along with this program; if not, write to the Free Software
Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
- $Id: net.c,v 1.35.4.16 2000/06/30 11:45:14 guus Exp $
+ $Id: net.c,v 1.35.4.21 2000/08/07 14:52:15 guus Exp $
*/
#include "config.h"
syslog(LOG_ERR, _("Sending packet of %d bytes to %s (%s)"),
ntohs(rp.len), cl->vpn_hostname, cl->real_hostname);
+ total_socket_out += r;
+
+ cl->want_ping = 1;
+
+ if((cl->flags | myself->flags) & TCPONLY)
+ return send_tcppacket(cl, packet, ntohs(rp.len));
+
if((r = send(cl->socket, (char*)&rp, ntohs(rp.len), 0)) < 0)
{
syslog(LOG_ERR, _("Error sending packet to %s (%s): %m"),
cl->vpn_hostname, cl->real_hostname);
return -1;
}
-
- total_socket_out += r;
-
- cl->want_ping = 1;
cp
return 0;
}
cl->meta_socket = socket(AF_INET, SOCK_STREAM, IPPROTO_TCP);
if(cl->meta_socket == -1)
{
- syslog(LOG_ERR, _("Creating socket failed: %m"));
+ syslog(LOG_ERR, _("Creating socket for %s port %d failed: %m"),
+ cl->real_hostname, cl->port);
return -1;
}
flags = fcntl(cl->meta_socket, F_GETFL);
if(fcntl(cl->meta_socket, F_SETFL, flags | O_NONBLOCK) < 0)
{
- syslog(LOG_ERR, _("fcntl: %m"));
+ syslog(LOG_ERR, _("fcntl for %s port %d: %m"),
+ cl->real_hostname, cl->port);
return -1;
}
- syslog(LOG_INFO, _("Connected to %s port %hd"),
+ if(debug_lvl > 0)
+ syslog(LOG_INFO, _("Connected to %s port %hd"),
cl->real_hostname, cl->port);
cp
return 0;
an authentication sequence during which
we will do just that.
*/
-int setup_outgoing_connection(ip_t ip)
+int setup_outgoing_connection(char *hostname)
{
conn_list_t *ncn;
+ struct hostent *h;
cp
+ if(!(h = gethostbyname(hostname)))
+ {
+ syslog(LOG_ERR, _("Error looking up `%s': %m"), hostname);
+ return -1;
+ }
+
ncn = new_conn_list();
- ncn->real_ip = ip;
- ncn->real_hostname = hostlookup(htonl(ip));
+ ncn->real_ip = ntohl(*((ip_t*)(h->h_addr_list[0])));
+ ncn->real_hostname = hostlookup(htonl(ncn->real_ip));
if(setup_outgoing_meta_socket(ncn) < 0)
{
if(cfg->data.val == stupid_true)
myself->flags |= EXPORTINDIRECTDATA;
+ if(cfg = get_config_val(tcponly))
+ if(cfg->data.val == stupid_true)
+ myself->flags |= TCPONLY;
+
if((myself->meta_socket = setup_listen_meta_socket(myself->port)) < 0)
{
syslog(LOG_ERR, _("Unable to set up a listening socket"));
while(cfg)
{
- if(!setup_outgoing_connection(cfg->data.ip->ip)) /* function returns 0 when there are no problems */
+ if(!setup_outgoing_connection(cfg->data.ptr)) /* function returns 0 when there are no problems */
{
signal(SIGALRM, SIG_IGN);
return;
while(cfg)
{
- if(!setup_outgoing_connection(cfg->data.ip->ip)) /* function returns 0 when there are no problems */
+ if(!setup_outgoing_connection(cfg->data.ptr)) /* function returns 0 when there are no problems */
return 0;
cfg = get_next_config_val(upstreamip, upstreamindex++); /* Or else we try the next ConnectTo line */
}
flags = fcntl(nfd, F_GETFL);
if(fcntl(nfd, F_SETFL, flags | O_NONBLOCK) < 0)
{
- syslog(LOG_ERR, _("This is a bug: %s:%d: %d:%m"), __FILE__, __LINE__, nfd);
+ syslog(LOG_ERR, _("This is a bug: %s:%d: %d:%m %s (%s)"), __FILE__, __LINE__, nfd,
+ cl->vpn_hostname, cl->real_hostname);
return -1;
}
cp
if(getsockopt(cl->socket, SOL_SOCKET, SO_ERROR, &x, &l) < 0)
{
- syslog(LOG_ERR, _("This is a bug: %s:%d: %d:%m"), __FILE__, __LINE__, cl->socket);
+ syslog(LOG_ERR, _("This is a bug: %s:%d: %d:%m %s (%s)"), __FILE__, __LINE__, cl->socket,
+ cl->vpn_hostname, cl->real_hostname);
return -1;
}
if(x)
{
- syslog(LOG_ERR, _("Incoming data socket error: %s"), sys_errlist[x]);
+ syslog(LOG_ERR, _("Incoming data socket error for %s (%s): %s"),
+ cl->vpn_hostname, cl->real_hostname, sys_errlist[x]);
return -1;
}
lenin = recvfrom(cl->socket, &rp, MTU, 0, NULL, NULL);
if(lenin <= 0)
{
- syslog(LOG_ERR, _("Receiving packet from %s failed: %m"), cl->real_hostname);
+ syslog(LOG_ERR, _("Receiving packet from %s (%s) failed: %m"), cl->vpn_hostname, cl->real_hostname);
return -1;
}
total_socket_in += lenin;
cp
if(getsockopt(cl->meta_socket, SOL_SOCKET, SO_ERROR, &x, &l) < 0)
{
- syslog(LOG_ERR, _("This is a bug: %s:%d: %d:%m"), __FILE__, __LINE__, cl->meta_socket);
+ syslog(LOG_ERR, _("This is a bug: %s:%d: %d:%m %s (%s)"), __FILE__, __LINE__, cl->meta_socket,
+ cl->vpn_hostname, cl->real_hostname);
return -1;
}
if(x)
{
- syslog(LOG_ERR, _("Metadata socket error: %s"), sys_errlist[x]);
+ syslog(LOG_ERR, _("Metadata socket error for %s (%s): %s"),
+ cl->vpn_hostname, cl->real_hostname, sys_errlist[x]);
return -1;
}
{
if(errno==EINTR)
return 0;
- syslog(LOG_ERR, _("Metadata socket read error: %m"));
+ if(errno==0)
+ if(debug_lvl>0)
+ syslog(LOG_NOTICE, _("Connection closed by %s (%s)"),
+ cl->vpn_hostname, cl->real_hostname);
+ else
+ syslog(LOG_ERR, _("Metadata socket read error for %s (%s): %m"),
+ cl->vpn_hostname, cl->real_hostname);
return -1;
}
syslog(LOG_ERR, _("Unable to reread configuration file, exiting"));
exit(0);
}
+ sleep(5);
setup_network_connections();
continue;
}