along with this program; if not, write to the Free Software
Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
- $Id: net.c,v 1.35.4.38 2000/10/15 20:30:39 guus Exp $
+ $Id: net.c,v 1.35.4.41 2000/10/20 15:34:35 guus Exp $
*/
#include "config.h"
#include "system.h"
int tap_fd = -1;
-
+int taptype = 0;
int total_tap_in = 0;
int total_tap_out = 0;
int total_socket_in = 0;
cp
tap_fd = nfd;
+ taptype = 0;
+
#ifdef HAVE_TUNTAP
/* Ok now check if this is an old ethertap or a new tun/tap thingie */
memset(&ifr, 0, sizeof(ifr));
cp
- ifr.ifr_flags = IFF_TAP;
+ ifr.ifr_flags = IFF_TAP | IFF_NO_PI;
if (netname)
strncpy(ifr.ifr_name, netname, IFNAMSIZ);
cp
if (!ioctl(tap_fd, TUNSETIFF, (void *) &ifr))
{
syslog(LOG_INFO, _("%s is a new style tun/tap device"), tapfname);
+ taptype = 1;
if((cfg = get_config_val(config, tapsubnet)) == NULL)
syslog(LOG_INFO, _("tun/tap device will be left unconfigured"));
else
if(debug_lvl > 0)
syslog(LOG_INFO, _("Connected to %s port %hd"),
cl->hostname, cl->port);
+
+ cl->status.meta = 1;
cp
return 0;
}
an authentication sequence during which
we will do just that.
*/
-int setup_outgoing_connection(char *hostname)
+int setup_outgoing_connection(char *name)
{
conn_list_t *ncn;
struct hostent *h;
+ config_t *cfg;
cp
- if(!(h = gethostbyname(hostname)))
+ if(check_id(name))
{
- syslog(LOG_ERR, _("Error looking up `%s': %m"), hostname);
+ syslog(LOG_ERR, _("Invalid name for outgoing connection"));
return -1;
}
ncn = new_conn_list();
+ asprintf(&ncn->name, "%s", name);
+
+ if(read_host_config(ncn))
+ {
+ syslog(LOG_ERR, _("Error reading host configuration file for %s"));
+ free_conn_list(ncn);
+ return -1;
+ }
+
+ if(!(cfg = get_config_val(ncn->config, address)))
+ {
+ syslog(LOG_ERR, _("No address specified for %s"));
+ free_conn_list(ncn);
+ return -1;
+ }
+
+ if(!(h = gethostbyname(cfg->data.ptr)))
+ {
+ syslog(LOG_ERR, _("Error looking up `%s': %m"), cfg->data.ptr);
+ free_conn_list(ncn);
+ return -1;
+ }
+
ncn->address = ntohl(*((ip_t*)(h->h_addr_list[0])));
ncn->hostname = hostlookup(htonl(ncn->address));
return -1;
}
- ncn->status.meta = 1;
ncn->status.outgoing = 1;
- ncn->next = conn_list;
- conn_list = ncn;
+ ncn->buffer = xmalloc(MAXBUFSIZE);
+ ncn->buflen = 0;
+ ncn->last_ping_time = time(NULL);
+ ncn->want_ping = 0;
+
+ conn_list_add(ncn);
+
+ send_id(ncn);
cp
return 0;
}
return -1;
}
else
- myself->name = (char*)cfg->data.val;
+ asprintf(&myself->name, "%s", (char*)cfg->data.val);
if(check_id(myself->name))
{
syslog(LOG_ERR, _("Invalid name for myself!"));
return -1;
}
+cp
+ if(!(cfg = get_config_val(config, privatekey)))
+ {
+ syslog(LOG_ERR, _("Private key for tinc daemon required!"));
+ return -1;
+ }
+ else
+ {
+ myself->rsa_key = RSA_new();
+ BN_hex2bn(&myself->rsa_key->d, cfg->data.ptr);
+ BN_hex2bn(&myself->rsa_key->e, "FFFF");
+ }
if(read_host_config(myself))
{
syslog(LOG_ERR, _("Cannot open host configuration file for myself!"));
return -1;
}
-
+cp
+ if(!(cfg = get_config_val(myself->config, publickey)))
+ {
+ syslog(LOG_ERR, _("Public key for tinc daemon required!"));
+ return -1;
+ }
+ else
+ {
+ BN_hex2bn(&myself->rsa_key->n, cfg->data.ptr);
+ }
+/*
+ if(RSA_check_key(myself->rsa_key) != 1)
+ {
+ syslog(LOG_ERR, _("Invalid public/private keypair!"));
+ return -1;
+ }
+*/
if(!(cfg = get_config_val(myself->config, port)))
myself->port = 655;
else
{
config_t const *cfg;
cp
-/* FIXME! Use name instead of upstreamip.
- cfg = get_next_config_val(config, upstreamip, upstreamindex++);
-*/
+ cfg = get_next_config_val(config, connectto, upstreamindex++);
+
+ if(!upstreamindex && !cfg)
+ /* No upstream IP given, we're listen only. */
+ return;
+
while(cfg)
{
if(!setup_outgoing_connection(cfg->data.ptr)) /* function returns 0 when there are no problems */
signal(SIGALRM, SIG_IGN);
return;
}
-// cfg = get_next_config_val(config, upstreamip, upstreamindex++); /* Or else we try the next ConnectTo line */
+ cfg = get_next_config_val(config, connectto, upstreamindex++); /* Or else we try the next ConnectTo line */
}
signal(SIGALRM, sigalrm_handler);
if(setup_myself() < 0)
return -1;
-// if((cfg = get_next_config_val(config, upstreamip, upstreamindex++)) == NULL)
+ if((cfg = get_next_config_val(config, connectto, upstreamindex++)) == NULL)
/* No upstream IP given, we're listen only. */
return 0;
{
if(!setup_outgoing_connection(cfg->data.ptr)) /* function returns 0 when there are no problems */
return 0;
-// cfg = get_next_config_val(config, upstreamip, upstreamindex++); /* Or else we try the next ConnectTo line */
+ cfg = get_next_config_val(config, connectto, upstreamindex++); /* Or else we try the next ConnectTo line */
}
signal(SIGALRM, sigalrm_handler);
syslog(LOG_NOTICE, _("Connection from %s port %d"),
p->hostname, htons(ci.sin_port));
- if(send_id(p) < 0)
- {
- free_conn_list(p);
- return NULL;
- }
+ p->allow_request = ID;
cp
return p;
}
int ether_type, lenin;
cp
memset(&vp, 0, sizeof(vp));
- if((lenin = read(tap_fd, &vp, MTU)) <= 0)
+
+ if(taptype = 1)
{
- syslog(LOG_ERR, _("Error while reading from tapdevice: %m"));
- return;
+ if((lenin = read(tap_fd, vp.data, MTU)) <= 0)
+ {
+ syslog(LOG_ERR, _("Error while reading from tapdevice: %m"));
+ return;
+ }
+ vp.len = lenin;
+ }
+ else
+ {
+ if((lenin = read(tap_fd, &vp, MTU)) <= 0)
+ {
+ syslog(LOG_ERR, _("Error while reading from tapdevice: %m"));
+ return;
+ }
+ vp.len = lenin - 2;
}
total_tap_in += lenin;
from = ntohl(*((unsigned long*)(&vp.data[26])));
to = ntohl(*((unsigned long*)(&vp.data[30])));
- vp.len = (length_t)lenin - 2;
-
- strip_mac_addresses(&vp);
-
send_packet(to, &vp);
cp
}
projects / tinc / blobdiff