diff options
Diffstat (limited to 'usr/local/www/ip_helper.js')
| -rwxr-xr-x | usr/local/www/ip_helper.js | 24 |
1 files changed, 21 insertions, 3 deletions
diff --git a/usr/local/www/ip_helper.js b/usr/local/www/ip_helper.js index 29e892f..8473cb2 100755 --- a/usr/local/www/ip_helper.js +++ b/usr/local/www/ip_helper.js @@ -1,4 +1,23 @@ -function gen_bits(ipaddr) { +function gen_bits_lan(ipaddr) { + if (ipaddr.search(/^\d{1,3}\.\d{1,3}\.\d{1,3}\.\d{1,3}$/) != -1) { + var adr = ipaddr.split(/\./); + if (adr[0] > 255 || adr[1] > 255 || adr[2] > 255 || adr[3] > 255) + return ""; + if (adr[0] == 0 && adr[1] == 0 && adr[2] == 0 && adr[3] == 0) + return ""; + + if (adr[0] <= 127) + return "8"; + else if (adr[0] <= 191) + return "16"; + else + return "24"; + } + else + return ""; +} + +function gen_bits_opt(ipaddr) { if (ipaddr.search(/^\d{1,3}\.\d{1,3}\.\d{1,3}\.\d{1,3}$/) != -1) { var adr = ipaddr.split(/\./); if (adr[0] > 255 || adr[1] > 255 || adr[2] > 255 || adr[3] > 255) @@ -15,5 +34,4 @@ function gen_bits(ipaddr) { } else return 0; -} - +}
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