source: branches/samhain-2_2-branch/include/sh_utils.h@ 291

Last change on this file since 291 was 34, checked in by rainer, 18 years ago

Code cleanup and minor fixes

File size: 4.7 KB
Line 
1/* SAMHAIN file system integrity testing */
2/* Copyright (C) 1999 Rainer Wichmann */
3/* */
4/* This program is free software; you can redistribute it */
5/* and/or modify */
6/* it under the terms of the GNU General Public License as */
7/* published by */
8/* the Free Software Foundation; either version 2 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, write to the Free Software */
18/* Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. */
19
20
21#ifndef SH_UTILS_H
22#define SH_UTILS_H
23
24#include <stdarg.h>
25
26#include "slib.h"
27
28#include "sh_error.h"
29#include "sh_unix.h"
30
31#define S_FMT_STRING 1
32#define S_FMT_ULONG 2
33#define S_FMT_TIME 3
34#define S_FMT_LONG 4
35
36
37typedef struct ft_struc {
38 char fchar;
39 int type;
40 unsigned long data_ulong;
41 long data_long;
42 /*@null@*/char *data_str;
43} st_format;
44
45char * sh_util_formatted (const char * fmt, st_format * ftab);
46
47typedef struct sh_timeout_struct {
48 UINT64 time_last;
49 UINT64 time_dist;
50 int flag_ok;
51} SH_TIMEOUT;
52
53int sh_util_timeout_check (SH_TIMEOUT * sh_timer);
54
55/* This is a maximally equidistributed combined Tausworthe
56 * generator.
57 */
58UINT32 taus_get (void *state1, void *state2, void *state3);
59double taus_get_double (void *vstate); /* fast */
60int taus_seed (void);
61
62char * sh_util_strdup (const char * str);
63char * sh_util_strsep (char **str, const char *delim);
64
65/* set signature type HASH-TIGER/HMAC-TIGER
66 */
67int sh_util_sigtype (const char * c);
68
69/* compute a signature
70 */
71char * sh_util_siggen (char * hexkey,
72 char * text, size_t textlen);
73
74/* eval boolean input
75 */
76int sh_util_flagval(const char * c, int * fval);
77
78/* ask if a file should be updated (returns S_TRUE/S_FALSE)
79 */
80int sh_util_ask_update(char * path);
81int sh_util_set_interactive(const char * str);
82
83/* don't log output files
84 */
85int sh_util_hidesetup(const char * c);
86
87/* exceptions to obscure name check
88 */
89int sh_util_obscure_ok (const char * str);
90
91/* read a hexchar
92 */
93int sh_util_hexchar( char c );
94
95/* change verifier
96 */
97int sh_util_set_newkey (const char * str);
98
99/* server mode
100 */
101int sh_util_setserver (const char * dummy);
102
103/* a simple compressor
104 */
105long sh_util_compress (char * dest, char * src, size_t dest_size);
106
107/* an even simpler en-/decoder
108 */
109void sh_util_encode (char * data, char * salt, int mode, char fill);
110
111/* copy len ( < 4) bytes from (char *) (long src) to (char *) dest,
112 * determine the four LSB's and use them (independent of sizeof(long))
113 */
114void sh_util_cpylong (char * dest, const char * src, int len );
115
116/* set timer for main loop
117 */
118int sh_util_setlooptime (const char * str);
119
120/* whether init or check the database
121 */
122int sh_util_setchecksum (const char * str);
123
124/* compare an in_string against a regular expression regex_str
125 return GOOD on successful match
126*/
127int sh_util_regcmp (char * regex_str, char * in_str);
128
129
130/* returns freshly allocated memory, return value should be free'd.
131 * Arhument list must be NULL terminated.
132 */
133char * sh_util_strconcat (const char * arg1, ...);
134
135/* check if string is numeric only
136 */
137int sh_util_isnum (char *str);
138
139/* init a key w/random string
140 */
141int sh_util_keyinit (char * buf, long size);
142
143
144/* returns freshly allocated memory, return value should be free'd
145 */
146char * sh_util_dirname(const char * fullpath);
147
148/* returns freshly allocated memory, return value should be free'd
149 */
150char * sh_util_safe_name (const char * name);
151
152/* check max size of printf result string
153 */
154int sh_util_printf_maxlength (const char * fmt, va_list vl);
155
156/* check for obscure filenames
157 */
158int sh_util_obscurename (ShErrLevel level, char * name, int flag);
159
160/* returns freshly allocated memory, return value should be free'd
161 */
162char * sh_util_basename(const char * fullpath);
163
164#endif
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