source: vendor/3.6.0/source4/libcli/raw/clitree.c

Last change on this file was 740, checked in by Silvan Scherrer, 13 years ago

Samba Server: update vendor to 3.6.0
File size: 6.6 KB
Line 
1/*
2 Unix SMB/CIFS implementation.
3
4 SMB client tree context management functions
5
6 Copyright (C) Andrew Tridgell 1994-2005
7 Copyright (C) James Myers 2003 <myersjj@samba.org>
8
9 This program is free software; you can redistribute it and/or modify
10 it under the terms of the GNU General Public License as published by
11 the Free Software Foundation; either version 3 of the License, or
12 (at your option) any later version.
13
14 This program is distributed in the hope that it will be useful,
15 but WITHOUT ANY WARRANTY; without even the implied warranty of
16 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
17 GNU General Public License for more details.
18
19 You should have received a copy of the GNU General Public License
20 along with this program. If not, see <http://www.gnu.org/licenses/>.
21*/
22
23#include "includes.h"
24#include "libcli/raw/libcliraw.h"
25#include "libcli/raw/raw_proto.h"
26#include "libcli/smb_composite/smb_composite.h"
27
28#define SETUP_REQUEST_TREE(cmd, wct, buflen) do { \
29 req = smbcli_request_setup(tree, cmd, wct, buflen); \
30 if (!req) return NULL; \
31} while (0)
32
33/****************************************************************************
34 Initialize the tree context
35****************************************************************************/
36_PUBLIC_ struct smbcli_tree *smbcli_tree_init(struct smbcli_session *session,
37 TALLOC_CTX *parent_ctx, bool primary)
38{
39 struct smbcli_tree *tree;
40
41 tree = talloc_zero(parent_ctx, struct smbcli_tree);
42 if (!tree) {
43 return NULL;
44 }
45
46 if (primary) {
47 tree->session = talloc_steal(tree, session);
48 } else {
49 tree->session = talloc_reference(tree, session);
50 }
51
52
53 return tree;
54}
55
56/****************************************************************************
57 Send a tconX (async send)
58****************************************************************************/
59struct smbcli_request *smb_raw_tcon_send(struct smbcli_tree *tree,
60 union smb_tcon *parms)
61{
62 struct smbcli_request *req = NULL;
63
64 switch (parms->tcon.level) {
65 case RAW_TCON_TCON:
66 SETUP_REQUEST_TREE(SMBtcon, 0, 0);
67 smbcli_req_append_ascii4(req, parms->tcon.in.service, STR_ASCII);
68 smbcli_req_append_ascii4(req, parms->tcon.in.password,STR_ASCII);
69 smbcli_req_append_ascii4(req, parms->tcon.in.dev, STR_ASCII);
70 break;
71
72 case RAW_TCON_TCONX:
73 SETUP_REQUEST_TREE(SMBtconX, 4, 0);
74 SSVAL(req->out.vwv, VWV(0), 0xFF);
75 SSVAL(req->out.vwv, VWV(1), 0);
76 SSVAL(req->out.vwv, VWV(2), parms->tconx.in.flags);
77 SSVAL(req->out.vwv, VWV(3), parms->tconx.in.password.length);
78 smbcli_req_append_blob(req, &parms->tconx.in.password);
79 smbcli_req_append_string(req, parms->tconx.in.path, STR_TERMINATE | STR_UPPER);
80 smbcli_req_append_string(req, parms->tconx.in.device, STR_TERMINATE | STR_ASCII);
81 break;
82
83 case RAW_TCON_SMB2:
84 return NULL;
85 }
86
87 if (!smbcli_request_send(req)) {
88 smbcli_request_destroy(req);
89 return NULL;
90 }
91
92 return req;
93}
94
95/****************************************************************************
96 Send a tconX (async recv)
97****************************************************************************/
98NTSTATUS smb_raw_tcon_recv(struct smbcli_request *req, TALLOC_CTX *mem_ctx,
99 union smb_tcon *parms)
100{
101 uint8_t *p;
102
103 if (!smbcli_request_receive(req) ||
104 smbcli_request_is_error(req)) {
105 goto failed;
106 }
107
108 switch (parms->tcon.level) {
109 case RAW_TCON_TCON:
110 SMBCLI_CHECK_WCT(req, 2);
111 parms->tcon.out.max_xmit = SVAL(req->in.vwv, VWV(0));
112 parms->tcon.out.tid = SVAL(req->in.vwv, VWV(1));
113 break;
114
115 case RAW_TCON_TCONX:
116 ZERO_STRUCT(parms->tconx.out);
117 parms->tconx.out.tid = SVAL(req->in.hdr, HDR_TID);
118 if (req->in.wct >= 4) {
119 parms->tconx.out.options = SVAL(req->in.vwv, VWV(3));
120 }
121
122 /* output is actual service name */
123 p = req->in.data;
124 if (!p) break;
125
126 p += smbcli_req_pull_string(&req->in.bufinfo, mem_ctx, &parms->tconx.out.dev_type,
127 p, -1, STR_ASCII | STR_TERMINATE);
128 p += smbcli_req_pull_string(&req->in.bufinfo, mem_ctx, &parms->tconx.out.fs_type,
129 p, -1, STR_TERMINATE);
130 break;
131
132 case RAW_TCON_SMB2:
133 req->status = NT_STATUS_INTERNAL_ERROR;
134 break;
135 }
136
137failed:
138 return smbcli_request_destroy(req);
139}
140
141/****************************************************************************
142 Send a tconX (sync interface)
143****************************************************************************/
144_PUBLIC_ NTSTATUS smb_raw_tcon(struct smbcli_tree *tree, TALLOC_CTX *mem_ctx,
145 union smb_tcon *parms)
146{
147 struct smbcli_request *req = smb_raw_tcon_send(tree, parms);
148 return smb_raw_tcon_recv(req, mem_ctx, parms);
149}
150
151
152/****************************************************************************
153 Send a tree disconnect.
154****************************************************************************/
155_PUBLIC_ NTSTATUS smb_tree_disconnect(struct smbcli_tree *tree)
156{
157 struct smbcli_request *req;
158
159 if (!tree) return NT_STATUS_OK;
160 req = smbcli_request_setup(tree, SMBtdis, 0, 0);
161
162 if (smbcli_request_send(req)) {
163 (void) smbcli_request_receive(req);
164 }
165 return smbcli_request_destroy(req);
166}
167
168
169/*
170 a convenient function to establish a smbcli_tree from scratch
171*/
172NTSTATUS smbcli_tree_full_connection(TALLOC_CTX *parent_ctx,
173 struct smbcli_tree **ret_tree,
174 const char *dest_host, const char **dest_ports,
175 const char *service, const char *service_type,
176 const char *socket_options,
177 struct cli_credentials *credentials,
178 struct resolve_context *resolve_ctx,
179 struct tevent_context *ev,
180 struct smbcli_options *options,
181 struct smbcli_session_options *session_options,
182 struct gensec_settings *gensec_settings)
183{
184 struct smb_composite_connect io;
185 NTSTATUS status;
186 TALLOC_CTX *tmp_ctx = talloc_new(parent_ctx);
187 if (!tmp_ctx) {
188 return NT_STATUS_NO_MEMORY;
189 }
190
191 io.in.dest_host = dest_host;
192 io.in.dest_ports = dest_ports;
193 io.in.socket_options = socket_options;
194 io.in.called_name = strupper_talloc(tmp_ctx, dest_host);
195 io.in.service = service;
196 io.in.service_type = service_type;
197 io.in.credentials = credentials;
198 io.in.gensec_settings = gensec_settings;
199 io.in.fallback_to_anonymous = false;
200
201 /* This workgroup gets sent out by the SPNEGO session setup.
202 * I don't know of any servers that look at it, so we
203 * hardcode it to "". */
204 io.in.workgroup = "";
205 io.in.options = *options;
206 io.in.session_options = *session_options;
207
208 status = smb_composite_connect(&io, parent_ctx, resolve_ctx, ev);
209 if (NT_STATUS_IS_OK(status)) {
210 *ret_tree = io.out.tree;
211 }
212 talloc_free(tmp_ctx);
213 return status;
214}
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