| [1] | 1 | /* SAMHAIN file system integrity testing */
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| 2 | /* Copyright (C) 1999 Rainer Wichmann */
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| 3 | /* */
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| 4 | /* This program is free software; you can redistribute it */
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| 5 | /* and/or modify */
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| 6 | /* it under the terms of the GNU General Public License as */
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| 7 | /* published by */
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| 8 | /* the Free Software Foundation; either version 2 of the License, or */
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| 9 | /* (at your option) any later version. */
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| 10 | /* */
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| 11 | /* This program is distributed in the hope that it will be useful, */
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| 12 | /* but WITHOUT ANY WARRANTY; without even the implied warranty of */
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| 13 | /* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the */
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| 14 | /* GNU General Public License for more details. */
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| 15 | /* */
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| 16 | /* You should have received a copy of the GNU General Public License */
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| 17 | /* along with this program; if not, write to the Free Software */
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| 18 | /* Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. */
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| 19 |
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| 20 |
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| 21 | #ifndef SH_UTILS_H
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| 22 | #define SH_UTILS_H
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| 23 |
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| 24 | #include <stdarg.h>
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| 25 |
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| 26 | #include "slib.h"
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| 27 |
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| 28 | #include "sh_error.h"
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| 29 | #include "sh_unix.h"
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| 30 |
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| 31 | #define S_FMT_STRING 1
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| 32 | #define S_FMT_ULONG 2
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| 33 | #define S_FMT_TIME 3
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| 34 | #define S_FMT_LONG 4
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| 35 |
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| 36 |
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| 37 | typedef struct ft_struc {
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| 38 | char fchar;
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| 39 | int type;
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| 40 | unsigned long data_ulong;
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| 41 | long data_long;
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| 42 | /*@null@*/char *data_str;
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| 43 | } st_format;
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| 44 |
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| 45 | char * sh_util_formatted (const char * fmt, st_format * ftab);
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| 46 |
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| 47 | typedef struct sh_timeout_struct {
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| 48 | UINT64 time_last;
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| 49 | UINT64 time_dist;
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| 50 | int flag_ok;
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| 51 | } SH_TIMEOUT;
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| 52 |
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| 53 | int sh_util_timeout_check (SH_TIMEOUT * sh_timer);
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| 54 |
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| 55 | /* This is a maximally equidistributed combined Tausworthe
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| 56 | * generator.
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| 57 | */
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| 58 | UINT32 taus_get (void *state1, void *state2, void *state3);
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| 59 | double taus_get_double (void *vstate); /* fast */
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| 60 | int taus_seed (void);
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| 61 |
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| 62 | char * sh_util_strdup (const char * str);
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| 63 | char * sh_util_strsep (char **str, const char *delim);
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| 64 |
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| 65 | /* set signature type HASH-TIGER/HMAC-TIGER
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| 66 | */
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| [22] | 67 | int sh_util_sigtype (const char * c);
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| [1] | 68 |
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| 69 | /* compute a signature
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| 70 | */
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| 71 | char * sh_util_siggen (char * hexkey,
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| 72 | char * text, size_t textlen);
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| 73 |
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| 74 | /* eval boolean input
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| 75 | */
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| [20] | 76 | int sh_util_flagval(const char * c, int * fval);
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| [1] | 77 |
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| 78 | /* ask if a file should be updated (returns S_TRUE/S_FALSE)
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| 79 | */
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| 80 | int sh_util_ask_update(char * path);
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| [20] | 81 | int sh_util_set_interactive(const char * str);
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| [1] | 82 |
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| 83 | /* don't log output files
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| 84 | */
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| [22] | 85 | int sh_util_hidesetup(const char * c);
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| [1] | 86 |
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| 87 | /* exceptions to obscure name check
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| 88 | */
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| [22] | 89 | int sh_util_obscure_ok (const char * str);
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| [1] | 90 |
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| 91 | /* read a hexchar
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| 92 | */
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| 93 | int sh_util_hexchar( char c );
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| 94 |
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| 95 | /* change verifier
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| 96 | */
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| [20] | 97 | int sh_util_set_newkey (const char * str);
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| [1] | 98 |
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| 99 | /* server mode
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| 100 | */
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| [20] | 101 | int sh_util_setserver (const char * dummy);
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| [1] | 102 |
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| 103 | /* a simple compressor
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| 104 | */
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| 105 | long sh_util_compress (char * dest, char * src, size_t dest_size);
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| 106 |
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| 107 | /* an even simpler en-/decoder
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| 108 | */
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| 109 | void sh_util_encode (char * data, char * salt, int mode, char fill);
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| 110 |
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| 111 | /* copy len ( < 4) bytes from (char *) (long src) to (char *) dest,
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| 112 | * determine the four LSB's and use them (independent of sizeof(long))
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| 113 | */
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| 114 | void sh_util_cpylong (char * dest, const char * src, int len );
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| 115 |
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| 116 | /* set timer for main loop
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| 117 | */
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| [20] | 118 | int sh_util_setlooptime (const char * str);
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| [1] | 119 |
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| 120 | /* whether init or check the database
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| 121 | */
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| [20] | 122 | int sh_util_setchecksum (const char * str);
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| [1] | 123 |
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| 124 | /* compare an in_string against a regular expression regex_str
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| 125 | return GOOD on successful match
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| 126 | */
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| 127 | int sh_util_regcmp (char * regex_str, char * in_str);
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| 128 |
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| 129 |
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| 130 | /* returns freshly allocated memory, return value should be free'd.
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| 131 | * Arhument list must be NULL terminated.
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| 132 | */
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| 133 | char * sh_util_strconcat (const char * arg1, ...);
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| 134 |
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| 135 | /* check if string is numeric only
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| 136 | */
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| 137 | int sh_util_isnum (char *str);
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| 138 |
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| 139 | /* init a key w/random string
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| 140 | */
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| 141 | int sh_util_keyinit (char * buf, long size);
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| 142 |
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| 143 |
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| 144 | /* returns freshly allocated memory, return value should be free'd
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| 145 | */
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| 146 | char * sh_util_filename(char * fullpath);
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| 147 |
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| 148 | /* returns freshly allocated memory, return value should be free'd
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| 149 | */
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| 150 | char * sh_util_safe_name (const char * name);
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| 151 |
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| 152 | /* check max size of printf result string
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| 153 | */
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| 154 | int sh_util_printf_maxlength (const char * fmt, va_list vl);
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| 155 |
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| 156 | /* check for obscure filenames
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| 157 | */
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| 158 | int sh_util_obscurename (ShErrLevel level, char * name, int flag);
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| 159 |
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| 160 | /* returns freshly allocated memory, return value should be free'd
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| 161 | */
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| 162 | char * sh_util_basename(char * fullpath);
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| 163 |
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| 164 | #endif
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