Add stricter checks for netnames.

[tinc] / src / connection.h

diff --git a/src/connection.h b/src/connection.h
index 5b6a94c..7fa769f 100644 (file)
--- a/src/connection.h
+++ b/src/connection.h
@@ -36,7 +36,7 @@
 
 typedef struct connection_status_t {
                unsigned int pinged:1;                  /* sent ping */
-               unsigned int active:1;                  /* 1 if active.. */
+               unsigned int unused_active:1;
                unsigned int connecting:1;              /* 1 if we are waiting for a non-blocking connect() to finish */
                unsigned int unused_termreq:1;          /* the termination of this connection was requested */
                unsigned int remove_unused:1;           /* Set to 1 if you want this connection removed */
@@ -47,7 +47,9 @@ typedef struct connection_status_t {
                unsigned int control:1;                 /* 1 if this is a control connection */
                unsigned int pcap:1;                    /* 1 if this is a control connection requesting packet capture */
                unsigned int log:1;                     /* 1 if this is a control connection requesting log dump */
-               unsigned int unused:20;
+               unsigned int invitation:1;              /* 1 if this is an invitation */
+               unsigned int invitation_used:1;         /* 1 if the invitation has been consumed */
+               unsigned int unused:18;
 } connection_status_t;
 
 #include "ecdsa.h"
@@ -57,9 +59,9 @@ typedef struct connection_status_t {
 
 typedef struct connection_t {
        char *name;                     /* name he claims to have */
+       char *hostname;                 /* the hostname of its real ip */
 
        union sockaddr_t address;       /* his real (internet) ip */
-       char *hostname;                 /* the hostname of its real ip */
        int protocol_major;             /* used protocol */
        int protocol_minor;             /* used protocol */
 
@@ -73,12 +75,15 @@ typedef struct connection_t {
        struct node_t *node;            /* node associated with the other end */
        struct edge_t *edge;            /* edge associated with this connection */
 
+#ifndef DISABLE_LEGACY
        rsa_t *rsa;                     /* his public RSA key */
-       ecdsa_t *ecdsa;                 /* his public ECDSA key */
        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;
+#endif
+
+       ecdsa_t *ecdsa;                 /* his public ECDSA key */
        sptps_t sptps;
 
        int inmaclength;
@@ -92,6 +97,7 @@ typedef struct connection_t {
        struct buffer_t outbuf;
        io_t io;                        /* input/output event on this metadata connection */
        int tcplen;                     /* length of incoming TCPpacket */
+       int sptpslen;                   /* length of incoming SPTPS packet */
        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 or pinged them */