dsdb: Fix CID 1034742 Dereference after null check
[Samba.git] / librpc / ndr / ndr_ntprinting.c
blobe4f47bb046628877093e0d7c10071186c30b5526
1 /*
2 Unix SMB/CIFS implementation.
4 routines for marshalling/unmarshalling special ntprinting structures
6 Copyright (C) Guenther Deschner 2010
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.
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, see <http://www.gnu.org/licenses/>.
22 #include "includes.h"
23 #include "../librpc/gen_ndr/ndr_ntprinting.h"
25 _PUBLIC_ uint32_t ndr_ntprinting_string_flags(uint32_t string_flags)
27 uint32_t flags = LIBNDR_FLAG_STR_NULLTERM;
29 if (string_flags & LIBNDR_FLAG_STR_ASCII) {
30 flags |= LIBNDR_FLAG_STR_ASCII;
31 } else if (string_flags & LIBNDR_FLAG_STR_RAW8) {
32 flags |= LIBNDR_FLAG_STR_RAW8;
33 } else {
34 flags |= LIBNDR_FLAG_STR_UTF8;
37 return flags;
40 _PUBLIC_ enum ndr_err_code ndr_pull_ntprinting_printer(struct ndr_pull *ndr, int ndr_flags, struct ntprinting_printer *r)
42 uint32_t _ptr_devmode;
43 TALLOC_CTX *_mem_save_devmode_0;
45 uint32_t _flags_save_STRUCT = ndr->flags;
46 ndr_set_flags(&ndr->flags, LIBNDR_FLAG_NOALIGN);
47 if (ndr_flags & NDR_SCALARS) {
48 NDR_CHECK(ndr_pull_align(ndr, 5));
49 NDR_CHECK(ndr_pull_ntprinting_printer_info(ndr, NDR_SCALARS, &r->info));
50 NDR_CHECK(ndr_pull_generic_ptr(ndr, &_ptr_devmode));
51 if (_ptr_devmode) {
52 NDR_PULL_ALLOC(ndr, r->devmode);
53 } else {
54 r->devmode = NULL;
57 if (ndr_flags & NDR_BUFFERS) {
58 if (r->devmode) {
59 _mem_save_devmode_0 = NDR_PULL_GET_MEM_CTX(ndr);
60 NDR_PULL_SET_MEM_CTX(ndr, r->devmode, 0);
61 r->devmode->string_flags = r->info.string_flags;
62 NDR_CHECK(ndr_pull_ntprinting_devicemode(ndr, NDR_SCALARS|NDR_BUFFERS, r->devmode));
63 NDR_PULL_SET_MEM_CTX(ndr, _mem_save_devmode_0, 0);
66 if (ndr_flags & NDR_SCALARS) {
67 r->count = 0;
68 NDR_PULL_ALLOC_N(ndr, r->printer_data, r->count);
69 while (ndr->offset + 4 <= ndr->data_size) {
70 uint32_t ptr = 0;
71 ptr = IVAL(ndr->data, ndr->offset);
72 if (ptr == 0) {
73 ndr->offset = ndr->offset + 4;
74 break;
76 r->printer_data = talloc_realloc(ndr, r->printer_data, struct ntprinting_printer_data, r->count + 1);
77 NDR_ERR_HAVE_NO_MEMORY(r->printer_data);
78 r->printer_data[r->count].string_flags = r->info.string_flags;
79 NDR_CHECK(ndr_pull_ntprinting_printer_data(ndr, NDR_SCALARS, &r->printer_data[r->count]));
80 r->count++;
82 NDR_CHECK(ndr_pull_trailer_align(ndr, 5));
84 ndr->flags = _flags_save_STRUCT;
86 return NDR_ERR_SUCCESS;