int mcp_tcp_client_connect (struct ppp_mcp_sock *peer)
{
unsigned int ifindex = 0;
if(peer->fd > 0)
{
close(peer->fd);
peer->fd = -1;
}
/* Make socket for the peer. */
peer->fd = sockunion_socket (&peer->su);
if (peer->fd < 0)
return -1;
/* If we can get socket for the peer, adjest TTL and make connection. */
sockopt_ttl (peer->su.sa.sa_family, peer->fd, 512);
sockopt_reuseaddr (peer->fd);
sockopt_reuseport (peer->fd);
PPPD_DEBUG_TCP("%s [Event] Connect start to %s fd %d",
peer->hostname, peer->hostname, peer->fd);
/* Connect to the remote peer. */
return sockunion_connect (peer->fd, &peer->su, htons(peer->port), ifindex);
}
/* BGP try to connect to the peer. */
int
bgp_connect (struct peer *peer)
{
unsigned int ifindex = 0;
/* Make socket for the peer. */
peer->fd = sockunion_socket (&peer->su);
if (peer->fd < 0)
return -1;
set_nonblocking (peer->fd);
/* Set socket send buffer size */
bgp_update_sock_send_buffer_size(peer->fd);
bgp_set_socket_ttl (peer, peer->fd);
sockopt_reuseaddr (peer->fd);
sockopt_reuseport (peer->fd);
#ifdef IPTOS_PREC_INTERNETCONTROL
if (bgpd_privs.change (ZPRIVS_RAISE))
zlog_err ("%s: could not raise privs", __func__);
if (sockunion_family (&peer->su) == AF_INET)
setsockopt_ipv4_tos (peer->fd, IPTOS_PREC_INTERNETCONTROL);
# ifdef HAVE_IPV6
else if (sockunion_family (&peer->su) == AF_INET6)
setsockopt_ipv6_tclass (peer->fd, IPTOS_PREC_INTERNETCONTROL);
# endif
if (bgpd_privs.change (ZPRIVS_LOWER))
zlog_err ("%s: could not lower privs", __func__);
#endif
if (peer->password)
bgp_md5_set_connect (peer->fd, &peer->su, peer->password);
/* Bind socket. */
bgp_bind (peer);
/* Update source bind. */
bgp_update_source (peer);
#ifdef HAVE_IPV6
if (peer->ifname)
ifindex = if_nametoindex (peer->ifname);
#endif /* HAVE_IPV6 */
if (BGP_DEBUG (events, EVENTS))
plog_debug (peer->log, "%s [Event] Connect start to %s fd %d",
peer->host, peer->host, peer->fd);
/* Connect to the remote peer. */
return sockunion_connect (peer->fd, &peer->su, htons (peer->port), ifindex);
}
/* BGP try to connect to the peer. */
int
bgp_connect (struct peer *peer)
{
unsigned int ifindex = 0;
/* Make socket for the peer. */
peer->fd = sockunion_socket (&peer->su);
if (peer->fd < 0)
return -1;
/* If we can get socket for the peer, adjest TTL and make connection. */
if (peer->sort == BGP_PEER_EBGP) {
sockopt_ttl (peer->su.sa.sa_family, peer->fd, peer->ttl);
if (peer->gtsm_hops)
sockopt_minttl (peer->su.sa.sa_family, peer->fd, MAXTTL + 1 - peer->gtsm_hops);
}
sockopt_reuseaddr (peer->fd);
sockopt_reuseport (peer->fd);
#ifdef IPTOS_PREC_INTERNETCONTROL
if (bgpd_privs.change (ZPRIVS_RAISE))
zlog_err ("%s: could not raise privs", __func__);
if (sockunion_family (&peer->su) == AF_INET)
setsockopt_ipv4_tos (peer->fd, IPTOS_PREC_INTERNETCONTROL);
# ifdef HAVE_IPV6
else if (sockunion_family (&peer->su) == AF_INET6)
setsockopt_ipv6_tclass (peer->fd, IPTOS_PREC_INTERNETCONTROL);
# endif
if (bgpd_privs.change (ZPRIVS_LOWER))
zlog_err ("%s: could not lower privs", __func__);
#endif
if (peer->password)
bgp_md5_set_connect (peer->fd, &peer->su, peer->password);
/* Bind socket. */
bgp_bind (peer);
/* Update source bind. */
bgp_update_source (peer);
#ifdef HAVE_IPV6
if (peer->ifname)
ifindex = if_nametoindex (peer->ifname);
#endif /* HAVE_IPV6 */
if (BGP_DEBUG (events, EVENTS))
plog_debug (peer->log, "%s [Event] Connect start to %s fd %d",
peer->host, peer->host, peer->fd);
/* Connect to the remote peer. */
return sockunion_connect (peer->fd, &peer->su, htons (peer->port), ifindex);
}
/* BGP try to connect to the peer. */
int
bgp_connect (struct peer *peer)
{
unsigned int ifindex = 0;
/* Make socket for the peer. */
peer->fd = sockunion_socket (&peer->su);
if (peer->fd < 0)
return -1;
/* If we can get socket for the peer, adjest TTL and make connection. */
if (peer_sort (peer) == BGP_PEER_EBGP)
sockopt_ttl (peer->su.sa.sa_family, peer->fd, peer->ttl);
sockopt_reuseaddr (peer->fd);
sockopt_reuseport (peer->fd);
/* Bind socket. */
bgp_bind (peer);
/* Update source bind. */
bgp_update_source (peer);
#ifdef HAVE_IPV6
if (peer->ifname)
ifindex = if_nametoindex (peer->ifname);
#endif /* HAVE_IPV6 */
if (BGP_DEBUG (events, EVENTS))
plog_info (peer->log, "%s [Event] Connect start to %s fd %d",
peer->host, peer->host, peer->fd);
#ifdef HAVE_TCP_SIGNATURE
if (CHECK_FLAG (peer->flags, PEER_FLAG_PASSWORD))
bgp_tcpsig_set (peer->fd, peer);
#endif /* HAVE_TCP_SIGNATURE */
/* Connect to the remote peer. */
return sockunion_connect (peer->fd, &peer->su, htons (peer->port), ifindex);
}
int ppp_client_connection_mcp (struct thread *thread)
{
struct ppp_mcp_sock *peer;
//struct listnode *nn, *nm;
unsigned int ifindex = 0;
int ret;
peer = THREAD_ARG (thread);
peer->t_connect_admin = NULL;
MCP_TIMER_ON (peer->t_connect_admin, ppp_client_connection_mcp, peer, MCP_TRANS_TCP_RECONNECT_ADMIN_TIME);
if(peer->connect_status == CLIENT_CONNECT_SERVER_OK)
return 0;
if(peer->fd > 0) {
close(peer->fd);
peer->fd = -1;
}
peer->fd = sockunion_socket (&peer->su);
if (peer->fd < 0) {
PPPD_DEBUG_TCP("ppp client connect server peer:%s error", peer->hostname);
return -1;
}
sockopt_reuseaddr (peer->fd);
sockopt_reuseport (peer->fd);
ret = sockunion_connect(peer->fd, &peer->su, htons(peer->port), ifindex);
if(ret == connect_error) {
PPPD_DEBUG_TCP("client connect server err");
return -1;
}
MCP_WRITE_ON (peer->t_check, ppp_tcp_client_connect_check, peer, peer->fd);
return 0;
}
/* active peer socket setup */
int pim_msdp_sock_connect(struct pim_msdp_peer *mp)
{
int rc;
if (PIM_DEBUG_MSDP_INTERNAL) {
zlog_debug("MSDP peer %s attempt connect%s", mp->key_str,
mp->fd < 0 ? "" : "(dup)");
}
/* if we have an existing connection we need to kill that one
* with this one */
if (mp->fd >= 0) {
if (PIM_DEBUG_MSDP_EVENTS) {
zlog_notice(
"msdp duplicate connect to %s nuke old connection",
mp->key_str);
}
pim_msdp_peer_stop_tcp_conn(mp, false /* chg_state */);
}
/* Make socket for the peer. */
mp->fd = sockunion_socket(&mp->su_peer);
if (mp->fd < 0) {
flog_err_sys(LIB_ERR_SOCKET,
"pim_msdp_socket socket failure: %s",
safe_strerror(errno));
return -1;
}
if (mp->pim->vrf_id != VRF_DEFAULT) {
struct interface *ifp =
if_lookup_by_name(mp->pim->vrf->name, mp->pim->vrf_id);
if (!ifp) {
flog_err(LIB_ERR_INTERFACE,
"%s: Unable to lookup vrf interface: %s",
__PRETTY_FUNCTION__, mp->pim->vrf->name);
return -1;
}
if (pim_socket_bind(mp->fd, ifp)) {
flog_err_sys(LIB_ERR_SOCKET,
"%s: Unable to bind to socket: %s",
__PRETTY_FUNCTION__, safe_strerror(errno));
close(mp->fd);
mp->fd = -1;
return -1;
}
}
set_nonblocking(mp->fd);
/* Set socket send buffer size */
pim_msdp_update_sock_send_buffer_size(mp->fd);
sockopt_reuseaddr(mp->fd);
sockopt_reuseport(mp->fd);
/* source bind */
rc = sockunion_bind(mp->fd, &mp->su_local, 0, &mp->su_local);
if (rc < 0) {
flog_err_sys(LIB_ERR_SOCKET,
"pim_msdp_socket connect bind failure: %s",
safe_strerror(errno));
close(mp->fd);
mp->fd = -1;
return rc;
}
/* Connect to the remote mp. */
return (sockunion_connect(mp->fd, &mp->su_peer,
htons(PIM_MSDP_TCP_PORT), 0));
}
/* BGP try to connect to the peer. */
int bgp_connect (struct peer *peer)
{
printf("\n BGP CONNECT: I am in BGP Connect\n");
unsigned int ifindex = 0;
/*setting up TLS for a second*/
printf("\n BGP CONNECT: I am just about to initialise SSL\n");
ssl_init(); //initialise the library, method, contact of ssl session, returns nothing
if(BGPTLS.psCTX==NULL)
{
printf("\n BGP CONNECT: There is no entry in the .psCTX pointer \n");
}
else
{
printf("\n BGP CONNECT: There is an entry in the .psCTX pointer, it is %i \n", BGPTLS_sess_server.psCTX);
}
printf("\n BGP CONNECT: There is an entry in the .psCTX pointer: ");
printf("%i \n", BGPTLS.psCTX);
/*if (SSL_CTX_use_certificate_chain_file(BGPTLS_sess_server.psCTX,"/usr/home/dugald/subcert.pem")!=1)
{
printf("Error loading certificate from file");
}
else
{
printf("Certificate has loaded correctly");
} */
/* Make socket for the peer. */
printf("BGP CONNECT: Here's sockets");
peer->fd = sockunion_socket (&peer->su);
SSL_connect(BGPTLS->ssl);
if (peer->fd < 0)
return -1;
/* If we can get socket for the peer, adjest TTL and make connection. */
if (peer->sort == BGP_PEER_EBGP)
{
sockopt_ttl (peer->su.sa.sa_family, peer->fd, peer->ttl);
if (peer->gtsm_hops)
sockopt_minttl (peer->su.sa.sa_family, peer->fd, MAXTTL + 1 - peer->gtsm_hops);
}
sockopt_reuseaddr (peer->fd);
sockopt_reuseport (peer->fd);
#ifdef IPTOS_PREC_INTERNETCONTROL
if (bgpd_privs.change (ZPRIVS_RAISE))
zlog_err ("%s: could not raise privs", __func__);
if (sockunion_family (&peer->su) == AF_INET)
setsockopt_ipv4_tos (peer->fd, IPTOS_PREC_INTERNETCONTROL);
# ifdef HAVE_IPV6
else if (sockunion_family (&peer->su) == AF_INET6)
setsockopt_ipv6_tclass (peer->fd, IPTOS_PREC_INTERNETCONTROL);
# endif
if (bgpd_privs.change (ZPRIVS_LOWER))
zlog_err ("%s: could not lower privs", __func__);
#endif
if (peer->password)
bgp_md5_set_connect (peer->fd, &peer->su, peer->password);
/* Bind socket. */
//bgp_bind (peer);
/* Update source bind. */
//bgp_update_source (peer);
#ifdef HAVE_IPV6
if (peer->ifname)
ifindex = if_nametoindex (peer->ifname);
#endif /* HAVE_IPV6 */
if (BGP_DEBUG (events, EVENTS))
plog_debug (peer->log, "%s [Event] Connect start to %s fd %d", peer->host, peer->host, peer->fd);
/* Connect to the remote peer. */
return sockunion_connect (peer->fd, &peer->su, htons (peer->port), ifindex);
}