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Set TUNSIFHEAD on the tun device if supported

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This commit is contained in:
Brian Chu
2015-04-04 10:28:10 +00:00
committed by Nikos Mavrogiannopoulos
parent 76eceb579b
commit e4149e3a5b
1 changed files with 14 additions and 0 deletions
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14
src/tun.c
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@@ -475,6 +475,20 @@ int open_tun(main_server_st * s, struct proc_st *proc)
strlcpy(proc->tun_lease.name, devname(st.st_rdev, S_IFCHR), sizeof(proc->tun_lease.name));
}
#ifdef TUNSIFHEAD
{
int i = 1;
ret = ioctl(tunfd, TUNSIFHEAD, &i);
if (ret < 0) {
e = errno;
mslog(s, NULL, LOG_ERR, "%s: TUNSIFHEAD: %s\n",
proc->tun_lease.name, strerror(e));
goto fail;
}
}
#endif /* TUNSIFHEAD */
set_cloexec_flag(tunfd, 1);
#endif