X-Git-Url: https://www.tinc-vpn.org/git/browse?p=tinc;a=blobdiff_plain;f=src%2Fnode.h;h=b360fe5b378a2c5a31ae886802869c53b14951a8;hp=6a8e6413138f6948c000d4940301a346df619ef4;hb=57bc9a1835bcb6a8df7963ee4ab04fde34f28eaf;hpb=c217d214f4f071c235bc7c463a1da6124e2570a6 diff --git a/src/node.h b/src/node.h index 6a8e6413..b360fe5b 100644 --- a/src/node.h +++ b/src/node.h @@ -1,6 +1,9 @@ +#ifndef TINC_NODE_H +#define TINC_NODE_H + /* node.h -- header for node.c - Copyright (C) 2001-2009 Guus Sliepen , + Copyright (C) 2001-2016 Guus Sliepen , 2001-2005 Ivo Timmermans This program is free software; you can redistribute it and/or modify @@ -13,76 +16,76 @@ 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_NODE_H__ -#define __TINC_NODE_H__ - #include "avl_tree.h" #include "connection.h" #include "event.h" -#include "list.h" #include "subnet.h" typedef struct node_status_t { - int unused_active:1; /* 1 if active (not used for nodes) */ - 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 visited:1; /* 1 if this node has been visited by one of the graph algorithms */ - int reachable:1; /* 1 if this node is reachable in the graph */ - int indirect:1; /* 1 if this node is not directly reachable by us */ - int unused:26; + unsigned int unused_active: 1; /* 1 if active (not used for nodes) */ + unsigned int validkey: 1; /* 1 if we currently have a valid key for him */ + unsigned int unused_waitingforkey: 1; /* 1 if we already sent out a request */ + unsigned int visited: 1; /* 1 if this node has been visited by one of the graph algorithms */ + unsigned int reachable: 1; /* 1 if this node is reachable in the graph */ + unsigned int indirect: 1; /* 1 if this node is not directly reachable by us */ + unsigned int unused: 26; } node_status_t; typedef struct node_t { - char *name; /* name of this node */ - long int options; /* options turned on for this node */ + char *name; /* name of this node */ + uint32_t options; /* options turned on for this node */ - sockaddr_t address; /* his real (internet) ip to send UDP packets to */ - char *hostname; /* the hostname of its real ip */ + int sock; /* Socket to use for outgoing UDP packets */ + sockaddr_t address; /* his real (internet) ip to send UDP packets to */ + char *hostname; /* the hostname of its real ip */ node_status_t status; + time_t last_req_key; + + const EVP_CIPHER *incipher; /* Cipher type for UDP packets received from him */ + char *inkey; /* Cipher key and iv */ + int inkeylength; /* Cipher key and iv length */ + EVP_CIPHER_CTX *inctx; /* Cipher context */ + + const EVP_CIPHER *outcipher; /* Cipher type for UDP packets sent to him*/ + char *outkey; /* Cipher key and iv */ + int outkeylength; /* Cipher key and iv length */ + EVP_CIPHER_CTX *outctx; /* Cipher context */ - const EVP_CIPHER *incipher; /* Cipher type for UDP packets received from him */ - char *inkey; /* Cipher key and iv */ - int inkeylength; /* Cipher key and iv length */ - EVP_CIPHER_CTX inctx; /* Cipher context */ - - const EVP_CIPHER *outcipher; /* Cipher type for UDP packets sent to him*/ - char *outkey; /* Cipher key and iv */ - int outkeylength; /* Cipher key and iv length */ - EVP_CIPHER_CTX outctx; /* Cipher context */ - - const EVP_MD *indigest; /* Digest type for MAC of packets received from him */ - int inmaclength; /* Length of MAC */ + const EVP_MD *indigest; /* Digest type for MAC of packets received from him */ + int inmaclength; /* Length of MAC */ - const EVP_MD *outdigest; /* Digest type for MAC of packets sent to him*/ - int outmaclength; /* Length of MAC */ + const EVP_MD *outdigest; /* Digest type for MAC of packets sent to him*/ + int outmaclength; /* Length of MAC */ - int incompression; /* Compressionlevel, 0 = no compression */ - int outcompression; /* Compressionlevel, 0 = no compression */ + int incompression; /* Compressionlevel, 0 = no compression */ + int outcompression; /* Compressionlevel, 0 = no compression */ - struct node_t *nexthop; /* nearest node from us to him */ - struct node_t *via; /* next hop for UDP packets */ + struct node_t *nexthop; /* nearest node from us to him */ + struct edge_t *prevedge; /* nearest node from him to us */ + struct node_t *via; /* next hop for UDP packets */ - avl_tree_t *subnet_tree; /* Pointer to a tree of subnets belonging to this node */ + avl_tree_t *subnet_tree; /* Pointer to a tree of subnets belonging to this node */ - avl_tree_t *edge_tree; /* Edges with this node as one of the endpoints */ + avl_tree_t *edge_tree; /* Edges with this node as one of the endpoints */ - struct connection_t *connection; /* Connection associated with this node (if a direct connection exists) */ + struct connection_t *connection; /* Connection associated with this node (if a direct connection exists) */ - uint32_t sent_seqno; /* Sequence number last sent to this node */ - uint32_t received_seqno; /* Sequence number last received from this node */ - unsigned char late[16]; /* Bitfield marking late packets */ + uint32_t sent_seqno; /* Sequence number last sent to this node */ + uint32_t received_seqno; /* Sequence number last received from this node */ + uint32_t farfuture; /* Packets in a row that have arrived from the far future */ + unsigned char *late; /* Bitfield marking late packets */ - length_t mtu; /* Maximum size of packets to send to this node */ - length_t minmtu; /* Probed minimum MTU */ - length_t maxmtu; /* Probed maximum MTU */ - int mtuprobes; /* Number of probes */ - event_t *mtuevent; /* Probe event */ + length_t mtu; /* Maximum size of packets to send to this node */ + length_t minmtu; /* Probed minimum MTU */ + length_t maxmtu; /* Probed maximum MTU */ + int mtuprobes; /* Number of probes */ + event_t *mtuevent; /* Probe event */ } node_t; extern struct node_t *myself; @@ -91,13 +94,13 @@ extern avl_tree_t *node_udp_tree; extern void init_nodes(void); extern void exit_nodes(void); -extern node_t *new_node(void) __attribute__ ((__malloc__)); -extern void free_node(node_t *); -extern void node_add(node_t *); -extern void node_del(node_t *); -extern node_t *lookup_node(char *); -extern node_t *lookup_node_udp(const sockaddr_t *); -extern void update_node_udp(node_t *, const sockaddr_t *); +extern node_t *new_node(void) __attribute__((__malloc__)); +extern void free_node(node_t *n); +extern void node_add(node_t *n); +extern void node_del(node_t *n); +extern node_t *lookup_node(char *name); +extern node_t *lookup_node_udp(const sockaddr_t *sa); +extern void update_node_udp(node_t *n, const sockaddr_t *sa); extern void dump_nodes(void); -#endif /* __TINC_NODE_H__ */ +#endif