first public release of samba4 code

(This used to be commit b0510b5428b3461aeb9bbe3cc95f62fc73e2b97f)

1 files changed, 157 insertions, 0 deletions

diff --git a/source4/libcli/raw/rawnegotiate.c b/source4/libcli/raw/rawnegotiate.c
new file mode 100644
index 00000000000..78b2e007069
--- /dev/null
+++ b/source4/libcli/raw/rawnegotiate.c
@@ -0,0 +1,157 @@
+/* 
+   Unix SMB/CIFS implementation.
+   SMB client negotiate context management functions
+   Copyright (C) Andrew Tridgell 1994-1998
+   Copyright (C) James Myers 2003 <myersjj@samba.org>
+   
+   This program is free software; you can redistribute it and/or modify
+   it under the terms of the GNU General Public License as published by
+   the Free Software Foundation; either version 2 of the License, or
+   (at your option) any later version.
+   
+   This program is distributed in the hope that it will be useful,
+   but WITHOUT ANY WARRANTY; without even the implied warranty of
+   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+   GNU General Public License for more details.
+   
+   You should have received a copy of the GNU General Public License
+   along with this program; if not, write to the Free Software
+   Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
+*/
+
+#include "includes.h"
+
+static const struct {
+	int prot;
+	const char *name;
+} prots[] = {
+	{PROTOCOL_CORE,"PC NETWORK PROGRAM 1.0"},
+	{PROTOCOL_COREPLUS,"MICROSOFT NETWORKS 1.03"},
+	{PROTOCOL_LANMAN1,"MICROSOFT NETWORKS 3.0"},
+	{PROTOCOL_LANMAN1,"LANMAN1.0"},
+	{PROTOCOL_LANMAN1,"Windows for Workgroups 3.1a"},
+	{PROTOCOL_LANMAN2,"LM1.2X002"},
+	{PROTOCOL_LANMAN2,"DOS LANMAN2.1"},
+	{PROTOCOL_LANMAN2,"Samba"},
+	{PROTOCOL_NT1,"NT LANMAN 1.0"},
+	{PROTOCOL_NT1,"NT LM 0.12"},
+};
+
+/****************************************************************************
+ Send a negprot command.
+****************************************************************************/
+struct cli_request *smb_negprot_send(struct cli_transport *transport, int maxprotocol)
+{
+	struct cli_request *req;
+	int i;
+
+	req = cli_request_setup_transport(transport, SMBnegprot, 0, 0);
+	if (!req) {
+		return NULL;
+	}
+
+	/* setup the protocol strings */
+	for (i=0; i < ARRAY_SIZE(prots) && prots[i].prot <= maxprotocol; i++) {
+		cli_req_append_bytes(req, "\2", 1);
+		cli_req_append_string(req, prots[i].name, STR_TERMINATE | STR_ASCII);
+	}
+
+	if (!cli_request_send(req)) {
+		cli_request_destroy(req);
+		return NULL;
+	}
+
+	return req;
+}
+
+/****************************************************************************
+ Send a negprot command.
+****************************************************************************/
+NTSTATUS smb_raw_negotiate(struct cli_transport *transport) 
+{
+	struct cli_request *req;
+	int protocol;
+
+	req = smb_negprot_send(transport, PROTOCOL_NT1);
+	if (!req) {
+		return NT_STATUS_UNSUCCESSFUL;
+	}
+
+	if (!cli_request_receive(req) ||
+	    cli_request_is_error(req)) {
+		return cli_request_destroy(req);
+	}
+
+	CLI_CHECK_MIN_WCT(req, 1);
+
+	protocol = SVALS(req->in.vwv, VWV(0));
+
+	if (protocol >= ARRAY_SIZE(prots) || protocol < 0) {
+		req->status = NT_STATUS_UNSUCCESSFUL;
+		return cli_request_destroy(req);
+	}
+
+	transport->negotiate.protocol = prots[protocol].prot;
+
+	if (transport->negotiate.protocol >= PROTOCOL_NT1) {
+		NTTIME ntt;
+
+		/* NT protocol */
+		CLI_CHECK_WCT(req, 17);
+		transport->negotiate.sec_mode = CVAL(req->in.vwv,VWV(1));
+		transport->negotiate.max_mux  = SVAL(req->in.vwv,VWV(1)+1);
+		transport->negotiate.max_xmit = IVAL(req->in.vwv,VWV(3)+1);
+		transport->negotiate.sesskey  = IVAL(req->in.vwv,VWV(7)+1);
+		transport->negotiate.server_zone = SVALS(req->in.vwv,VWV(15)+1) * 60;
+
+		/* this time arrives in real GMT */
+		ntt = cli_pull_nttime(req->in.vwv, VWV(11)+1);
+		transport->negotiate.server_time = nt_time_to_unix(&ntt);
+		transport->negotiate.capabilities = IVAL(req->in.vwv,VWV(9)+1);
+
+		transport->negotiate.secblob = cli_req_pull_blob(req, transport->mem_ctx, req->in.data, req->in.data_size);
+		if (transport->negotiate.capabilities & CAP_RAW_MODE) {
+			transport->negotiate.readbraw_supported = True;
+			transport->negotiate.writebraw_supported = True;
+		}
+
+		/* work out if they sent us a workgroup */
+		if ((transport->negotiate.capabilities & CAP_EXTENDED_SECURITY) &&
+		    req->in.data_size > 16) {
+			cli_req_pull_string(req, transport->mem_ctx, &transport->negotiate.server_domain,
+					    req->in.data+16,
+					    req->in.data_size-16, STR_UNICODE|STR_NOALIGN);
+		}
+	} else if (transport->negotiate.protocol >= PROTOCOL_LANMAN1) {
+		CLI_CHECK_WCT(req, 13);
+		transport->negotiate.sec_mode = SVAL(req->in.vwv,VWV(1));
+		transport->negotiate.max_xmit = SVAL(req->in.vwv,VWV(2));
+		transport->negotiate.sesskey =  IVAL(req->in.vwv,VWV(6));
+		transport->negotiate.server_zone = SVALS(req->in.vwv,VWV(10)) * 60;
+		
+		/* this time is converted to GMT by make_unix_date */
+		transport->negotiate.server_time = make_unix_date(req->in.vwv+VWV(8));
+		if ((SVAL(req->in.vwv,VWV(5)) & 0x1)) {
+			transport->negotiate.readbraw_supported = 1;
+		}
+		if ((SVAL(req->in.vwv,VWV(5)) & 0x2)) {
+			transport->negotiate.writebraw_supported = 1;
+		}
+		transport->negotiate.secblob = cli_req_pull_blob(req, transport->mem_ctx, 
+								 req->in.data, req->in.data_size);
+	} else {
+		/* the old core protocol */
+		transport->negotiate.sec_mode = 0;
+		transport->negotiate.server_time = time(NULL);
+		transport->negotiate.max_xmit = ~0;
+		transport->negotiate.server_zone = TimeDiff(time(NULL));
+	}
+
+	/* a way to force ascii SMB */
+	if (getenv("CLI_FORCE_ASCII")) {
+		transport->negotiate.capabilities &= ~CAP_UNICODE;
+	}
+
+failed:
+	return cli_request_destroy(req);
+}