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- (djm) bz#1561: don't bother setting IFF_UP on tun(4) device if it is 

already set. Makes FreeBSD user openable tunnels useful; patch from
   richard.burakowski+ossh AT mrburak.net, ok dtucker@
This commit is contained in:
Damien Miller 2010-08-10 12:47:40 +10:00
parent 792010bafd
commit 2c4b13aa32
2 changed files with 10 additions and 3 deletions
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5
ChangeLog
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@ -1,3 +1,8 @@
20100809
- (djm) bz#1561: don't bother setting IFF_UP on tun(4) device if it is
already set. Makes FreeBSD user openable tunnels useful; patch from
richard.burakowski+ossh AT mrburak.net, ok dtucker@
20100809
- OpenBSD CVS Sync
- djm@cvs.openbsd.org 2010/08/08 16:26:42

8
openbsd-compat/port-tun.c
View File

@ -173,9 +173,11 @@ sys_tun_open(int tun, int mode)
if (ioctl(sock, SIOCGIFFLAGS, &ifr) == -1)
goto failed;
ifr.ifr_flags |= IFF_UP;
if (ioctl(sock, SIOCSIFFLAGS, &ifr) == -1)
goto failed;
if ((ifr.ifr_flags & IFF_UP) == 0) {
ifr.ifr_flags |= IFF_UP;
if (ioctl(sock, SIOCSIFFLAGS, &ifr) == -1)
goto failed;
}
close(sock);
return (fd);