1 /*
2 * Copyright (C) 2018-2022 Cisco Systems, Inc. and/or its affiliates. All rights reserved.
3 *
4 * Authors: Andrew Williams
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 version 2 as
8 * published by the Free Software Foundation.
9 *
10 * This program is distributed in the hope that it will be useful,
11 * but WITHOUT ANY WARRANTY; without even the implied warranty of
12 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
13 * GNU General Public License for more details.
14 *
15 * You should have received a copy of the GNU General Public License
16 * along with this program; if not, write to the Free Software
17 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston,
18 * MA 02110-1301, USA.
19 */
20
21 #include "execs.h"
22 #include <string.h>
23
cli_exe_info_init(struct cli_exe_info * exeinfo,uint32_t offset)24 void cli_exe_info_init(struct cli_exe_info *exeinfo, uint32_t offset)
25 {
26
27 if (NULL == exeinfo) {
28 return;
29 }
30
31 memset(exeinfo, '\0', sizeof(*exeinfo));
32 exeinfo->offset = offset;
33
34 // TODO Replace the memset above with the following once we can make
35 // certain that this is the only initialization needed (maybe run with
36 // MemorySanitizer?)
37
38 ///* Initialize all of the members which are actually used by the matcher
39 // * and by the bytecode runtime. The rest is executable specific and
40 // * we'll leave it to be populated by the exe parsing code. */
41 //exeinfo->offset = offset;
42 //exeinfo->sections = NULL;
43 //exeinfo->nsections = 0;
44 //exeinfo->ep = 0;
45 ///* NOTE: These are PE-specific to an extent, but we should still
46 // * initialize them for other exe types because they are used by
47 // * the matcher/bytecode runtime. */
48 //exeinfo->hdr_size = 0;
49 //exeinfo->res_addr = 0;
50 //cli_hashset_init_noalloc(&(exeinfo->vinfo));
51 }
52
cli_exe_info_destroy(struct cli_exe_info * exeinfo)53 void cli_exe_info_destroy(struct cli_exe_info *exeinfo)
54 {
55
56 if (NULL == exeinfo) {
57 return;
58 }
59
60 if (NULL != exeinfo->sections) {
61 free(exeinfo->sections);
62 exeinfo->sections = NULL;
63 }
64
65 cli_hashset_destroy(&(exeinfo->vinfo));
66 }
67