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set IFF_RUNNING and fail if tun interfaces cannot be brought up.

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This commit is contained in:
Nikos Mavrogiannopoulos
2014-01-30 04:54:26 +01:00
parent 326bf7143a
commit f6244539b9
1 changed files with 4 additions and 2 deletions
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6
src/tun.c
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@@ -94,13 +94,14 @@ static int set_network_info( main_server_st* s, struct proc_st* proc)
/* bring interface up */
memset(&ifr, 0, sizeof(ifr));
ifr.ifr_addr.sa_family = AF_INET;
ifr.ifr_flags |= IFF_UP;
ifr.ifr_flags |= IFF_UP | IFF_RUNNING;
snprintf(ifr.ifr_name, IFNAMSIZ, "%s", proc->tun_lease.name);
ret = ioctl(fd, SIOCSIFFLAGS, &ifr);
if (ret != 0) {
mslog(s, NULL, LOG_ERR, "%s: Could not bring up IPv4 interface.\n", proc->tun_lease.name);
ret = -1;
goto cleanup;
}
close(fd);
@@ -148,7 +149,7 @@ static int set_network_info( main_server_st* s, struct proc_st* proc)
memset(&ifr, 0, sizeof(ifr));
ifr.ifr_addr.sa_family = AF_INET6;
ifr.ifr_flags |= IFF_UP;
ifr.ifr_flags |= IFF_UP | IFF_RUNNING;
snprintf(ifr.ifr_name, IFNAMSIZ, "%s", proc->tun_lease.name);
ret = ioctl(fd, SIOCSIFFLAGS, &ifr);
@@ -156,6 +157,7 @@ static int set_network_info( main_server_st* s, struct proc_st* proc)
e = errno;
mslog(s, NULL, LOG_ERR, "%s: Could not bring up IPv6 interface: %s\n", proc->tun_lease.name, strerror(e));
ret = -1;
goto cleanup;
}
close(fd);