Bugzilla – Attachment 1911 Details for
Bug 1561
Check for up on open tap device
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[patch]
/home/djm/sshd-tun-iff_up.diff
sshd-tun-iff_up.diff (text/plain), 698 bytes, created by
Damien Miller
on 2010-08-10 04:30:12 AEST
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/home/djm/sshd-tun-iff_up.diff
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Creator:
Damien Miller
Created:
2010-08-10 04:30:12 AEST
Size:
698 bytes
patch
obsolete
>Index: openbsd-compat/port-tun.c >=================================================================== >RCS file: /var/cvs/openssh/openbsd-compat/port-tun.c,v >retrieving revision 1.14 >diff -u -p -r1.14 port-tun.c >--- openbsd-compat/port-tun.c 19 May 2008 05:28:36 -0000 1.14 >+++ openbsd-compat/port-tun.c 9 Aug 2010 18:28:27 -0000 >@@ -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);
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