1 /* $Id$ */
2 /*
3 ** Copyright (C) 2014-2021 Cisco and/or its affiliates. All rights reserved.
4 ** Copyright (C) 2005-2013 Sourcefire, Inc.
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. You may not use, modify or
9 ** distribute this program under any other version of the GNU General
10 ** Public License.
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, write to the Free Software
19 ** Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
20 */
21
22 #include <stdio.h>
23 #include <string.h>
24 #include <ctype.h>
25 #include <stdarg.h>
26 #include <stdlib.h>
27
28 #ifdef HAVE_CONFIG_H
29 #include "config.h"
30 #endif
31
32 #include "sf_types.h"
33 #include "sf_dynamic_define.h"
34 #include "sf_preproc_info.h"
35 #include "sf_snort_packet.h"
36 #include "sf_dynamic_preproc_lib.h"
37 #include "sf_dynamic_meta.h"
38 #include "sf_dynamic_preprocessor.h"
39 #include "sf_dynamic_common.h"
40
41 DynamicPreprocessorData _dpd;
42
DynamicPreprocessorFatalMessage(const char * format,...)43 NORETURN void DynamicPreprocessorFatalMessage(const char *format, ...)
44 {
45 char buf[STD_BUF];
46 va_list ap;
47
48 va_start(ap, format);
49 vsnprintf(buf, STD_BUF, format, ap);
50 va_end(ap);
51
52 buf[STD_BUF - 1] = '\0';
53
54 _dpd.fatalMsg("%s", buf);
55
56 exit(1);
57 }
58
59
InitializePreprocessor(DynamicPreprocessorData * dpd)60 PREPROC_LINKAGE int InitializePreprocessor(DynamicPreprocessorData *dpd)
61 {
62 if (dpd->version < PREPROCESSOR_DATA_VERSION)
63 {
64 printf("ERROR version %d < %d\n", dpd->version,
65 PREPROCESSOR_DATA_VERSION);
66 return -1;
67 }
68
69 if (dpd->size != sizeof(DynamicPreprocessorData))
70 {
71 printf("ERROR size %d != %u\n", dpd->size, (unsigned)sizeof(*dpd));
72 return -2;
73 }
74
75 _dpd = *dpd;
76 DYNAMIC_PREPROC_SETUP();
77 return 0;
78 }
79
LibVersion(DynamicPluginMeta * dpm)80 PREPROC_LINKAGE int LibVersion(DynamicPluginMeta *dpm)
81 {
82
83 dpm->type = TYPE_PREPROCESSOR;
84 dpm->major = MAJOR_VERSION;
85 dpm->minor = MINOR_VERSION;
86 dpm->build = BUILD_VERSION;
87 strncpy(dpm->uniqueName, PREPROC_NAME, MAX_NAME_LEN-1);
88 dpm->uniqueName[MAX_NAME_LEN-1] = '\0';
89 return 0;
90 }
91
92