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https://github.com/SoftEtherVPN/SoftEtherVPN.git
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Cedar/VLanUnix: assign virtual interface to softether group
Interface grouping is available on FreeBSD and OpenBSD. This will allow you to enumerate only SoftEther virtual interfaces or exclude SoftEther virtual interfaces, and be helpful when making custom scripts to start DHCP client when virtual interface become up (=VPN connection established) for example. Usage examples as follows. List all interfaces' names available on the system: ``` $ ifconfig -l vtnet0 lo0 vpn_client0 vpn_client1 vpn_client2 ``` Display a list of SoftEther virtual interfaces: ``` $ ifconfig -g softether vpn_client0 vpn_client1 vpn_client2 ``` Display details about SoftEther virtual interfaces that are up: ``` $ ifconfig -a -u -g softether vpn_client0: flags=8843<UP,BROADCAST,RUNNING,SIMPLEX,MULTICAST> metric 0 mtu 1500 description: SoftEther Virtual Network Adapter options=80000<LINKSTATE> ether 5e:71:fa:f8:91:4a hwaddr 58:9c:fc:10:34:2a groups: tap softether media: Ethernet autoselect status: active nd6 options=29<PERFORMNUD,IFDISABLED,AUTO_LINKLOCAL> Opened by PID 1445 ``` Display details about interfaces except for SoftEther virtual interfaces: ``` $ ifconfig -a -G softether vtnet0: flags=8863<UP,BROADCAST,RUNNING,SIMPLEX,MULTICAST> metric 0 mtu 1500 options=80028<VLAN_MTU,JUMBO_MTU,LINKSTATE> ether 58:9c:fc:00:f0:23 inet6 fe80::5a9c:fcff:fe00:f023%vtnet0 prefixlen 64 scopeid 0x1 inet 192.168.96.7 netmask 0xffffff00 broadcast 192.168.96.255 media: Ethernet autoselect (10Gbase-T <full-duplex>) status: active nd6 options=23<PERFORMNUD,ACCEPT_RTADV,AUTO_LINKLOCAL> lo0: flags=8049<UP,LOOPBACK,RUNNING,MULTICAST> metric 0 mtu 16384 options=680003<RXCSUM,TXCSUM,LINKSTATE,RXCSUM_IPV6,TXCSUM_IPV6> inet6 ::1 prefixlen 128 inet6 fe80::1%lo0 prefixlen 64 scopeid 0x2 inet 127.0.0.1 netmask 0xff000000 groups: lo nd6 options=23<PERFORMNUD,ACCEPT_RTADV,AUTO_LINKLOCAL> ```
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@ -485,6 +485,9 @@ int UnixCreateTapDeviceEx(char *name, char *prefix, UCHAR *mac_address, bool cre
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}
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#endif
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// Set interface group
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UnixSetIfGroup(s, tap_name, CEDAR_PRODUCT_STR);
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if (create_up)
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{
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Zero(&ifr, sizeof(ifr));
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@ -622,6 +625,24 @@ void UnixDestroyClientTapDevice(char *name)
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#endif // UNIX_BSD
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}
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void UnixSetIfGroup(int fd, const char *name, const char *group_name)
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{
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#ifdef SIOCAIFGROUP
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struct ifgroupreq ifgr;
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char *tmp;
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tmp = CopyStr((char *)group_name);
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StrLower(tmp);
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Zero(&ifgr, sizeof(ifgr));
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StrCpy(ifgr.ifgr_name, sizeof(ifgr.ifgr_name), (char *) name);
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StrCpy(ifgr.ifgr_group, sizeof(ifgr.ifgr_group), tmp);
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ioctl(fd, SIOCAIFGROUP, &ifgr);
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Free(tmp);
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#endif
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}
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#else // NO_VLAN
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void UnixCloseDevice(int fd)
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@ -636,6 +657,10 @@ void UnixDestroyTapDeviceEx(char *name, char *prefix)
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{
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}
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void UnixSetIfGroup()
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{
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}
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int UnixCreateTapDeviceEx(char *name, char *prefix, UCHAR *mac_address, bool create_up)
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{
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return -1;
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@ -62,6 +62,7 @@ int UnixCreateTapDeviceEx(char *name, char *prefix, UCHAR *mac_address, bool cre
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void UnixCloseTapDevice(int fd);
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void UnixDestroyBridgeTapDevice(char *name);
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void UnixDestroyClientTapDevice(char *name);
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void UnixSetIfGroup(int fd, const char *name, const char *group_name);
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void UnixVLanInit();
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void UnixVLanFree();
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bool UnixVLanCreate(char *name, UCHAR *mac_address, bool create_up);
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