summaryrefslogtreecommitdiff
path: root/source4/libcli/raw/clitree.c
blob: cae93bdbe2fb6960dfb70d8ab439c571e2f322a8 (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
/* 
   Unix SMB/CIFS implementation.

   SMB client tree context management functions

   Copyright (C) Andrew Tridgell 1994-2005
   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"
#include "libcli/raw/libcliraw.h"
#include "libcli/composite/composite.h"
#include "libcli/smb_composite/smb_composite.h"

#define SETUP_REQUEST_TREE(cmd, wct, buflen) do { \
	req = smbcli_request_setup(tree, cmd, wct, buflen); \
	if (!req) return NULL; \
} while (0)

/****************************************************************************
 Initialize the tree context
****************************************************************************/
struct smbcli_tree *smbcli_tree_init(struct smbcli_session *session,
				     TALLOC_CTX *parent_ctx, BOOL primary)
{
	struct smbcli_tree *tree;

	tree = talloc_zero(parent_ctx, struct smbcli_tree);
	if (!tree) {
		return NULL;
	}

	if (primary) {
		tree->session = talloc_steal(tree, session);
	} else {
		tree->session = talloc_reference(tree, session);
	}


	return tree;
}

/****************************************************************************
 Send a tconX (async send)
****************************************************************************/
struct smbcli_request *smb_raw_tcon_send(struct smbcli_tree *tree, 
					 union smb_tcon *parms)
{
	struct smbcli_request *req = NULL;

	switch (parms->tcon.level) {
	case RAW_TCON_TCON:
		SETUP_REQUEST_TREE(SMBtcon, 0, 0);
		smbcli_req_append_ascii4(req, parms->tcon.in.service, STR_ASCII);
		smbcli_req_append_ascii4(req, parms->tcon.in.password,STR_ASCII);
		smbcli_req_append_ascii4(req, parms->tcon.in.dev,     STR_ASCII);
		break;

	case RAW_TCON_TCONX:
		SETUP_REQUEST_TREE(SMBtconX, 4, 0);
		SSVAL(req->out.vwv, VWV(0), 0xFF);
		SSVAL(req->out.vwv, VWV(1), 0);
		SSVAL(req->out.vwv, VWV(2), parms->tconx.in.flags);
		SSVAL(req->out.vwv, VWV(3), parms->tconx.in.password.length);
		smbcli_req_append_blob(req, &parms->tconx.in.password);
		smbcli_req_append_string(req, parms->tconx.in.path,   STR_TERMINATE | STR_UPPER);
		smbcli_req_append_string(req, parms->tconx.in.device, STR_TERMINATE | STR_ASCII);
		break;
	}

	if (!smbcli_request_send(req)) {
		smbcli_request_destroy(req);
		return NULL;
	}

	return req;
}

/****************************************************************************
 Send a tconX (async recv)
****************************************************************************/
NTSTATUS smb_raw_tcon_recv(struct smbcli_request *req, TALLOC_CTX *mem_ctx, 
			   union smb_tcon *parms)
{
	uint8_t *p;

	if (!smbcli_request_receive(req) ||
	    smbcli_request_is_error(req)) {
		goto failed;
	}

	switch (parms->tcon.level) {
	case RAW_TCON_TCON:
		SMBCLI_CHECK_WCT(req, 2);
		parms->tcon.out.max_xmit = SVAL(req->in.vwv, VWV(0));
		parms->tcon.out.tid = SVAL(req->in.vwv, VWV(1));
		break;

	case RAW_TCON_TCONX:
		ZERO_STRUCT(parms->tconx.out);
		parms->tconx.out.tid = SVAL(req->in.hdr, HDR_TID);
		if (req->in.wct >= 4) {
			parms->tconx.out.options = SVAL(req->in.vwv, VWV(3));
		}

		/* output is actual service name */
		p = req->in.data;
		if (!p) break;

		p += smbcli_req_pull_string(req, mem_ctx, &parms->tconx.out.dev_type, 
					 p, -1, STR_ASCII | STR_TERMINATE);
		p += smbcli_req_pull_string(req, mem_ctx, &parms->tconx.out.fs_type, 
					 p, -1, STR_TERMINATE);
		break;
	}

failed:
	return smbcli_request_destroy(req);
}

/****************************************************************************
 Send a tconX (sync interface)
****************************************************************************/
NTSTATUS smb_raw_tcon(struct smbcli_tree *tree, TALLOC_CTX *mem_ctx, 
		      union smb_tcon *parms)
{
	struct smbcli_request *req = smb_raw_tcon_send(tree, parms);
	return smb_raw_tcon_recv(req, mem_ctx, parms);
}


/****************************************************************************
 Send a tree disconnect.
****************************************************************************/
NTSTATUS smb_tree_disconnect(struct smbcli_tree *tree)
{
	struct smbcli_request *req;

	if (!tree) return NT_STATUS_OK;
	req = smbcli_request_setup(tree, SMBtdis, 0, 0);

	if (smbcli_request_send(req)) {
		(void) smbcli_request_receive(req);
	}
	return smbcli_request_destroy(req);
}


/*
  a convenient function to establish a smbcli_tree from scratch
*/
NTSTATUS smbcli_tree_full_connection(TALLOC_CTX *parent_ctx,
				     struct smbcli_tree **ret_tree, 
				     const char *dest_host, int port,
				     const char *service, const char *service_type,
				     struct cli_credentials *credentials,
				     struct event_context *ev)
{
	struct smb_composite_connect io;
	NTSTATUS status;

	io.in.dest_host = dest_host;
	io.in.port = port;
	io.in.called_name = strupper_talloc(parent_ctx, dest_host);
	io.in.service = service;
	io.in.service_type = service_type;
	io.in.credentials = credentials;
	io.in.workgroup = lp_workgroup();
	
	status = smb_composite_connect(&io, parent_ctx, ev);
	if (NT_STATUS_IS_OK(status)) {
		*ret_tree = io.out.tree;
	}

	return status;
}