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exclude reserved IPs with if_up

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git-svn-id: https://conky.svn.sourceforge.net/svnroot/conky/trunk/conky1@1113 7f574dfc-610e-0410-a909-a81674777703
This commit is contained in:
Brenden Matthews 2008-04-22 22:59:04 +00:00
parent 39a00f4cfa
commit fcb1260a39
1 changed files with 7 additions and 4 deletions
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11
src/linux.c
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@ -253,10 +253,13 @@ int interface_up(const char *dev)
/* get associated address on device */
addr = ((struct ifreq *) conf.ifc_buf)[k].ifr_ifru.ifru_addr;
/* if ip is 0.0.0.0 it is not up */
if((addr.sa_data[2] & 255) == 0 &&
(addr.sa_data[3] & 255) == 0 &&
(addr.sa_data[4] & 255) == 0 &&
(addr.sa_data[5] & 255) == 0) {
if(((addr.sa_data[2] & 255) == 0 && (addr.sa_data[3] & 255) == 0 &&
(addr.sa_data[4] & 255) == 0 && (addr.sa_data[5] & 255) == 0) ||
/* oh yeah also include IANA link local RFC3330
* http://www.faqs.org/rfcs/rfc3330.html
* http://www.iana.org/assignments/ipv4-address-space Notes [6]
* exclude 169.254.*.* how about 223.255 and 240.0??? */
((addr.sa_data[2] & 255) == 169 && (addr.sa_data[3] & 255) == 254)) {
break;
}
/* otherwise we are good */