static void test_addr_str(void)
{
static const unsigned char v6addr[16] = {0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,1};
static const unsigned char v4addr[16] = "\0\0\0\0\0\0\0\0\0\0\xff\xff\x01\x02\x03\x04";
char host[64];
bn_address_str(host, sizeof(host), v6addr);
assert(strcmp(host, "::1") == 0);
bn_address_str(host, sizeof(host), v4addr);
assert(strcmp(host, "1.2.3.4") == 0);
}
static bool nc_msg_version(struct nc_conn *conn)
{
if (conn->seen_version){
LOG("version command already seen from:%s", conn->addr_str);
return false;
}
conn->seen_version = true;
struct const_buffer buf = { conn->msg.data, conn->msg.hdr.data_len };
struct msg_version mv;
bool rc = false;
msg_version_init(&mv);
if (!deser_msg_version(&mv, &buf))
goto out;
if (debugging) {
char fromstr[64], tostr[64];
bn_address_str(fromstr, sizeof(fromstr), mv.addrFrom.ip);
bn_address_str(tostr, sizeof(tostr), mv.addrTo.ip);
fprintf(plog, "net: %s version(%u, 0x%llx, %lld, To:%s, From:%s, %s, %u)\n",
conn->addr_str,
mv.nVersion,
(unsigned long long) mv.nServices,
(long long) mv.nTime,
tostr,
fromstr,
mv.strSubVer,
mv.nStartingHeight);
}
if (!(mv.nServices & NODE_NETWORK)) /* require NODE_NETWORK */
goto out;
if (mv.nonce == instance_nonce) /* connected to ourselves? */
goto out;
conn->protover = MIN(mv.nVersion, PROTO_VERSION);
/* acknowledge version receipt */
if (!nc_conn_send(conn, "verack", NULL, 0))
goto out;
rc = true;
out:
msg_version_free(&mv);
return rc;
}
static struct nc_conn *nc_conn_new(const struct peer *peer)
{
struct nc_conn *conn;
conn = calloc(1, sizeof(*conn));
if (!conn)
return NULL;
conn->fd = -1;
peer_copy(&conn->peer, peer);
bn_address_str(conn->addr_str, sizeof(conn->addr_str), conn->peer.addr.ip);
return conn;
}
