source: branches/samba-3.5.x/source4/libcli/smb2/find.c

Last change on this file was 414, checked in by Herwig Bauernfeind, 15 years ago

Samba 3.5.0: Initial import
File size: 4.4 KB
Line 
1/*
2 Unix SMB/CIFS implementation.
3
4 SMB2 client find calls
5
6 Copyright (C) Andrew Tridgell 2005
7
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 3 of the License, or
11 (at your option) any later version.
12
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.
17
18 You should have received a copy of the GNU General Public License
19 along with this program. If not, see <http://www.gnu.org/licenses/>.
20*/
21
22#include "includes.h"
23#include "libcli/raw/libcliraw.h"
24#include "libcli/raw/raw_proto.h"
25#include "libcli/smb2/smb2.h"
26#include "libcli/smb2/smb2_calls.h"
27
28/*
29 send a find request
30*/
31struct smb2_request *smb2_find_send(struct smb2_tree *tree, struct smb2_find *io)
32{
33 struct smb2_request *req;
34 NTSTATUS status;
35
36 req = smb2_request_init_tree(tree, SMB2_OP_FIND, 0x20, true, 0);
37 if (req == NULL) return NULL;
38
39 SCVAL(req->out.body, 0x02, io->in.level);
40 SCVAL(req->out.body, 0x03, io->in.continue_flags);
41 SIVAL(req->out.body, 0x04, io->in.file_index);
42 smb2_push_handle(req->out.body+0x08, &io->in.file.handle);
43
44 status = smb2_push_o16s16_string(&req->out, 0x18, io->in.pattern);
45 if (!NT_STATUS_IS_OK(status)) {
46 talloc_free(req);
47 return NULL;
48 }
49
50 SIVAL(req->out.body, 0x1C, io->in.max_response_size);
51
52 smb2_transport_send(req);
53
54 return req;
55}
56
57
58/*
59 recv a find reply
60*/
61NTSTATUS smb2_find_recv(struct smb2_request *req, TALLOC_CTX *mem_ctx,
62 struct smb2_find *io)
63{
64 NTSTATUS status;
65
66 if (!smb2_request_receive(req) ||
67 smb2_request_is_error(req)) {
68 return smb2_request_destroy(req);
69 }
70
71 SMB2_CHECK_PACKET_RECV(req, 0x08, true);
72
73 status = smb2_pull_o16s32_blob(&req->in, mem_ctx,
74 req->in.body+0x02, &io->out.blob);
75 if (!NT_STATUS_IS_OK(status)) {
76 return status;
77 }
78
79 return smb2_request_destroy(req);
80}
81
82/*
83 sync find request
84*/
85NTSTATUS smb2_find(struct smb2_tree *tree, TALLOC_CTX *mem_ctx,
86 struct smb2_find *io)
87{
88 struct smb2_request *req = smb2_find_send(tree, io);
89 return smb2_find_recv(req, mem_ctx, io);
90}
91
92
93/*
94 a varient of smb2_find_recv that parses the resulting blob into
95 smb_search_data structures
96*/
97NTSTATUS smb2_find_level_recv(struct smb2_request *req, TALLOC_CTX *mem_ctx,
98 uint8_t level, uint_t *count,
99 union smb_search_data **io)
100{
101 struct smb2_find f;
102 NTSTATUS status;
103 DATA_BLOB b;
104 enum smb_search_data_level smb_level;
105 uint_t next_ofs=0;
106
107 switch (level) {
108 case SMB2_FIND_DIRECTORY_INFO:
109 smb_level = RAW_SEARCH_DATA_DIRECTORY_INFO;
110 break;
111 case SMB2_FIND_FULL_DIRECTORY_INFO:
112 smb_level = RAW_SEARCH_DATA_FULL_DIRECTORY_INFO;
113 break;
114 case SMB2_FIND_BOTH_DIRECTORY_INFO:
115 smb_level = RAW_SEARCH_DATA_BOTH_DIRECTORY_INFO;
116 break;
117 case SMB2_FIND_NAME_INFO:
118 smb_level = RAW_SEARCH_DATA_NAME_INFO;
119 break;
120 case SMB2_FIND_ID_FULL_DIRECTORY_INFO:
121 smb_level = RAW_SEARCH_DATA_ID_FULL_DIRECTORY_INFO;
122 break;
123 case SMB2_FIND_ID_BOTH_DIRECTORY_INFO:
124 smb_level = RAW_SEARCH_DATA_ID_BOTH_DIRECTORY_INFO;
125 break;
126 default:
127 return NT_STATUS_INVALID_INFO_CLASS;
128 }
129
130 status = smb2_find_recv(req, mem_ctx, &f);
131 NT_STATUS_NOT_OK_RETURN(status);
132
133 b = f.out.blob;
134 *io = NULL;
135 *count = 0;
136
137 do {
138 union smb_search_data *io2;
139
140 io2 = talloc_realloc(mem_ctx, *io, union smb_search_data, (*count)+1);
141 if (io2 == NULL) {
142 data_blob_free(&f.out.blob);
143 talloc_free(*io);
144 return NT_STATUS_NO_MEMORY;
145 }
146 *io = io2;
147
148 status = smb_raw_search_common(*io, smb_level, &b, (*io) + (*count),
149 &next_ofs, STR_UNICODE);
150
151 if (NT_STATUS_IS_OK(status) &&
152 next_ofs >= b.length) {
153 data_blob_free(&f.out.blob);
154 talloc_free(*io);
155 return NT_STATUS_INFO_LENGTH_MISMATCH;
156 }
157
158 (*count)++;
159
160 b = data_blob_const(b.data+next_ofs, b.length - next_ofs);
161 } while (NT_STATUS_IS_OK(status) && next_ofs != 0);
162
163 data_blob_free(&f.out.blob);
164
165 return NT_STATUS_OK;
166}
167
168/*
169 a varient of smb2_find that parses the resulting blob into
170 smb_search_data structures
171*/
172NTSTATUS smb2_find_level(struct smb2_tree *tree, TALLOC_CTX *mem_ctx,
173 struct smb2_find *f,
174 uint_t *count, union smb_search_data **io)
175{
176 struct smb2_request *req;
177
178 req = smb2_find_send(tree, f);
179 return smb2_find_level_recv(req, mem_ctx, f->in.level, count, io);
180}
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