From 85332eb1c721d585e1a33101bddafdca4073e10f Mon Sep 17 00:00:00 2001 From: Stefan Metzmacher Date: Mon, 12 Sep 2011 07:13:56 +0200 Subject: s3:libsmb: check the wct of the incoming SMBnegprot responses metze Autobuild-User: Stefan Metzmacher Autobuild-Date: Mon Sep 12 20:50:27 CEST 2011 on sn-devel-104 --- source3/libsmb/cliconnect.c | 10 ++++++++++ 1 file changed, 10 insertions(+) (limited to 'source3') diff --git a/source3/libsmb/cliconnect.c b/source3/libsmb/cliconnect.c index fd0536cb6f..e0d2419ab6 100644 --- a/source3/libsmb/cliconnect.c +++ b/source3/libsmb/cliconnect.c @@ -2640,6 +2640,11 @@ static void cli_negprot_done(struct tevent_req *subreq) struct timespec ts; bool negotiated_smb_signing = false; + if (wct != 0x11) { + tevent_req_nterror(req, NT_STATUS_INVALID_NETWORK_RESPONSE); + return; + } + /* NT protocol */ cli->sec_mode = CVAL(vwv + 1, 0); cli->max_mux = SVAL(vwv + 1, 1); @@ -2700,6 +2705,11 @@ static void cli_negprot_done(struct tevent_req *subreq) } } else if (cli_state_protocol(cli) >= PROTOCOL_LANMAN1) { + if (wct != 0x0D) { + tevent_req_nterror(req, NT_STATUS_INVALID_NETWORK_RESPONSE); + return; + } + cli->use_spnego = False; cli->sec_mode = SVAL(vwv + 1, 0); cli->max_xmit = SVAL(vwv + 2, 0); -- cgit