void add_to_secrets_list(secrets_list_t *sl, const char* elem)
{
if(sl && elem) {
sl->secrets = (char**)turn_realloc(sl->secrets,0,(sizeof(char*)*(sl->sz+1)));
sl->secrets[sl->sz] = turn_strdup(elem);
sl->sz += 1;
}
}
void tcp_data_connect(app_ur_session *elem, u32bits cid)
{
int clnet_fd;
int connect_cycle = 0;
again:
clnet_fd = socket(elem->pinfo.remote_addr.ss.sa_family, CLIENT_STREAM_SOCKET_TYPE, CLIENT_STREAM_SOCKET_PROTOCOL);
if (clnet_fd < 0) {
perror("socket");
exit(-1);
}
if (sock_bind_to_device(clnet_fd, client_ifname) < 0) {
TURN_LOG_FUNC(TURN_LOG_LEVEL_INFO,
"Cannot bind client socket to device %s\n", client_ifname);
}
set_sock_buf_size(clnet_fd, (UR_CLIENT_SOCK_BUF_SIZE<<2));
++elem->pinfo.tcp_conn_number;
int i = (int)(elem->pinfo.tcp_conn_number-1);
elem->pinfo.tcp_conn=(app_tcp_conn_info**)turn_realloc(elem->pinfo.tcp_conn,0,elem->pinfo.tcp_conn_number*sizeof(app_tcp_conn_info*));
elem->pinfo.tcp_conn[i]=(app_tcp_conn_info*)turn_malloc(sizeof(app_tcp_conn_info));
ns_bzero(elem->pinfo.tcp_conn[i],sizeof(app_tcp_conn_info));
elem->pinfo.tcp_conn[i]->tcp_data_fd = clnet_fd;
elem->pinfo.tcp_conn[i]->cid = cid;
addr_cpy(&(elem->pinfo.tcp_conn[i]->tcp_data_local_addr),&(elem->pinfo.local_addr));
addr_set_port(&(elem->pinfo.tcp_conn[i]->tcp_data_local_addr),0);
addr_bind(clnet_fd, &(elem->pinfo.tcp_conn[i]->tcp_data_local_addr), 1, 1, TCP_SOCKET);
addr_get_from_sock(clnet_fd,&(elem->pinfo.tcp_conn[i]->tcp_data_local_addr));
{
int cycle = 0;
while(cycle++<1024) {
int err = 0;
if (addr_connect(clnet_fd, &(elem->pinfo.remote_addr),&err) < 0) {
if(err == EADDRINUSE) {
socket_closesocket(clnet_fd);
clnet_fd = socket(elem->pinfo.remote_addr.ss.sa_family, CLIENT_STREAM_SOCKET_TYPE, CLIENT_STREAM_SOCKET_PROTOCOL);
if (clnet_fd < 0) {
perror("socket");
exit(-1);
}
if (sock_bind_to_device(clnet_fd, client_ifname) < 0) {
TURN_LOG_FUNC(TURN_LOG_LEVEL_INFO,
"Cannot bind client socket to device %s\n", client_ifname);
}
set_sock_buf_size(clnet_fd, UR_CLIENT_SOCK_BUF_SIZE<<2);
elem->pinfo.tcp_conn[i]->tcp_data_fd = clnet_fd;
addr_cpy(&(elem->pinfo.tcp_conn[i]->tcp_data_local_addr),&(elem->pinfo.local_addr));
addr_set_port(&(elem->pinfo.tcp_conn[i]->tcp_data_local_addr),0);
addr_bind(clnet_fd, &(elem->pinfo.tcp_conn[i]->tcp_data_local_addr),1,1,TCP_SOCKET);
addr_get_from_sock(clnet_fd,&(elem->pinfo.tcp_conn[i]->tcp_data_local_addr));
continue;
} else {
perror("connect");
TURN_LOG_FUNC(TURN_LOG_LEVEL_INFO,
"%s: cannot connect to remote addr\n", __FUNCTION__);
exit(-1);
}
} else {
break;
}
}
}
if(use_secure) {
int try_again = 0;
elem->pinfo.tcp_conn[i]->tcp_data_ssl = tls_connect(elem->pinfo.tcp_conn[i]->tcp_data_fd, &(elem->pinfo.remote_addr),&try_again, connect_cycle++);
if(!(elem->pinfo.tcp_conn[i]->tcp_data_ssl)) {
if(try_again) {
--elem->pinfo.tcp_conn_number;
goto again;
}
TURN_LOG_FUNC(TURN_LOG_LEVEL_INFO,
"%s: cannot SSL connect to remote addr\n", __FUNCTION__);
exit(-1);
}
}
if(turn_tcp_connection_bind(clnet_verbose, &(elem->pinfo), elem->pinfo.tcp_conn[i],0)<0) {
TURN_LOG_FUNC(TURN_LOG_LEVEL_INFO,
"%s: cannot BIND to tcp connection\n", __FUNCTION__);
} else {
socket_set_nonblocking(clnet_fd);
struct event* ev = event_new(client_event_base,clnet_fd,
EV_READ|EV_PERSIST,client_input_handler,
elem);
event_add(ev,NULL);
elem->input_tcp_data_ev = ev;
addr_debug_print(clnet_verbose, &(elem->pinfo.remote_addr), "TCP data network connected to");
}
}