diff options
| author | mischief <mischief@offblast.org> | 2014-12-08 17:27:40 -0800 |
|---|---|---|
| committer | mischief <mischief@offblast.org> | 2014-12-08 17:27:40 -0800 |
| commit | ee2d30984f50e123d5eda882890c357543a297ca (patch) | |
| tree | 28ba398457070d4804ac6298a985aef5df04d467 | |
| parent | 469a10f1d95ef94c00fe1a78466e63be130fed1f (diff) | |
| download | plan9front-ee2d30984f50e123d5eda882890c357543a297ca.tar.xz | |
ip/ipconfig: treat /32 mask as /0
some dhcp servers send a mask of 255.255.255.255 to indicate the gateway is directly routeable.
thanks to david du colombier for this patch.
| -rw-r--r-- | sys/src/cmd/ip/ipconfig/main.c | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/sys/src/cmd/ip/ipconfig/main.c b/sys/src/cmd/ip/ipconfig/main.c index 6d61db431..bbd718ca4 100644 --- a/sys/src/cmd/ip/ipconfig/main.c +++ b/sys/src/cmd/ip/ipconfig/main.c @@ -1233,6 +1233,8 @@ dhcprecv(void) if(!validip(conf.mask) || !Oflag){ if(!optgetaddr(bp->optdata, OBmask, conf.mask)) ipmove(conf.mask, IPnoaddr); + if(ipcmp(conf.mask, IPv4bcast) == 0) + ipmove(conf.mask, IPnoaddr); } DEBUG("ipaddr=%I ipmask=%M ", conf.laddr, conf.mask); |