along with this program; if not, write to the Free Software
Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
- $Id: net.h,v 1.9.4.9 2000/08/08 17:07:48 guus Exp $
+ $Id: net.h,v 1.9.4.10 2000/09/14 14:32:34 zarq Exp $
*/
#ifndef __TINC_NET_H__
typedef unsigned long ip_t;
typedef short length_t;
+struct conn_list_t;
+
+typedef struct subnet_t {
+ ip_t netaddr;
+ ip_t netmask;
+ struct conn_list_t *owner;
+ struct subnet_t *next;
+ struct subnet_t *prev;
+} subnet_t;
+
typedef struct vpn_packet_t {
length_t len; /* the actual number of bytes in the `data' field */
unsigned char data[MAXSIZE];
int validkey:1; /* 1 if we currently have a valid key for him */
int waitingforkey:1; /* 1 if we already sent out a request */
int dataopen:1; /* 1 if we have a valid UDP connection open */
- int unused:21;
+ int encryptout:1; /* 1 if we can encrypt outgoing traffic */
+ int encryptin:1; /* 1 if we have to decrypt incoming traffic */
+ int unused:19;
} status_bits_t;
typedef struct queue_element_t {
} enc_key_t;
typedef struct conn_list_t {
+ char *name; /* name of this connection */
ip_t vpn_ip; /* his vpn ip */
ip_t vpn_mask; /* his vpn network address */
ip_t real_ip; /* his real (internet) ip */
- char *real_hostname; /* the hostname of its real ip */
- char *vpn_hostname; /* the hostname of the vpn ip */
+ char *hostname; /* the hostname of its real ip */
short unsigned int port; /* his portnumber */
int flags; /* his flags */
int socket; /* our udp vpn socket */
valid key to be decrypted with) */
enc_key_t *public_key; /* the other party's public key */
enc_key_t *key; /* encrypt with this key */
- char buffer[MAXBUFSIZE+1]; /* metadata input buffer */
+ char *buffer; /* metadata input buffer */
int buflen; /* bytes read into buffer */
int reqlen; /* length of first request in buffer */
int tcppacket; /* length of incoming TCP tunnelled packet */
time_t last_ping_time; /* last time we saw some activity from the other end */
int want_ping; /* 0 if there's no need to check for activity */
+ int allow_request; /* defined if there's only one request possible */
+ char *chal_answer; /* answer to the given challenge */
+ enc_key_t *metakey;
struct conn_list_t *nexthop; /* nearest meta-hop in this direction */
struct conn_list_t *next; /* after all, it's a list of connections */
} conn_list_t;
extern conn_list_t *conn_list;
extern conn_list_t *myself;
+extern char *request_name[256];
+
extern int send_packet(ip_t, vpn_packet_t *);
extern int setup_network_connections(void);
extern void close_network_connections(void);