1 /*
2 * CDDL HEADER START
3 *
4 * The contents of this file are subject to the terms of the
5 * Common Development and Distribution License (the "License").
6 * You may not use this file except in compliance with the License.
7 *
8 * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
9 * or http://www.opensolaris.org/os/licensing.
10 * See the License for the specific language governing permissions
11 * and limitations under the License.
12 *
13 * When distributing Covered Code, include this CDDL HEADER in each
14 * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
15 * If applicable, add the following below this CDDL HEADER, with the
16 * fields enclosed by brackets "[]" replaced with your own identifying
17 * information: Portions Copyright [yyyy] [name of copyright owner]
18 *
19 * CDDL HEADER END
20 */
21 /*
22 * Copyright (c) 2007, 2010, Oracle and/or its affiliates. All rights reserved.
23 */
24
25 #include <smbsrv/smb_kproto.h>
26
27 #define SMB_CREATE_NAMEBUF_SZ 16
28
29 /*
30 * Create a new file, or truncate an existing file to zero length,
31 * open the file and return a fid. The file is specified using a
32 * fully qualified name relative to the tree.
33 */
34 smb_sdrc_t
smb_pre_create(smb_request_t * sr)35 smb_pre_create(smb_request_t *sr)
36 {
37 struct open_param *op = &sr->arg.open;
38 int rc;
39
40 bzero(op, sizeof (sr->arg.open));
41
42 rc = smbsr_decode_vwv(sr, "wl", &op->dattr, &op->mtime.tv_sec);
43 if (rc == 0)
44 rc = smbsr_decode_data(sr, "%S", sr, &op->fqi.fq_path.pn_path);
45
46 op->create_disposition = FILE_OVERWRITE_IF;
47 op->create_options = FILE_NON_DIRECTORY_FILE;
48
49 DTRACE_SMB_2(op__Create__start, smb_request_t *, sr,
50 struct open_param *, op);
51
52 return ((rc == 0) ? SDRC_SUCCESS : SDRC_ERROR);
53 }
54
55 void
smb_post_create(smb_request_t * sr)56 smb_post_create(smb_request_t *sr)
57 {
58 DTRACE_SMB_1(op__Create__done, smb_request_t *, sr);
59 }
60
61 smb_sdrc_t
smb_com_create(smb_request_t * sr)62 smb_com_create(smb_request_t *sr)
63 {
64 if (smb_common_create(sr) != NT_STATUS_SUCCESS)
65 return (SDRC_ERROR);
66
67 if (smbsr_encode_result(sr, 1, 0, "bww", 1, sr->smb_fid, 0))
68 return (SDRC_ERROR);
69
70 return (SDRC_SUCCESS);
71 }
72
73 /*
74 * Create a new file and return a fid. The file is specified using
75 * a fully qualified name relative to the tree.
76 */
77 smb_sdrc_t
smb_pre_create_new(smb_request_t * sr)78 smb_pre_create_new(smb_request_t *sr)
79 {
80 struct open_param *op = &sr->arg.open;
81 int rc;
82
83 bzero(op, sizeof (sr->arg.open));
84
85 rc = smbsr_decode_vwv(sr, "wl", &op->dattr, &op->mtime.tv_sec);
86 if (rc == 0)
87 rc = smbsr_decode_data(sr, "%S", sr, &op->fqi.fq_path.pn_path);
88
89 op->create_disposition = FILE_CREATE;
90
91 DTRACE_SMB_2(op__CreateNew__start, smb_request_t *, sr,
92 struct open_param *, op);
93
94 return ((rc == 0) ? SDRC_SUCCESS : SDRC_ERROR);
95 }
96
97 void
smb_post_create_new(smb_request_t * sr)98 smb_post_create_new(smb_request_t *sr)
99 {
100 DTRACE_SMB_1(op__CreateNew__done, smb_request_t *, sr);
101 }
102
103 smb_sdrc_t
smb_com_create_new(smb_request_t * sr)104 smb_com_create_new(smb_request_t *sr)
105 {
106 if (smb_common_create(sr) != NT_STATUS_SUCCESS)
107 return (SDRC_ERROR);
108
109 if (smbsr_encode_result(sr, 1, 0, "bww", 1, sr->smb_fid, 0))
110 return (SDRC_ERROR);
111
112 return (SDRC_SUCCESS);
113 }
114
115 /*
116 * Create a unique file in the specified directory relative to the
117 * current tree. No attributes are specified.
118 */
119 smb_sdrc_t
smb_pre_create_temporary(smb_request_t * sr)120 smb_pre_create_temporary(smb_request_t *sr)
121 {
122 struct open_param *op = &sr->arg.open;
123 uint16_t reserved;
124 int rc;
125
126 bzero(op, sizeof (sr->arg.open));
127
128 rc = smbsr_decode_vwv(sr, "wl", &reserved, &op->mtime.tv_sec);
129 if (rc == 0)
130 rc = smbsr_decode_data(sr, "%S", sr, &op->fqi.fq_path.pn_path);
131
132 op->create_disposition = FILE_CREATE;
133
134 DTRACE_SMB_2(op__CreateTemporary__start, smb_request_t *, sr,
135 struct open_param *, op);
136
137 return ((rc == 0) ? SDRC_SUCCESS : SDRC_ERROR);
138 }
139
140 void
smb_post_create_temporary(smb_request_t * sr)141 smb_post_create_temporary(smb_request_t *sr)
142 {
143 DTRACE_SMB_1(op__CreateTemporary__done, smb_request_t *, sr);
144 }
145
146 smb_sdrc_t
smb_com_create_temporary(smb_request_t * sr)147 smb_com_create_temporary(smb_request_t *sr)
148 {
149 static uint16_t tmp_id = 10000;
150 struct open_param *op = &sr->arg.open;
151 char name[SMB_CREATE_NAMEBUF_SZ];
152 char *buf;
153 uint16_t bcc;
154
155 ++tmp_id;
156 bcc = 1; /* null terminator */
157 bcc += snprintf(name, SMB_CREATE_NAMEBUF_SZ, "tt%05d.tmp", tmp_id);
158
159 buf = smb_srm_zalloc(sr, MAXPATHLEN);
160 (void) snprintf(buf, MAXPATHLEN, "%s\\%s",
161 op->fqi.fq_path.pn_path, name);
162 op->fqi.fq_path.pn_path = buf;
163
164 if (smb_common_create(sr) != NT_STATUS_SUCCESS)
165 return (SDRC_ERROR);
166
167 if (smbsr_encode_result(sr, 1, VAR_BCC, "bww%S", 1, sr->smb_fid,
168 VAR_BCC, sr, name))
169 return (SDRC_ERROR);
170
171 return (SDRC_SUCCESS);
172 }
173
174 /*
175 * Common create file function. The file is opened in compatibility
176 * mode with read/write access.
177 */
178 uint32_t
smb_common_create(smb_request_t * sr)179 smb_common_create(smb_request_t *sr)
180 {
181 struct open_param *op = &sr->arg.open;
182 uint32_t status;
183
184 if ((op->mtime.tv_sec != 0) && (op->mtime.tv_sec != UINT_MAX))
185 op->mtime.tv_sec = smb_time_local_to_gmt(sr, op->mtime.tv_sec);
186 op->mtime.tv_nsec = 0;
187 op->dsize = 0;
188 op->omode = SMB_DA_ACCESS_READ_WRITE | SMB_DA_SHARE_COMPATIBILITY;
189 op->desired_access = smb_omode_to_amask(op->omode);
190 op->share_access = smb_denymode_to_sharemode(op->omode,
191 op->fqi.fq_path.pn_path);
192
193 if (sr->smb_flg & SMB_FLAGS_OPLOCK) {
194 if (sr->smb_flg & SMB_FLAGS_OPLOCK_NOTIFY_ANY)
195 op->op_oplock_level = SMB_OPLOCK_BATCH;
196 else
197 op->op_oplock_level = SMB_OPLOCK_EXCLUSIVE;
198 } else {
199 op->op_oplock_level = SMB_OPLOCK_NONE;
200 }
201 op->op_oplock_levelII = B_FALSE;
202
203 status = smb_common_open(sr);
204
205 if (op->op_oplock_level == SMB_OPLOCK_NONE) {
206 sr->smb_flg &=
207 ~(SMB_FLAGS_OPLOCK | SMB_FLAGS_OPLOCK_NOTIFY_ANY);
208 }
209
210 return (status);
211 }
212