root/usr/local/www/ip_helper.js @ e2aa3617
| 1 | b9e255dd | Bill Marquette | function gen_bits(ipaddr) { |
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| 2 | if (ipaddr.search(/^\d{1,3}\.\d{1,3}\.\d{1,3}\.\d{1,3}$/) != -1) { |
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| 3 | var adr = ipaddr.split(/\./); |
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| 4 | if (adr[0] > 255 || adr[1] > 255 || adr[2] > 255 || adr[3] > 255) |
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| 5 | return 0; |
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| 6 | if (adr[0] == 0 && adr[1] == 0 && adr[2] == 0 && adr[3] == 0) |
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| 7 | return 0; |
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| 8 | |||
| 9 | if (adr[0] <= 127) |
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| 10 | return 23; |
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| 11 | else if (adr[0] <= 191) |
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| 12 | return 15; |
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| 13 | else
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| 14 | return 7; |
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| 15 | }
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| 16 | else
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| 17 | return 0; |
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| 18 | }
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