2 Unix SMB/CIFS implementation.
4 SMB2 client tree handling
6 Copyright (C) Andrew Tridgell 2005
8 This program is free software; you can redistribute it and/or modify
9 it under the terms of the GNU General Public License as published by
10 the Free Software Foundation; either version 2 of the License, or
11 (at your option) any later version.
13 This program is distributed in the hope that it will be useful,
14 but WITHOUT ANY WARRANTY; without even the implied warranty of
15 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
16 GNU General Public License for more details.
18 You should have received a copy of the GNU General Public License
19 along with this program; if not, write to the Free Software
20 Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
24 #include "libcli/raw/libcliraw.h"
25 #include "libcli/smb2/smb2.h"
26 #include "libcli/smb2/smb2_calls.h"
28 #define CREATE_TAG_EA 0x41747845 /* "ExtA" */
29 #define CREATE_TAG_SD 0x6341784D /* "MxAc" */
32 add a blob to a smb2_create attribute blob
34 static NTSTATUS smb2_create_blob_add(TALLOC_CTX *mem_ctx, DATA_BLOB *blob,
36 DATA_BLOB add, BOOL last)
39 uint32_t ofs = blob->length;
40 status = data_blob_realloc(mem_ctx, blob, blob->length + 0x18 + add.length);
41 NT_STATUS_NOT_OK_RETURN(status);
44 SIVAL(blob->data, ofs+0x00, 0);
46 SIVAL(blob->data, ofs+0x00, 0x18 + add.length);
48 SSVAL(blob->data, ofs+0x04, 0x10); /* offset of tag */
49 SIVAL(blob->data, ofs+0x06, 0x04); /* tag length */
50 SSVAL(blob->data, ofs+0x0A, 0x18); /* offset of data */
51 SIVAL(blob->data, ofs+0x0C, add.length);
52 SIVAL(blob->data, ofs+0x10, tag);
53 SIVAL(blob->data, ofs+0x14, 0); /* pad? */
54 memcpy(blob->data+ofs+0x18, add.data, add.length);
62 struct smb2_request *smb2_create_send(struct smb2_tree *tree, struct smb2_create *io)
64 struct smb2_request *req;
66 DATA_BLOB blob = data_blob(NULL, 0);
68 req = smb2_request_init_tree(tree, SMB2_OP_CREATE, 0x38, 1);
69 if (req == NULL) return NULL;
71 SSVAL(req->out.body, 0x02, io->in.oplock_flags);
72 SIVAL(req->out.body, 0x04, io->in.unknown2);
73 SIVAL(req->out.body, 0x08, io->in.unknown3[0]);
74 SIVAL(req->out.body, 0x0C, io->in.unknown3[1]);
75 SIVAL(req->out.body, 0x10, io->in.unknown3[2]);
76 SIVAL(req->out.body, 0x14, io->in.unknown3[3]);
77 SIVAL(req->out.body, 0x18, io->in.access_mask);
78 SIVAL(req->out.body, 0x1C, io->in.file_attr);
79 SIVAL(req->out.body, 0x20, io->in.share_access);
80 SIVAL(req->out.body, 0x24, io->in.open_disposition);
81 SIVAL(req->out.body, 0x28, io->in.create_options);
83 status = smb2_push_o16s16_string(&req->out, 0x2C, io->in.fname);
84 if (!NT_STATUS_IS_OK(status)) {
89 if (io->in.eas.num_eas != 0) {
90 DATA_BLOB b = data_blob_talloc(req, NULL,
91 ea_list_size_chained(io->in.eas.num_eas, io->in.eas.eas));
92 ea_put_list_chained(b.data, io->in.eas.num_eas, io->in.eas.eas);
93 status = smb2_create_blob_add(req, &blob, CREATE_TAG_EA, b, False);
94 if (!NT_STATUS_IS_OK(status)) {
101 if (io->in.sd != NULL) {
103 status = ndr_push_struct_blob(&b, req, io->in.sd,
104 (ndr_push_flags_fn_t)ndr_push_security_descriptor);
105 if (!NT_STATUS_IS_OK(status)) {
109 status = smb2_create_blob_add(req, &blob, CREATE_TAG_SD, b, True);
111 status = smb2_create_blob_add(req, &blob, CREATE_TAG_SD, data_blob(NULL, 0), True);
114 if (!NT_STATUS_IS_OK(status)) {
118 status = smb2_push_o32s32_blob(&req->out, 0x30, blob);
119 if (!NT_STATUS_IS_OK(status)) {
124 smb2_transport_send(req);
133 NTSTATUS smb2_create_recv(struct smb2_request *req, TALLOC_CTX *mem_ctx, struct smb2_create *io)
137 if (!smb2_request_receive(req) ||
138 !smb2_request_is_ok(req)) {
139 return smb2_request_destroy(req);
142 SMB2_CHECK_PACKET_RECV(req, 0x58, True);
144 io->out.oplock_flags = SVAL(req->in.body, 0x02);
145 io->out.create_action = IVAL(req->in.body, 0x04);
146 io->out.create_time = smbcli_pull_nttime(req->in.body, 0x08);
147 io->out.access_time = smbcli_pull_nttime(req->in.body, 0x10);
148 io->out.write_time = smbcli_pull_nttime(req->in.body, 0x18);
149 io->out.change_time = smbcli_pull_nttime(req->in.body, 0x20);
150 io->out.alloc_size = BVAL(req->in.body, 0x28);
151 io->out.size = BVAL(req->in.body, 0x30);
152 io->out.file_attr = IVAL(req->in.body, 0x38);
153 io->out._pad = IVAL(req->in.body, 0x3C);
154 smb2_pull_handle(req->in.body+0x40, &io->out.handle);
155 status = smb2_pull_o32s32_blob(&req->in, mem_ctx, req->in.body+0x50, &io->out.blob);
156 if (!NT_STATUS_IS_OK(status)) {
157 smb2_request_destroy(req);
161 return smb2_request_destroy(req);
167 NTSTATUS smb2_create(struct smb2_tree *tree, TALLOC_CTX *mem_ctx, struct smb2_create *io)
169 struct smb2_request *req = smb2_create_send(tree, io);
170 return smb2_create_recv(req, mem_ctx, io);