along with this program; if not, write to the Free Software
Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
- $Id: net.h,v 1.9.4.10 2000/09/14 14:32:34 zarq Exp $
+ $Id: net.h,v 1.9.4.12 2000/09/15 12:58:40 zarq Exp $
*/
#ifndef __TINC_NET_H__
#define TCPONLY 0x0004 /* Tells sender to send packets over TCP instead of UDP (for firewalls) */
typedef unsigned long ip_t;
+typedef unsigned short port_t;
typedef short length_t;
struct conn_list_t;
int dataopen:1; /* 1 if we have a valid UDP connection open */
int encryptout:1; /* 1 if we can encrypt outgoing traffic */
int encryptin:1; /* 1 if we have to decrypt incoming traffic */
- int unused:19;
+ int encrypted:1;
+ int unused:18;
} status_bits_t;
+typedef struct option_bits_t {
+ int unused:32;
+} option_bits_t;
+
typedef struct queue_element_t {
void *packet;
struct queue_element_t *prev;
int meta_socket; /* our tcp meta socket */
int protocol_version; /* used protocol */
status_bits_t status; /* status info */
+ int options; /* options turned on for this connection */
passphrase_t *pp; /* encoded passphrase */
packet_queue_t *sq; /* pending outgoing packets */
packet_queue_t *rq; /* pending incoming packets (they have no
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 */
+ enc_key_t *datakey; /* encrypt data packets with this key */
char *buffer; /* metadata input buffer */
int buflen; /* bytes read into buffer */
int reqlen; /* length of first request in buffer */
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;
+ enc_key_t *rsakey;
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 *myself;
extern char *request_name[256];
+extern char *status_text[10];
+extern int str2opt(const char *);
+extern char *opt2str(int);
extern int send_packet(ip_t, vpn_packet_t *);
extern int setup_network_connections(void);
extern void close_network_connections(void);