OpenWrt – Blame information for rev 1
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Rev | Author | Line No. | Line |
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1 | office | 1 | # Copyright (C) 2006-2013 OpenWrt.org |
2 | |||
3 | get_mac_binary() { |
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4 | local path="$1" |
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5 | local offset="$2" |
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6 | |||
7 | if [ -z "$path" ]; then |
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8 | echo "get_mac_binary: file $path not found!" >&2 |
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9 | return |
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10 | fi |
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11 | |||
12 | hexdump -v -n 6 -s $offset -e '5/1 "%02x:" 1/1 "%02x"' $path 2>/dev/null |
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13 | } |
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14 | |||
15 | find_mtd_chardev() { |
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16 | local INDEX=$(find_mtd_index "$1") |
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17 | local PREFIX=/dev/mtd |
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18 | |||
19 | [ -d /dev/mtd ] && PREFIX=/dev/mtd/ |
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20 | echo "${INDEX:+$PREFIX$INDEX}" |
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21 | } |
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22 | |||
23 | mtd_get_mac_ascii() { |
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24 | local mtdname="$1" |
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25 | local key="$2" |
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26 | local part |
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27 | local mac_dirty |
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28 | |||
29 | part=$(find_mtd_part "$mtdname") |
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30 | if [ -z "$part" ]; then |
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31 | echo "mtd_get_mac_ascii: partition $mtdname not found!" >&2 |
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32 | return |
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33 | fi |
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34 | |||
35 | mac_dirty=$(strings "$part" | sed -n 's/^'"$key"'=//p') |
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36 | |||
37 | # "canonicalize" mac |
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38 | [ -n "$mac_dirty" ] && macaddr_canonicalize "$mac_dirty" |
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39 | } |
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40 | |||
41 | mtd_get_mac_text() { |
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42 | local mtdname=$1 |
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43 | local offset=$2 |
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44 | local part |
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45 | local mac_dirty |
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46 | |||
47 | part=$(find_mtd_part "$mtdname") |
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48 | if [ -z "$part" ]; then |
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49 | echo "mtd_get_mac_text: partition $mtdname not found!" >&2 |
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50 | return |
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51 | fi |
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52 | |||
53 | if [ -z "$offset" ]; then |
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54 | echo "mtd_get_mac_text: offset missing!" >&2 |
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55 | return |
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56 | fi |
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57 | |||
58 | mac_dirty=$(dd if="$part" bs=1 skip="$offset" count=17 2>/dev/null) |
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59 | |||
60 | # "canonicalize" mac |
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61 | [ -n "$mac_dirty" ] && macaddr_canonicalize "$mac_dirty" |
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62 | } |
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63 | |||
64 | mtd_get_mac_binary() { |
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65 | local mtdname="$1" |
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66 | local offset="$2" |
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67 | local part |
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68 | |||
69 | part=$(find_mtd_part "$mtdname") |
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70 | get_mac_binary "$part" "$offset" |
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71 | } |
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72 | |||
73 | mtd_get_mac_binary_ubi() { |
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74 | local mtdname="$1" |
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75 | local offset="$2" |
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76 | |||
77 | . /lib/upgrade/nand.sh |
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78 | |||
79 | local ubidev=$(nand_find_ubi $CI_UBIPART) |
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80 | local part=$(nand_find_volume $ubidev $1) |
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81 | |||
82 | if [ -z "$part" ]; then |
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83 | echo "mtd_get_mac_binary: ubi volume $mtdname not found!" >&2 |
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84 | return |
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85 | fi |
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86 | |||
87 | hexdump -v -n 6 -s $offset -e '5/1 "%02x:" 1/1 "%02x"' /dev/$part 2>/dev/null |
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88 | } |
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89 | |||
90 | mtd_get_part_size() { |
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91 | local part_name=$1 |
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92 | local first dev size erasesize name |
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93 | while read dev size erasesize name; do |
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94 | name=${name#'"'}; name=${name%'"'} |
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95 | if [ "$name" = "$part_name" ]; then |
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96 | echo $((0x$size)) |
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97 | break |
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98 | fi |
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99 | done < /proc/mtd |
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100 | } |
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101 | |||
102 | macaddr_add() { |
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103 | local mac=$1 |
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104 | local val=$2 |
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105 | local oui=${mac%:*:*:*} |
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106 | local nic=${mac#*:*:*:} |
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107 | |||
108 | nic=$(printf "%06x" $((0x${nic//:/} + $val & 0xffffff)) | sed 's/^\(.\{2\}\)\(.\{2\}\)\(.\{2\}\)/\1:\2:\3/') |
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109 | echo $oui:$nic |
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110 | } |
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111 | |||
112 | macaddr_setbit_la() { |
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113 | local mac=$1 |
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114 | |||
115 | printf "%02x:%s" $((0x${mac%%:*} | 0x02)) ${mac#*:} |
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116 | } |
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117 | |||
118 | macaddr_2bin() { |
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119 | local mac=$1 |
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120 | |||
121 | echo -ne \\x${mac//:/\\x} |
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122 | } |
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123 | |||
124 | macaddr_canonicalize() { |
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125 | local mac="$1" |
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126 | local canon="" |
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127 | |||
128 | mac=$(echo -n $mac | tr -d \") |
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129 | [ ${#mac} -gt 17 ] && return |
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130 | [ -n "${mac//[a-fA-F0-9\.: -]/}" ] && return |
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131 | |||
132 | for octet in ${mac//[\.:-]/ }; do |
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133 | case "${#octet}" in |
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134 | 1) |
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135 | octet="0${octet}" |
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136 | ;; |
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137 | 2) |
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138 | ;; |
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139 | 4) |
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140 | octet="${octet:0:2} ${octet:2:2}" |
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141 | ;; |
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142 | 12) |
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143 | octet="${octet:0:2} ${octet:2:2} ${octet:4:2} ${octet:6:2} ${octet:8:2} ${octet:10:2}" |
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144 | ;; |
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145 | *) |
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146 | return |
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147 | ;; |
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148 | esac |
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149 | canon=${canon}${canon:+ }${octet} |
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150 | done |
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151 | |||
152 | [ ${#canon} -ne 17 ] && return |
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153 | |||
154 | printf "%02x:%02x:%02x:%02x:%02x:%02x" 0x${canon// / 0x} 2>/dev/null |
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155 | } |