X-Git-Url: https://tinc-vpn.org/git/browse?a=blobdiff_plain;f=src%2Fconnection.h;h=20e00763c0a1d9881b15509b34061b0327b0bce0;hb=3fba80174dbe29bcfe0d121a2a1d2e61be5ee57b;hp=e262846c1f4bccc1dda3f5f200b0433dd0513154;hpb=c217d214f4f071c235bc7c463a1da6124e2570a6;p=tinc diff --git a/src/connection.h b/src/connection.h index e262846c..20e00763 100644 --- a/src/connection.h +++ b/src/connection.h @@ -1,6 +1,6 @@ /* connection.h -- header for connection.c - Copyright (C) 2000-2009 Guus Sliepen , + Copyright (C) 2000-2010 Guus Sliepen , 2000-2005 Ivo Timmermans This program is free software; you can redistribute it and/or modify @@ -13,38 +13,43 @@ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details. - You should have received a copy of the GNU General Public License - along with this program; if not, write to the Free Software - Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. + You should have received a copy of the GNU General Public License along + with this program; if not, write to the Free Software Foundation, Inc., + 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA. */ #ifndef __TINC_CONNECTION_H__ #define __TINC_CONNECTION_H__ -#include -#include - -#include "avl_tree.h" +#include "buffer.h" +#include "cipher.h" +#include "digest.h" +#include "rsa.h" +#include "splay_tree.h" #define OPTION_INDIRECT 0x0001 #define OPTION_TCPONLY 0x0002 #define OPTION_PMTU_DISCOVERY 0x0004 +#define OPTION_CLAMP_MSS 0x0008 typedef struct connection_status_t { - int pinged:1; /* sent ping */ - int active:1; /* 1 if active.. */ - int connecting:1; /* 1 if we are waiting for a non-blocking connect() to finish */ - int termreq:1; /* the termination of this connection was requested */ - int remove:1; /* Set to 1 if you want this connection removed */ - int timeout:1; /* 1 if gotten timeout */ - int encryptout:1; /* 1 if we can encrypt outgoing traffic */ - int decryptin:1; /* 1 if we have to decrypt incoming traffic */ - int mst:1; /* 1 if this connection is part of a minimum spanning tree */ - int unused:23; + unsigned int pinged:1; /* sent ping */ + unsigned int active:1; /* 1 if active.. */ + unsigned int connecting:1; /* 1 if we are waiting for a non-blocking connect() to finish */ + unsigned int termreq:1; /* the termination of this connection was requested */ + unsigned int remove_unused:1; /* Set to 1 if you want this connection removed */ + unsigned int timeout_unused:1; /* 1 if gotten timeout */ + unsigned int encryptout:1; /* 1 if we can encrypt outgoing traffic */ + unsigned int decryptin:1; /* 1 if we have to decrypt incoming traffic */ + unsigned int mst:1; /* 1 if this connection is part of a minimum spanning tree */ + unsigned int control:1; + unsigned int pcap:1; + unsigned int unused:21; } connection_status_t; +#include "ecdh.h" +#include "ecdsa.h" #include "edge.h" -#include "list.h" #include "net.h" #include "node.h" @@ -53,10 +58,11 @@ typedef struct connection_t { union sockaddr_t address; /* his real (internet) ip */ char *hostname; /* the hostname of its real ip */ - int protocol_version; /* used protocol */ + int protocol_major; /* used protocol */ + int protocol_minor; /* used protocol */ int socket; /* socket used for this connection */ - long int options; /* options for this connection */ + uint32_t options; /* options for this connection */ connection_status_t status; /* status info */ int estimated_weight; /* estimation for the weight of the edge for this connection */ struct timeval start; /* time this connection was started, used for above estimation */ @@ -65,43 +71,35 @@ typedef struct connection_t { struct node_t *node; /* node associated with the other end */ struct edge_t *edge; /* edge associated with this connection */ - RSA *rsa_key; /* his public/private key */ - const EVP_CIPHER *incipher; /* Cipher he will use to send data to us */ - const EVP_CIPHER *outcipher; /* Cipher we will use to send data to him */ - EVP_CIPHER_CTX *inctx; /* Context of encrypted meta data that will come from him to us */ - EVP_CIPHER_CTX *outctx; /* Context of encrypted meta data that will be sent from us to him */ - char *inkey; /* His symmetric meta key + iv */ - char *outkey; /* Our symmetric meta key + iv */ - int inkeylength; /* Length of his key + iv */ - int outkeylength; /* Length of our key + iv */ - const EVP_MD *indigest; - const EVP_MD *outdigest; + rsa_t rsa; /* his public RSA key */ + ecdsa_t ecdsa; /* his public ECDSA key */ + ecdsa_t ecdh; /* state for ECDH key exchange */ + cipher_t incipher; /* Cipher he will use to send data to us */ + cipher_t outcipher; /* Cipher we will use to send data to him */ + digest_t indigest; + digest_t outdigest; + int inmaclength; int outmaclength; int incompression; int outcompression; - char *mychallenge; /* challenge we received from him */ - char *hischallenge; /* challenge we sent to him */ - char buffer[MAXBUFSIZE]; /* metadata input buffer */ - int buflen; /* bytes read into buffer */ - int reqlen; /* length of incoming request */ + char *hischallenge; /* The challenge we sent to him */ + + struct buffer_t inbuf; + struct buffer_t outbuf; + struct event inevent; /* input event on this metadata connection */ + struct event outevent; /* output event on this metadata connection */ int tcplen; /* length of incoming TCPpacket */ int allow_request; /* defined if there's only one request possible */ - char *outbuf; /* metadata output buffer */ - int outbufstart; /* index of first meaningful byte in output buffer */ - int outbuflen; /* number of meaningful bytes in output buffer */ - int outbufsize; /* number of bytes allocated to output buffer */ - time_t last_ping_time; /* last time we saw some activity from the other end or pinged them */ - time_t last_flushed_time; /* last time buffer was empty. Only meaningful if outbuflen > 0 */ - avl_tree_t *config_tree; /* Pointer to configuration tree belonging to him */ + splay_tree_t *config_tree; /* Pointer to configuration tree belonging to him */ } connection_t; -extern avl_tree_t *connection_tree; -extern connection_t *broadcast; +extern splay_tree_t *connection_tree; +extern connection_t *everyone; extern void init_connections(void); extern void exit_connections(void); @@ -109,7 +107,6 @@ extern connection_t *new_connection(void) __attribute__ ((__malloc__)); extern void free_connection(connection_t *); extern void connection_add(connection_t *); extern void connection_del(connection_t *); -extern void dump_connections(void); -extern bool read_connection_config(connection_t *); +extern bool dump_connections(struct connection_t *); #endif /* __TINC_CONNECTION_H__ */