| lh | 9ed821d | 2023-04-07 01:36:19 -0700 | [diff] [blame] | 1 | #include <netlink/route/link/ipvti.h> |
| 2 | #include <netlink-private/netlink.h> |
| 3 | |
| 4 | int main(int argc, char *argv[]) |
| 5 | { |
| 6 | struct nl_cache *link_cache; |
| 7 | struct rtnl_link *link; |
| 8 | struct in_addr addr; |
| 9 | struct nl_sock *sk; |
| 10 | int err, if_index; |
| 11 | |
| 12 | sk = nl_socket_alloc(); |
| 13 | if ((err = nl_connect(sk, NETLINK_ROUTE)) < 0) { |
| 14 | nl_perror(err, "Unable to connect socket"); |
| 15 | return err; |
| 16 | } |
| 17 | |
| 18 | err = rtnl_link_alloc_cache(sk, AF_UNSPEC, &link_cache); |
| 19 | if ( err < 0) { |
| 20 | nl_perror(err, "Unable to allocate cache"); |
| 21 | return err; |
| 22 | } |
| 23 | |
| 24 | if_index = rtnl_link_name2i(link_cache, "ens33"); |
| 25 | if (!if_index) { |
| 26 | fprintf(stderr, "Unable to lookup ens33"); |
| 27 | return -1; |
| 28 | } |
| 29 | |
| 30 | link = rtnl_link_ipvti_alloc(); |
| 31 | if(!link) { |
| 32 | nl_perror(err, "Unable to allocate link"); |
| 33 | return -1; |
| 34 | |
| 35 | } |
| 36 | rtnl_link_set_name(link, "ipvti-tun"); |
| 37 | rtnl_link_ipvti_set_link(link, if_index); |
| 38 | |
| 39 | inet_pton(AF_INET, "192.168.254.12", &addr.s_addr); |
| 40 | rtnl_link_ipvti_set_local(link, addr.s_addr); |
| 41 | |
| 42 | inet_pton(AF_INET, "192.168.254.13", &addr.s_addr); |
| 43 | rtnl_link_ipvti_set_remote(link, addr.s_addr); |
| 44 | |
| 45 | err = rtnl_link_add(sk, link, NLM_F_CREATE); |
| 46 | if (err < 0) { |
| 47 | nl_perror(err, "Unable to add link"); |
| 48 | return err; |
| 49 | } |
| 50 | |
| 51 | rtnl_link_put(link); |
| 52 | nl_close(sk); |
| 53 | |
| 54 | return 0; |
| 55 | } |