source: branches/samba-3.5.x/source3/libsmb/clisecdesc.c@ 733

Last change on this file since 733 was 414, checked in by Herwig Bauernfeind, 15 years ago

Samba 3.5.0: Initial import
File size: 3.5 KB
Line 
1/*
2 Unix SMB/CIFS implementation.
3 client security descriptor functions
4 Copyright (C) Andrew Tridgell 2000
5
6 This program is free software; you can redistribute it and/or modify
7 it under the terms of the GNU General Public License as published by
8 the Free Software Foundation; either version 3 of the License, or
9 (at your option) any later version.
10
11 This program is distributed in the hope that it will be useful,
12 but WITHOUT ANY WARRANTY; without even the implied warranty of
13 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
14 GNU General Public License for more details.
15
16 You should have received a copy of the GNU General Public License
17 along with this program. If not, see <http://www.gnu.org/licenses/>.
18*/
19
20#include "includes.h"
21
22/****************************************************************************
23 query the security descriptor for a open file
24 ****************************************************************************/
25SEC_DESC *cli_query_secdesc(struct cli_state *cli, uint16_t fnum,
26 TALLOC_CTX *mem_ctx)
27{
28 uint8_t param[8];
29 uint8_t *rparam=NULL, *rdata=NULL;
30 unsigned int rparam_count=0, rdata_count=0;
31 SEC_DESC *psd = NULL;
32 NTSTATUS status;
33
34 SIVAL(param, 0, fnum);
35 SIVAL(param, 4, 0x7);
36
37 status = cli_trans(talloc_tos(), cli, SMBnttrans,
38 NULL, -1, /* name, fid */
39 NT_TRANSACT_QUERY_SECURITY_DESC, 0, /* function, flags */
40 NULL, 0, 0, /* setup, length, max */
41 param, 8, 4, /* param, length, max */
42 NULL, 0, 0x10000, /* data, length, max */
43 NULL, NULL, /* rsetup, length */
44 &rparam, &rparam_count,
45 &rdata, &rdata_count);
46
47 if (!NT_STATUS_IS_OK(status)) {
48 DEBUG(1, ("NT_TRANSACT_QUERY_SECURITY_DESC failed: %s\n",
49 nt_errstr(status)));
50 goto cleanup;
51 }
52
53 status = unmarshall_sec_desc(mem_ctx, (uint8 *)rdata, rdata_count,
54 &psd);
55
56 if (!NT_STATUS_IS_OK(status)) {
57 DEBUG(10, ("unmarshall_sec_desc failed: %s\n",
58 nt_errstr(status)));
59 goto cleanup;
60 }
61
62 cleanup:
63
64 TALLOC_FREE(rparam);
65 TALLOC_FREE(rdata);
66
67 return psd;
68}
69
70/****************************************************************************
71 set the security descriptor for a open file
72 ****************************************************************************/
73bool cli_set_secdesc(struct cli_state *cli, uint16_t fnum, SEC_DESC *sd)
74{
75 char param[8];
76 char *rparam=NULL, *rdata=NULL;
77 unsigned int rparam_count=0, rdata_count=0;
78 uint32 sec_info = 0;
79 TALLOC_CTX *frame = talloc_stackframe();
80 bool ret = False;
81 uint8 *data;
82 size_t len;
83 NTSTATUS status;
84
85 status = marshall_sec_desc(talloc_tos(), sd, &data, &len);
86 if (!NT_STATUS_IS_OK(status)) {
87 DEBUG(10, ("marshall_sec_desc failed: %s\n",
88 nt_errstr(status)));
89 goto cleanup;
90 }
91
92 SIVAL(param, 0, fnum);
93
94 if (sd->dacl)
95 sec_info |= DACL_SECURITY_INFORMATION;
96 if (sd->owner_sid)
97 sec_info |= OWNER_SECURITY_INFORMATION;
98 if (sd->group_sid)
99 sec_info |= GROUP_SECURITY_INFORMATION;
100 SSVAL(param, 4, sec_info);
101
102 if (!cli_send_nt_trans(cli,
103 NT_TRANSACT_SET_SECURITY_DESC,
104 0,
105 NULL, 0, 0,
106 param, 8, 0,
107 (char *)data, len, 0)) {
108 DEBUG(1,("Failed to send NT_TRANSACT_SET_SECURITY_DESC\n"));
109 goto cleanup;
110 }
111
112
113 if (!cli_receive_nt_trans(cli,
114 &rparam, &rparam_count,
115 &rdata, &rdata_count)) {
116 DEBUG(1,("NT_TRANSACT_SET_SECURITY_DESC failed\n"));
117 goto cleanup;
118 }
119
120 ret = True;
121
122 cleanup:
123
124 SAFE_FREE(rparam);
125 SAFE_FREE(rdata);
126
127 TALLOC_FREE(frame);
128
129 return ret;
130}
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