diff options
Diffstat (limited to 'usr/local/www/ip_helper.js')
| -rwxr-xr-x | usr/local/www/ip_helper.js | 19 |
1 files changed, 19 insertions, 0 deletions
diff --git a/usr/local/www/ip_helper.js b/usr/local/www/ip_helper.js new file mode 100755 index 0000000..29e892f --- /dev/null +++ b/usr/local/www/ip_helper.js @@ -0,0 +1,19 @@ +function gen_bits(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 0; + if (adr[0] == 0 && adr[1] == 0 && adr[2] == 0 && adr[3] == 0) + return 0; + + if (adr[0] <= 127) + return 23; + else if (adr[0] <= 191) + return 15; + else + return 7; + } + else + return 0; +} + |
