¯ãã¯ï¼æ¬ã½ããã¦ã§ã¢ã«é¢ãã¦ï¼ç¹å®ã®ä½¿ç¨ç®ç
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47 | * ã«å¯¾ããé©åæ§ãå«ãã¦ï¼ãããªãä¿è¨¼ãè¡ããªãï¼ã¾ãï¼æ¬ã½ããã¦ã§
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48 | * ã¢ã®å©ç¨ã«ããç´æ¥çã¾ãã¯éæ¥çã«çãããããªãæ害ã«é¢ãã¦ãï¼ã
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49 | * ã®è²¬ä»»ãè² ããªãï¼
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50 | *
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51 | * @(#) $Id: netcmd.c 388 2019-05-22 11:25:18Z coas-nagasima $
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52 | */
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53 | #include "shellif.h"
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54 | #include <kernel.h>
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55 | #include <t_stdlib.h>
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56 | #include <sil.h>
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57 | #include <string.h>
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58 | #include "syssvc/serial.h"
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59 | #include "syssvc/syslog.h"
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60 | #include <tinet_config.h>
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61 | #include <netinet/in.h>
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62 | #include <netinet/in_itron.h>
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63 | #include <tinet_nic_defs.h>
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64 | #include <tinet_cfg.h>
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65 | #include <netinet/in_var.h>
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66 | #include <net/ethernet.h>
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67 | #include <net/if6_var.h>
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68 | #include <net/net.h>
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69 | #include <net/if_var.h>
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70 | #include <netinet/udp_var.h>
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71 | #include <netapp/netapp_var.h>
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72 | #include <netapp/netapp.h>
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73 | #include <netapp/dhcp4_cli.h>
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74 | #include <netapp/resolver.h>
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75 | #include "core/ntlibc.h"
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76 | #include <stdio.h>
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77 | #include "ntp_cli.h"
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78 | #include "kernel_cfg.h"
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79 |
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80 | #if defined(SUPPORT_INET6)
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81 | #define DEFAULT_API_PROTO API_PROTO_IPV6
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82 | #else
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83 | #define DEFAULT_API_PROTO API_PROTO_IPV4
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84 | #endif
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85 | extern void ping6(T_IN6_ADDR *addr, uint_t tmo, uint_t len);
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86 | extern void ping4(T_IN4_ADDR *addr, uint_t tmo, uint_t len);
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87 |
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88 | /*
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89 | * str_num -- cons_printf ã®æ°å¤å¤æ
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90 | */
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91 |
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92 | static void
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93 | str_chr(char *text, int *pos, int size, char c)
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94 | {
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95 | if (*pos >= size)
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96 | return;
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97 | text[*pos] = c;
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98 | *pos = *pos + 1;
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99 | }
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100 |
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101 | /*
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102 | * str_num -- cons_printf ã®æ°å¤å¤æ
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103 | */
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104 |
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105 | static int
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106 | str_num(char *text, int *pos, int size, ulong_t val, int radix,
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107 | const char *radchar, int width, bool_t minus, char padchar)
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108 | {
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109 | char digits[24];
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110 | int ix, pad, pchars;
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111 | bool_t left;
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112 |
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113 | if (width < 0) {
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114 | width = -width;
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115 | left = true;
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116 | }
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117 | else
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118 | left = false;
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119 |
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120 | ix = 0;
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121 | do {
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122 | digits[ix ++] = radchar[val % radix];
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123 | val /= radix;
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124 | } while (val != 0);
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125 |
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126 | if (minus)
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127 | digits[ix ++] = '-';
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128 |
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129 | if (width > ix)
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130 | pchars = width;
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131 | else
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132 | pchars = ix;
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133 |
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134 | pad = ix;
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135 | if (!left) /* å³è©°ã */
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136 | for ( ; pad < width; pad ++)
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137 | str_chr(text, pos, size, padchar);
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138 |
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139 | while (ix -- > 0)
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140 | str_chr(text, pos, size, digits[ix]);
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141 |
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142 | if (left) /* 左詰ã */
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143 | for ( ; pad < width; pad ++)
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144 | str_chr(text, pos, size, padchar);
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145 |
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146 | return pchars;
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147 | }
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148 |
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149 | /*
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150 | * str_ipv4addr -- IPv4 ã¢ãã¬ã¹åºå
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151 | */
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152 |
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153 | int
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154 | str_ipv4addr (char *text, int size, T_IN4_ADDR *addr, int width)
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155 | {
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156 | int len = 3, pos = 0; /* 3 㯠'.' ã®æåæ° */
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157 |
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158 | len += str_num(text, &pos, size, (*addr >> 24) & 0xff, 10, radhex, 0, false, ' ');
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159 | str_chr(text, &pos, size, '.');
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160 | len += str_num(text, &pos, size, (*addr >> 16) & 0xff, 10, radhex, 0, false, ' ');
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161 | str_chr(text, &pos, size, '.');
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162 | len += str_num(text, &pos, size, (*addr >> 8) & 0xff, 10, radhex, 0, false, ' ');
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163 | str_chr(text, &pos, size, '.');
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164 | len += str_num(text, &pos, size, *addr & 0xff, 10, radhex, 0, false, ' ');
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165 |
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166 | for ( ; len < width; len ++)
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167 | str_chr(text, &pos, size, ' ');
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168 |
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169 | return len;
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170 | }
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171 |
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172 | /*
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173 | * ipv6addr -- IPv6 ã¢ãã¬ã¹åºå
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174 | */
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175 |
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176 | int
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177 | str_ipv6addr (char *text, int size, const T_IN6_ADDR *addr, int width)
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178 | {
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179 | int len = 0, ix, len6, pos = 0;
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180 | bool_t omit = false, zero = false;
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181 |
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182 | if (addr == NULL || IN6_IS_ADDR_UNSPECIFIED(addr)) {
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183 | str_chr(text, &pos, size, '0');
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184 | str_chr(text, &pos, size, ':');
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185 | str_chr(text, &pos, size, ':');
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186 | str_chr(text, &pos, size, '0');
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187 | len = 4;
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188 | }
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189 | else {
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190 | if (in6_is_addr_ipv4mapped(addr))
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191 | len6 = sizeof(T_IN6_ADDR) / 2 - 2;
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192 | else
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193 | len6 = sizeof(T_IN6_ADDR) / 2;
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194 | for (ix = 0; ix < len6; ix ++) {
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195 | if (omit) {
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196 | len += str_num(text, &pos, size, ntohs(addr->s6_addr16[ix]), 16, radhex, 0, false, ' ');
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197 | if (ix < 7) {
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198 | str_chr(text, &pos, size, ':');
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199 | len ++;
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200 | }
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201 | }
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202 | else if (ix > 0 && ix < 7 && addr->s6_addr16[ix] == 0)
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203 | zero = true;
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204 | else {
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205 | if (zero) {
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206 | omit = true;
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207 | str_chr(text, &pos, size, ':');
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208 | len ++;
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209 | }
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210 | len += str_num(text, &pos, size, ntohs(addr->s6_addr16[ix]), 16, radhex, 0, false, ' ');
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211 | if (ix < 7) {
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212 | str_chr(text, &pos, size, ':');
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213 | len ++;
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214 | }
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215 | }
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216 | }
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217 |
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218 | if (len6 == sizeof(T_IN6_ADDR) / 2 - 2) {
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219 | T_IN4_ADDR ip4addr;
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220 |
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221 | ip4addr = ntohl(addr->s6_addr32[3]);
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222 | len += str_ipv4addr(&text[len], size - len, &ip4addr, 0);
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223 | }
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224 |
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225 | for ( ; len < width; len ++)
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226 | str_chr(text, &pos, size, ' ');
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227 | }
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228 | return len;
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229 | }
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230 |
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231 | /*
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232 | * str_macaddr -- MAC ã¢ãã¬ã¹åºå
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233 | */
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234 |
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235 | int
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236 | str_macaddr (char *text, int size, uint8_t *mac, int width)
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237 | {
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238 | int oct, len, pos = 0;
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239 |
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240 | for (oct = 5; oct -- > 0; ) {
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241 | str_num(text, &pos, size, *mac ++, 16, radhex, 2, false, '0');
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242 | str_chr(text, &pos, size, ':');
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243 | }
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244 | str_num(text, &pos, size, *mac, 16, radhex, 2, false, '0');
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245 |
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246 | for (len = 17; len < width; len ++)
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247 | str_chr(text, &pos, size, ' ');
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248 |
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249 | return len;
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250 | }
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251 |
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252 | int usrcmd_ping(int argc, char **argv)
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253 | {
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254 | int tmo = 3, size = 64;
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255 | char apip = DEFAULT_API_PROTO;
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256 | char *line = argv[1];
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257 | #if defined(SUPPORT_INET6)
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258 | T_IN6_ADDR addr;
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259 | #if defined(SUPPORT_INET4)
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260 | T_IN4_ADDR addr4;
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261 | #endif
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262 | #else
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263 | T_IN4_ADDR addr;
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264 | #endif
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265 | static const char i6rlp_pmtu_str1[] = " FF1E::1:2 1 1452";
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266 | static const char i6rlp_pmtu_str2[] = " FF1E::1:2 1 1352";
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267 | static const char i6rlp_pmtu_str3[] = " fe80::0200:00ff:fe00:0100 1 2";
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268 |
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269 | if (apip == '1')
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270 | ntlibc_strcpy(line, i6rlp_pmtu_str1);
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271 | else if (apip == '2')
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272 | ntlibc_strcpy(line, i6rlp_pmtu_str2);
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273 | else if (apip == '3')
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274 | ntlibc_strcpy(line, i6rlp_pmtu_str3);
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275 |
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276 | #if defined(SUPPORT_INET6) && defined(SUPPORT_INET4)
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277 | if (argc <= 2)
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278 | return 0;
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279 |
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280 | if ('0' <= *line && *line <= '9') {
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281 | if (*line == '6')
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282 | apip = API_PROTO_IPV6;
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283 | if (*line == '4')
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284 | apip = API_PROTO_IPV4;
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285 | line++;
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286 | }
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287 |
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288 | line = argv[2];
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289 | #else
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290 | if (argc <= 1)
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291 | return 0;
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292 | #endif /* of #if defined(SUPPORT_INET6) && defined(SUPPORT_INET4) */
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293 |
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294 | if ((line = lookup_ipaddr(&addr, line, apip)) == NULL) {
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295 | printf("[PING] unknown host.\n");
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296 | return 0;
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297 | }
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298 |
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299 | if (argc > 2) {
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300 | line = argv[2];
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301 | if ('0' <= *line && *line <= '9')
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302 | line = get_int(&tmo, line);
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303 |
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304 | if (argc > 3) {
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305 | line = argv[3];
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306 | if ('0' <= *line && *line <= '9')
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307 | line = get_int(&size, line);
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308 | }
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309 | }
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310 |
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311 | #if defined(SUPPORT_INET6)
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312 | #if defined(SUPPORT_INET4)
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313 | if (apip == API_PROTO_IPV6) {
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314 | printf("[PING6] size: %d, tmo: %d, host: %s\n", size, tmo, ipv62str(NULL, &addr));
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315 | ping6(&addr, (uint_t)tmo, (uint_t)size);
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316 | }
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317 | else {
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318 | addr4 = ntohl(addr.s6_addr32[3]);
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319 | printf("[PING4] size: %d, tmo: %d, host: %s\n", size, tmo, ip2str(NULL, &addr4));
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320 | ping4(&addr4, (uint_t)tmo, (uint_t)size);
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321 | }
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322 | #else /* of #if defined(SUPPORT_INET4) */
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323 | printf("[PING6] size: %d, tmo: %d, host: %s\n", size, tmo, ipv62str(NULL, &addr));
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324 | ping6(&addr, (uint_t)tmo, (uint_t)size);
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325 | #endif /* of #if defined(SUPPORT_INET4) */
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326 | #else /* of #if defined(SUPPORT_INET6) */
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327 | printf("[PING4] size: %d, tmo: %d, host: %s\n", size, tmo, ip2str(NULL, &addr));
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328 | ping4(&addr, (uint_t)tmo, (uint_t)size);
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329 | #endif /* of #if defined(SUPPORT_INET6) */
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330 |
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331 | return 0;
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332 | }
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333 |
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334 | static void dhcp4c_info()
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335 | {
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336 | T_IN4_ADDR svaddr;
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337 | SYSTIM bind_start;
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338 | ER ret;
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339 | uint32_t expire, renew, rebind;
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340 | char temp[30];
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341 | int pos;
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342 |
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343 | if ((ret = dhcp4c_get_info(&svaddr, &expire, &renew, &rebind, &bind_start)) == E_OK) {
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344 | pos = str_ipv4addr(temp, sizeof(temp), &svaddr, 0);
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345 | temp[pos] = '\0';
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346 | printf("DHCPv4 server: %s,\n", temp);
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347 | printf(" Renew: %u:%02u:%02u,\n",
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348 | renew / 3600, (renew / 60) % 60, renew % 60);
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349 | printf(" Rebind: %u:%02u:%02u, Expire: %u:%02u:%02u.\n",
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350 | rebind / 3600, (rebind / 60) % 60, rebind % 60,
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351 | expire / 3600, (expire / 60) % 60, expire % 60);
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352 | }
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353 | else if (ret == E_OBJ)
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354 | printf("DHCPv4 server: not available.\n");
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355 | }
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356 |
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357 | int usrcmd_dhcp4c(int argc, char **argv)
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358 | {
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359 | ER ret;
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360 |
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361 | if (argc < 2)
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362 | return 0;
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363 |
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364 | if (ntlibc_strcmp(argv[1], "rel") == 0) {
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365 | ret = dhcp4c_rel_info();
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366 | printf("dhcp4c_rel_info %d\n", ret);
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367 | }
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368 | else if (ntlibc_strcmp(argv[1], "renew") == 0) {
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369 | ret = dhcp4c_renew_info();
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370 | printf("dhcp4c_renew_info %d\n", ret);
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371 | }
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372 | else {
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373 | dhcp4c_info();
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374 | }
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375 |
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376 | return 0;
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377 | }
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378 |
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379 | /*
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380 | * s_show_dns_domain_name -- DNS ã®ãã¡ã¤ã³åã表示ããã
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381 | */
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382 |
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383 | static uint_t
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384 | s_show_dns_domain_name(uint8_t *hdr, uint_t offset)
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385 | {
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386 | uint8_t *ptr;
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387 | uint_t c;
|
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388 |
|
---|
389 | ptr = hdr + offset;
|
---|
390 | while (*ptr) {
|
---|
391 | if ((*ptr & DNS_MSG_COMP_MARK) == DNS_MSG_COMP_MARK) {
|
---|
392 | s_show_dns_domain_name(hdr, (*ptr & ~DNS_MSG_COMP_MARK) << 8 | *(ptr + 1));
|
---|
393 | ptr += 2;
|
---|
394 | break;
|
---|
395 | }
|
---|
396 | else {
|
---|
397 | for (c = 1; c <= *ptr; c++)
|
---|
398 | printf("%c", *(ptr + c));
|
---|
399 | ptr += *ptr + 1;
|
---|
400 | if (*ptr)
|
---|
401 | printf(".");
|
---|
402 | }
|
---|
403 | }
|
---|
404 | return ptr - hdr;
|
---|
405 | }
|
---|
406 |
|
---|
407 | /*
|
---|
408 | * show_dns_soa -- DNS ã® SOA RDATA ã表示ããã
|
---|
409 | */
|
---|
410 |
|
---|
411 | static ER_UINT
|
---|
412 | show_dns_soa(uint8_t *msg, ER_UINT length, uint_t offset)
|
---|
413 | {
|
---|
414 | T_RSLV_SOA soa;
|
---|
415 | ER_UINT error;
|
---|
416 | uint_t rn_offset;
|
---|
417 |
|
---|
418 | if ((error = dns_analyze_soa(&soa, offset, msg, length)) < 0)
|
---|
419 | return error;
|
---|
420 |
|
---|
421 | printf(" mname: ");
|
---|
422 | rn_offset = s_show_dns_domain_name(msg, offset);
|
---|
423 | putchar('\n');
|
---|
424 | printf(" rname: ");
|
---|
425 | s_show_dns_domain_name(msg, rn_offset);
|
---|
426 | putchar('\n');
|
---|
427 |
|
---|
428 | printf(" serial: %d\n", soa.serial);
|
---|
429 | printf(" refresh: %d\n", soa.refresh);
|
---|
430 | printf(" retry: %d\n", soa.retry);
|
---|
431 | printf(" expirel: %d\n", soa.expire);
|
---|
432 | printf(" minimum: %d\n", soa.minimum);
|
---|
433 |
|
---|
434 | return E_OK;
|
---|
435 | }
|
---|
436 |
|
---|
437 | /*
|
---|
438 | * show_dns_qdsection -- DNS ã® Question ã»ã¯ã·ã§ã³ã表示ããã
|
---|
439 | */
|
---|
440 |
|
---|
441 | static ER_UINT
|
---|
442 | show_dns_qdsection(uint8_t *msg, ER_UINT length, T_RSLV_DNS_MSG *rslv)
|
---|
443 | {
|
---|
444 | T_RSLV_QD qd;
|
---|
445 | ER_UINT offset, error;
|
---|
446 | int scount;
|
---|
447 |
|
---|
448 | printf("question section: %d\n", rslv->dns_hdr.qdcount);
|
---|
449 | offset = rslv->qd_offset;
|
---|
450 | for (scount = 1; scount <= rslv->dns_hdr.qdcount; scount++) {
|
---|
451 | if ((error = dns_analyze_qd(&qd, offset, msg, length)) < 0)
|
---|
452 | return error;
|
---|
453 |
|
---|
454 | printf("%2d: ", scount);
|
---|
455 | s_show_dns_domain_name(msg, offset);
|
---|
456 | printf("\n type: %-4s, class: %2s\n", dns_strtype(qd.type), dns_strclass(qd.class));
|
---|
457 | offset = error;
|
---|
458 | }
|
---|
459 |
|
---|
460 | return E_OK;
|
---|
461 | }
|
---|
462 |
|
---|
463 | /*
|
---|
464 | * show_dns_section -- DNS ã®åã»ã¯ã·ã§ã³ã表示ããã
|
---|
465 | */
|
---|
466 |
|
---|
467 | static ER_UINT
|
---|
468 | show_dns_section(uint8_t *msg, ER_UINT length, uint_t scount, uint_t offset, char *title)
|
---|
469 | {
|
---|
470 | T_RSLV_RR rr;
|
---|
471 | T_IN4_ADDR in4_addr;
|
---|
472 | ER_UINT error;
|
---|
473 | int count, dcount, col;
|
---|
474 | T_IN6_ADDR in6_addr;
|
---|
475 | char temp[30];
|
---|
476 | int pos;
|
---|
477 |
|
---|
478 | printf("%10s section: %d\n", title, scount);
|
---|
479 | for (count = 1; count <= scount; count++) {
|
---|
480 | if ((error = dns_analyze_rr(&rr, offset, msg, length)) < 0)
|
---|
481 | return error;
|
---|
482 |
|
---|
483 | printf("%2d: ", count);
|
---|
484 | s_show_dns_domain_name(msg, offset);
|
---|
485 | printf("\n type: %-4s, class: %2s, TTL: %2d, len: %3d, offset: 0x%02x\n",
|
---|
486 | dns_strtype(rr.type), dns_strclass(rr.class), rr.ttl, rr.rdlength, rr.rdata_offset);
|
---|
487 |
|
---|
488 | switch (rr.type) {
|
---|
489 | case DNS_TYPE_A:
|
---|
490 | memcpy((void*)&in4_addr, (void*)(msg + rr.rdata_offset), sizeof(in4_addr));
|
---|
491 | in4_addr = ntohl(in4_addr);
|
---|
492 | pos = str_ipv4addr(temp, sizeof(temp), &in4_addr, 0);
|
---|
493 | temp[pos] = '\0';
|
---|
494 | printf(" IPv4 addr: %s\n", temp);
|
---|
495 | break;
|
---|
496 | case DNS_TYPE_NS:
|
---|
497 | printf(" host: ");
|
---|
498 | s_show_dns_domain_name(msg, rr.rdata_offset);
|
---|
499 | putchar('\n');
|
---|
500 | break;
|
---|
501 | case DNS_TYPE_CNAME:
|
---|
502 | printf(" host: ");
|
---|
503 | s_show_dns_domain_name(msg, rr.rdata_offset);
|
---|
504 | putchar('\n');
|
---|
505 | break;
|
---|
506 | case DNS_TYPE_SOA:
|
---|
507 | show_dns_soa(msg, length, rr.rdata_offset);
|
---|
508 | break;
|
---|
509 | case DNS_TYPE_PTR:
|
---|
510 | printf(" PTR: ");
|
---|
511 | s_show_dns_domain_name(msg, rr.rdata_offset);
|
---|
512 | putchar('\n');
|
---|
513 | break;
|
---|
514 | case DNS_TYPE_AAAA:
|
---|
515 | memcpy((void*)&in6_addr, (void*)(msg + rr.rdata_offset), sizeof(in6_addr));
|
---|
516 | pos = str_ipv6addr(temp, sizeof(temp), &in6_addr, 0);
|
---|
517 | temp[pos] = '\0';
|
---|
518 | printf(" IPv6 addr: %s\n", temp);
|
---|
519 | break;
|
---|
520 | default:
|
---|
521 | printf(" data: ");
|
---|
522 | col = 32;
|
---|
523 | for (dcount = 0; dcount < rr.rdlength; dcount++) {
|
---|
524 | printf("%02x", *(msg + rr.rdata_offset + dcount));
|
---|
525 | if (--col == 0) {
|
---|
526 | printf("\n ");
|
---|
527 | col = 32;
|
---|
528 | }
|
---|
529 | }
|
---|
530 | putchar('\n');
|
---|
531 | break;
|
---|
532 | }
|
---|
533 | }
|
---|
534 |
|
---|
535 | return E_OK;
|
---|
536 | }
|
---|
537 | /*
|
---|
538 | * dns_info -- DNS æ
|
---|
539 | å ±ã®è¡¨ç¤º
|
---|
540 | */
|
---|
541 |
|
---|
542 | static void dns_info()
|
---|
543 | {
|
---|
544 | #if defined(SUPPORT_INET6)
|
---|
545 | T_IN6_ADDR in6_addr;
|
---|
546 | #endif
|
---|
547 | #if defined(SUPPORT_INET4)
|
---|
548 | T_IN4_ADDR in4_addr;
|
---|
549 | #endif
|
---|
550 | char temp[30];
|
---|
551 | int pos;
|
---|
552 |
|
---|
553 | #if defined(SUPPORT_INET6)
|
---|
554 |
|
---|
555 | printf("domain name: %s\n", dns_in6_get_dname());
|
---|
556 |
|
---|
557 | #else /* of #if defined(SUPPORT_INET6) */
|
---|
558 |
|
---|
559 | printf("domain name: %s\n", dns_in4_get_dname());
|
---|
560 |
|
---|
561 | #endif /* of #if defined(SUPPORT_INET6) */
|
---|
562 |
|
---|
563 | #if defined(SUPPORT_INET6)
|
---|
564 | dns_in6_get_addr(&in6_addr);
|
---|
565 | printf("IPv6 DNS server: ");
|
---|
566 | if (IN6_IS_ADDR_UNSPECIFIED(&in6_addr))
|
---|
567 | printf("not available.\n");
|
---|
568 | else {
|
---|
569 | pos = str_ipv6addr(temp, sizeof(temp), &in6_addr, 0);
|
---|
570 | temp[pos] = '\0';
|
---|
571 | printf("%s.\n", temp);
|
---|
572 | }
|
---|
573 | #endif /* of #if defined(SUPPORT_INET6) */
|
---|
574 |
|
---|
575 | #if defined(SUPPORT_INET4)
|
---|
576 | dns_in4_get_addr(&in4_addr);
|
---|
577 | printf("IPv4 DNS server: ");
|
---|
578 | if (in4_addr == IPV4_ADDRANY)
|
---|
579 | printf("not available.\n");
|
---|
580 | else {
|
---|
581 | pos = str_ipv4addr(temp, sizeof(temp), &in4_addr, 0);
|
---|
582 | temp[pos] = '\0';
|
---|
583 | printf("%s.\n", temp);
|
---|
584 | }
|
---|
585 | #endif /* of #if defined(SUPPORT_INET4) */
|
---|
586 | }
|
---|
587 |
|
---|
588 | /*
|
---|
589 | * name_lookup -- ãã¹ãåï¼IP ã¢ãã¬ã¹å¤æ
|
---|
590 | */
|
---|
591 |
|
---|
592 | const char *rcode_str[] = {
|
---|
593 | "no error",
|
---|
594 | "format error",
|
---|
595 | "server error",
|
---|
596 | "name error",
|
---|
597 | "not implement",
|
---|
598 | "refused",
|
---|
599 | };
|
---|
600 |
|
---|
601 | int usrcmd_dnsc(int argc, char **argv)
|
---|
602 | {
|
---|
603 | char *line = argv[1];
|
---|
604 | static char hostname[DBG_LINE_SIZE + 1];
|
---|
605 |
|
---|
606 | T_RSLV_DNS_MSG rslv;
|
---|
607 | ER_UINT length, offset;
|
---|
608 | ER error;
|
---|
609 | uint_t flags = 0;
|
---|
610 | uint8_t *msg;
|
---|
611 |
|
---|
612 | if (ntlibc_strcmp(line, "info") == 0) {
|
---|
613 | dns_info();
|
---|
614 | return 0;
|
---|
615 | }
|
---|
616 |
|
---|
617 | /* ã³ãã³ãã®ãªãã·ã§ã³ãè¨å®ããã*/
|
---|
618 | line = skip_blanks(resolv_options(&flags, line, DEFAULT_API_PROTO));
|
---|
619 | if ((flags & (DNS_LUP_FLAGS_PROTO_IPV6 | DNS_LUP_FLAGS_PROTO_IPV4)) == 0) {
|
---|
620 | printf("DNS server not available.\n");
|
---|
621 | return 0;
|
---|
622 | }
|
---|
623 |
|
---|
624 | /* ç
|
---|
625 | §ä¼ãããã¹ãåã»IP ã¢ãã¬ã¹ã解æããã*/
|
---|
626 | resolv_hoststr(&flags, hostname, sizeof(hostname), line);
|
---|
627 |
|
---|
628 | /* æ£å¼ãã§ãéå¼ãã§ããããã³ã«ä¸ã¯æ£å¼ããæå®ããã*/
|
---|
629 | flags |= DNS_LUP_OPCODE_FORWARD;
|
---|
630 |
|
---|
631 | /* IPv6 ã¢ãã¬ã¹ãã¾ã㯠IPv4 ã¢ãã¬ã¹ãæå®ãããæã¯ãç
|
---|
632 | §ä¼ã¿ã¤ã㯠PTR ã«è¨å®ããã*/
|
---|
633 | if (((flags & DNS_LUP_FLAGS_NAME_MASK) == DNS_LUP_FLAGS_NAME_IPV6) ||
|
---|
634 | ((flags & DNS_LUP_FLAGS_NAME_MASK) == DNS_LUP_FLAGS_NAME_IPV4))
|
---|
635 | flags = (flags & ~DNS_LUP_FLAGS_QTYPE_MASK) | DNS_LUP_FLAGS_QTYPE_PTR;
|
---|
636 |
|
---|
637 | if ((error = tget_mpf(MPF_RSLV_SRBUF, (void*)&msg, TMO_FEVR)) != E_OK) {
|
---|
638 | printf("get buffer error: %s.\n", itron_strerror(error));
|
---|
639 | return 0;
|
---|
640 | }
|
---|
641 |
|
---|
642 | if ((length = dns_lookup_host(flags | DNS_LUP_FLAGS_MSG, line, msg, DNS_UDP_MSG_LENGTH, &rslv)) < 0) {
|
---|
643 | //printf("error: %s.\n", itron_strerror(length));
|
---|
644 | goto err_ret;
|
---|
645 | }
|
---|
646 |
|
---|
647 | dly_tsk(1 * 1000);
|
---|
648 | printf("DNS header: flags: ");
|
---|
649 | if (rslv.dns_hdr.code & (DNS_QR_RESPONSE | DNS_AUTHORITATIVE |
|
---|
650 | DNS_TRUN_CATION | DNS_RECURSION_DESIRED | DNS_RECURSION_AVAILABLE)) {
|
---|
651 | printf((rslv.dns_hdr.code & DNS_QR_RESPONSE) ? "QR," : "");
|
---|
652 | printf((rslv.dns_hdr.code & DNS_AUTHORITATIVE) ? "AA," : "");
|
---|
653 | printf((rslv.dns_hdr.code & DNS_TRUN_CATION) ? "TC," : "");
|
---|
654 | printf((rslv.dns_hdr.code & DNS_RECURSION_DESIRED) ? "RD," : "");
|
---|
655 | printf((rslv.dns_hdr.code & DNS_RECURSION_AVAILABLE) ? "RA," : "");
|
---|
656 | printf(" ");
|
---|
657 | }
|
---|
658 | printf("opcode: ");
|
---|
659 | printf((rslv.dns_hdr.code & DNS_OPCODE_REVERSE) ? "RV" : "FW");
|
---|
660 | printf((rslv.dns_hdr.code & DNS_OPCODE_STATUS) ? ",ST" : "");
|
---|
661 | printf(", rcode: %s.\n",
|
---|
662 | (rslv.dns_hdr.code & DNS_RCODE_MASK) > DNS_RCODE_REFUSED
|
---|
663 | ? "6" : rcode_str[rslv.dns_hdr.code & DNS_RCODE_MASK]);
|
---|
664 |
|
---|
665 | if ((offset = show_dns_qdsection(msg, length, &rslv)) < 0) {
|
---|
666 | printf("msg error: %s.\n", itron_strerror(offset));
|
---|
667 | }
|
---|
668 | if ((offset = show_dns_section(msg, length, rslv.dns_hdr.ancount, rslv.an_offset, "answer")) < 0) {
|
---|
669 | printf("msg error: %s.\n", itron_strerror(offset));
|
---|
670 | }
|
---|
671 | if ((offset = show_dns_section(msg, length, rslv.dns_hdr.nscount, rslv.ns_offset, "authority")) < 0) {
|
---|
672 | printf("msg error: %s.\n", itron_strerror(offset));
|
---|
673 | }
|
---|
674 | if ((offset = show_dns_section(msg, length, rslv.dns_hdr.arcount, rslv.ar_offset, "additional")) < 0) {
|
---|
675 | printf("msg error: %s.\n", itron_strerror(offset));
|
---|
676 | }
|
---|
677 |
|
---|
678 | err_ret:
|
---|
679 | if ((error = rel_mpf(MPF_RSLV_SRBUF, msg)) != E_OK)
|
---|
680 | printf("release buffer error: %s.\n", itron_strerror(error));
|
---|
681 | return 0;
|
---|
682 | }
|
---|
683 |
|
---|
684 | int usrcmd_ntpc(int argc, char **argv)
|
---|
685 | {
|
---|
686 | ntp_cli_execute();
|
---|
687 | return 0;
|
---|
688 | }
|
---|