source4/libcli/raw/rawacl.c

   1 /*
   2    Unix SMB/CIFS implementation.
   3    ACL get/set operations
   4
   5    Copyright (C) Andrew Tridgell 2003-2004
   6
   7    This program is free software; you can redistribute it and/or modify
   8    it under the terms of the GNU General Public License as published by
   9    the Free Software Foundation; either version 3 of the License, or
  10    (at your option) any later version.
  11
  12    This program is distributed in the hope that it will be useful,
  13    but WITHOUT ANY WARRANTY; without even the implied warranty of
  14    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  15    GNU General Public License for more details.
  16
  17    You should have received a copy of the GNU General Public License
  18    along with this program.  If not, see <http://www.gnu.org/licenses/>.
  19 */
  20
  21 #include "includes.h"
  22 #include "libcli/raw/libcliraw.h"
  23 #include "libcli/raw/raw_proto.h"
  24 #include "librpc/gen_ndr/ndr_security.h"
  25
  26 /****************************************************************************
  27 fetch file ACL (async send)
  28 ****************************************************************************/
  29 struct smbcli_request *smb_raw_query_secdesc_send(struct smbcli_tree *tree,
  30                                                   union smb_fileinfo *io)
  31 {
  32         struct smb_nttrans nt;
  33         uint8_t params[8];
  34
  35         nt.in.max_setup = 0;
  36         nt.in.max_param = 4;
  37         nt.in.max_data = 0xFFFF;
  38         nt.in.setup_count = 0;
  39         nt.in.function = NT_TRANSACT_QUERY_SECURITY_DESC;
  40         nt.in.setup = NULL;
  41
  42         SSVAL(params, 0, io->query_secdesc.in.file.fnum);
  43         SSVAL(params, 2, 0); /* padding */
  44         SIVAL(params, 4, io->query_secdesc.in.secinfo_flags);
  45
  46         nt.in.params.data = params;
  47         nt.in.params.length = 8;
  48
  49         nt.in.data = data_blob(NULL, 0);
  50
  51         return smb_raw_nttrans_send(tree, &nt);
  52 }
  53
  54
  55 /****************************************************************************
  56 fetch file ACL (async recv)
  57 ****************************************************************************/
  58 NTSTATUS smb_raw_query_secdesc_recv(struct smbcli_request *req,
  59                                     TALLOC_CTX *mem_ctx,
  60                                     union smb_fileinfo *io)
  61 {
  62         NTSTATUS status;
  63         struct smb_nttrans nt;
  64         struct ndr_pull *ndr;
  65         enum ndr_err_code ndr_err;
  66
  67         status = smb_raw_nttrans_recv(req, mem_ctx, &nt);
  68         if (!NT_STATUS_IS_OK(status)) {
  69                 return status;
  70         }
  71
  72         /* check that the basics are valid */
  73         if (nt.out.params.length != 4 ||
  74             IVAL(nt.out.params.data, 0) > nt.out.data.length) {
  75                 return NT_STATUS_INVALID_PARAMETER;
  76         }
  77
  78         nt.out.data.length = IVAL(nt.out.params.data, 0);
  79
  80         ndr = ndr_pull_init_blob(&nt.out.data, mem_ctx);
  81         if (!ndr) {
  82                 return NT_STATUS_INVALID_PARAMETER;
  83         }
  84
  85         io->query_secdesc.out.sd = talloc(mem_ctx, struct security_descriptor);
  86         if (!io->query_secdesc.out.sd) {
  87                 return NT_STATUS_NO_MEMORY;
  88         }
  89         ndr_err = ndr_pull_security_descriptor(ndr, NDR_SCALARS|NDR_BUFFERS,
  90                                                io->query_secdesc.out.sd);
  91         if (!NDR_ERR_CODE_IS_SUCCESS(ndr_err)) {
  92                 return ndr_map_error2ntstatus(ndr_err);
  93         }
  94
  95         return NT_STATUS_OK;
  96 }
  97
  98
  99 /****************************************************************************
 100 fetch file ACL (sync interface)
 101 ****************************************************************************/
 102 NTSTATUS smb_raw_query_secdesc(struct smbcli_tree *tree,
 103                                TALLOC_CTX *mem_ctx,
 104                                union smb_fileinfo *io)
 105 {
 106         struct smbcli_request *req = smb_raw_query_secdesc_send(tree, io);
 107         return smb_raw_query_secdesc_recv(req, mem_ctx, io);
 108 }
 109
 110
 111
 112 /****************************************************************************
 113 set file ACL (async send)
 114 ****************************************************************************/
 115 struct smbcli_request *smb_raw_set_secdesc_send(struct smbcli_tree *tree,
 116                                                 union smb_setfileinfo *io)
 117 {
 118         struct smb_nttrans nt;
 119         uint8_t params[8];
 120         struct ndr_push *ndr;
 121         struct smbcli_request *req;
 122         enum ndr_err_code ndr_err;
 123
 124         nt.in.max_setup = 0;
 125         nt.in.max_param = 0;
 126         nt.in.max_data = 0;
 127         nt.in.setup_count = 0;
 128         nt.in.function = NT_TRANSACT_SET_SECURITY_DESC;
 129         nt.in.setup = NULL;
 130
 131         SSVAL(params, 0, io->set_secdesc.in.file.fnum);
 132         SSVAL(params, 2, 0); /* padding */
 133         SIVAL(params, 4, io->set_secdesc.in.secinfo_flags);
 134
 135         nt.in.params.data = params;
 136         nt.in.params.length = 8;
 137
 138         ndr = ndr_push_init_ctx(NULL);
 139         if (!ndr) return NULL;
 140
 141         ndr_err = ndr_push_security_descriptor(ndr, NDR_SCALARS|NDR_BUFFERS, io->set_secdesc.in.sd);
 142         if (!NDR_ERR_CODE_IS_SUCCESS(ndr_err)) {
 143                 talloc_free(ndr);
 144                 return NULL;
 145         }
 146
 147         nt.in.data = ndr_push_blob(ndr);
 148
 149         req = smb_raw_nttrans_send(tree, &nt);
 150
 151         talloc_free(ndr);
 152         return req;
 153 }
 154
 155 /****************************************************************************
 156 set file ACL (sync interface)
 157 ****************************************************************************/
 158 NTSTATUS smb_raw_set_secdesc(struct smbcli_tree *tree,
 159                              union smb_setfileinfo *io)
 160 {
 161         struct smbcli_request *req = smb_raw_set_secdesc_send(tree, io);
 162         return smbcli_request_simple_recv(req);
 163 }