Handle UDP packets from different and ports than advertised.

[tinc] / src / node.h

diff --git a/src/node.h b/src/node.h
index 55a1b53..4321c00 100644 (file)
--- a/src/node.h
+++ b/src/node.h
@@ -51,15 +51,24 @@ typedef struct node_t {
 
        node_status_t status;
 
-       const EVP_CIPHER *cipher;               /* Cipher type for UDP packets */
-       char *key;                              /* Cipher key and iv */
-       int keylength;                          /* Cipher key and iv length */
-       EVP_CIPHER_CTX packet_ctx;              /* 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_MD *digest;                   /* Digest type for MAC */
-       int maclength;                          /* Length of MAC */
+       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 *outdigest;                /* Digest type for MAC of packets sent to him*/
+       int outmaclength;                       /* Length of MAC */
 
-       int compression;                        /* 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 */
@@ -93,6 +102,7 @@ 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 void dump_nodes(void);
 
 #endif                                                 /* __TINC_NODE_H__ */