X-Git-Url: https://www.tinc-vpn.org/git/browse?p=tinc;a=blobdiff_plain;f=src%2Fnet.h;h=473493f7727f7cd732d4de86f98f1b72f16b6bcb;hp=3be9acf9be3a7da98d665f879dcf7dc32c7196da;hb=8738c007b15eea024bc4ca6ee0f972b2f5bf259f;hpb=2228b16159a7aff64e6559ee1635716154e67fe6 diff --git a/src/net.h b/src/net.h index 3be9acf9..473493f7 100644 --- a/src/net.h +++ b/src/net.h @@ -16,7 +16,7 @@ along with this program; if not, write to the Free Software Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. - $Id: net.h,v 1.9.4.13 2000/10/01 03:21:49 guus Exp $ + $Id: net.h,v 1.9.4.18 2000/10/28 21:25:21 guus Exp $ */ #ifndef __TINC_NET_H__ @@ -25,7 +25,6 @@ #include #include "config.h" -#include "conf.h" #define MAXSIZE 1700 /* should be a bit more than the MTU for the tapdevice */ #define MTU 1600 @@ -45,30 +44,40 @@ ((unsigned char*)&(x))[1],((unsigned char*)&(x))[0] #endif -#define MAXBUFSIZE 2048 /* Probably way too much, but it must fit every possible request. */ +#define MAXBUFSIZE 4096 /* Probably way too much, but it must fit every possible request. */ /* flags */ #define INDIRECTDATA 0x0001 /* Used to indicate that this host has to be reached indirect */ #define EXPORTINDIRECTDATA 0x0002 /* Used to indicate uplink that it has to tell others to do INDIRECTDATA */ #define TCPONLY 0x0004 /* Tells sender to send packets over TCP instead of UDP (for firewalls) */ -typedef unsigned long ip_t; +/* tap types */ +#define TAP_TYPE_ETHERTAP 0 +#define TAP_TYPE_TUNTAP 1 + +typedef struct mac_t +{ + unsigned char x[6]; +} mac_t; + +typedef unsigned long ipv4_t; + +typedef ipv4_t ip_t; /* alias for ipv4_t */ + +typedef struct ipv6_t +{ + unsigned short x[8]; +} ipv6_t; + typedef unsigned short port_t; -typedef short length_t; -struct conn_list_t; +typedef short length_t; typedef struct vpn_packet_t { length_t len; /* the actual number of bytes in the `data' field */ unsigned char data[MAXSIZE]; } vpn_packet_t; -typedef struct real_packet_t { - length_t len; /* the length of the entire packet */ - ip_t from; /* where the packet came from */ - vpn_packet_t data; /* encrypted vpn_packet_t */ -} real_packet_t; - typedef struct passphrase_t { unsigned short len; unsigned char *phrase; @@ -87,8 +96,7 @@ typedef struct status_bits_t { int waitingforkey:1; /* 1 if we already sent out a request */ 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 encrypted:1; + int decryptin:1; /* 1 if we have to decrypt incoming traffic */ int unused:18; } status_bits_t; @@ -113,45 +121,6 @@ typedef struct enc_key_t { time_t expiry; } enc_key_t; -typedef struct conn_list_t { - char *name; /* name of this connection */ - ip_t real_ip; /* his real (internet) ip */ - char *hostname; /* the hostname of its real ip */ - short unsigned int port; /* his portnumber */ - int protocol_version; /* used protocol */ - int options; /* options turned on for this connection */ - - int flags; /* his flags */ - int socket; /* our udp vpn socket */ - int meta_socket; /* our tcp meta socket */ - status_bits_t status; /* status info */ - 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 *datakey; /* encrypt data packets with this key */ - enc_key_t *rsakey; - - char *buffer; /* metadata input buffer */ - int buflen; /* bytes read into buffer */ - int reqlen; /* length of first request in buffer */ - int allow_request; /* defined if there's only one request possible */ - - 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. Shouldn't this go into status? (GS) */ - - char *mychallenge; /* challenge we received from him */ - char *hischallenge; /* challenge we sent to him */ - - struct conn_list_t *nexthop; /* nearest meta-hop in this direction, will be changed to myuplink (GS) */ - struct conn_list_t *hisuplink; /* his nearest meta-hop in our direction */ - struct conn_list_t *myuplink; /* our nearest meta-hop in his direction */ - - struct subnet_t *subnets; /* Pointer to a list of subnets belonging to this connection */ - - struct conn_list_t *next; /* after all, it's a list of connections */ -} conn_list_t; - extern int tap_fd; extern int total_tap_in; @@ -159,12 +128,13 @@ extern int total_tap_out; extern int total_socket_in; extern int total_socket_out; -extern conn_list_t *conn_list; -extern conn_list_t *myself; +extern char *unknown; extern char *request_name[256]; extern char *status_text[10]; +#include "connlist.h" /* Yes, very strange placement indeed, but otherwise the typedefs get all tangled up */ + extern int str2opt(const char *); extern char *opt2str(int); extern int send_packet(ip_t, vpn_packet_t *); @@ -173,8 +143,8 @@ extern void close_network_connections(void); extern void main_loop(void); extern int setup_vpn_connection(conn_list_t *); extern void terminate_connection(conn_list_t *); -extern void flush_queues(conn_list_t*); -extern int xrecv(conn_list_t *, void *); +extern void flush_queues(conn_list_t *); +extern int xrecv(vpn_packet_t *); extern void add_queue(packet_queue_t **, void *, size_t); #endif /* __TINC_NET_H__ */