diff options
| author | Nicholas Marriott <nicholas.marriott@gmail.com> | 2008-07-01 19:47:02 +0000 |
|---|---|---|
| committer | Nicholas Marriott <nicholas.marriott@gmail.com> | 2008-07-01 19:47:02 +0000 |
| commit | dd41035a4d71057108da8c7b5e1876cc02b4995c (patch) | |
| tree | a8122ccd8c988b6a7e7645db1e8d7637e7992b1c /server-msg.c | |
| parent | 87b9851f3a125820e04844733f792350f5ae3e2c (diff) | |
Protocol versioning, version is checked on identify message.
Diffstat (limited to 'server-msg.c')
| -rw-r--r-- | server-msg.c | 12 |
1 files changed, 10 insertions, 2 deletions
diff --git a/server-msg.c b/server-msg.c index ad193fd7..fef163d1 100644 --- a/server-msg.c +++ b/server-msg.c @@ -1,4 +1,4 @@ -/* $Id: server-msg.c,v 1.48 2008-06-21 10:19:36 nicm Exp $ */ +/* $Id: server-msg.c,v 1.49 2008-07-01 19:47:02 nicm Exp $ */ /* * Copyright (c) 2007 Nicholas Marriott <nicm@users.sourceforge.net> @@ -172,7 +172,15 @@ server_msg_fn_identify(struct hdr *hdr, struct client *c) buffer_read(c->in, &data, sizeof data); term = cmd_recv_string(c->in); - log_debug("identify msg from client: %u,%u", data.sx, data.sy); + log_debug("identify msg from client: %u,%u (%d)", + data.sx, data.sy, data.version); + + if (data.version != PROTOCOL_VERSION) { +#define MSG "protocol version mismatch" + server_write_client(c, MSG_ERROR, MSG, (sizeof MSG) - 1); +#undef MSG + return (0); + } c->sx = data.sx; c->sy = data.sy; |