1 /* SAMHAIN file system integrity testing                                   */
2 /* Copyright (C) 2015 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_DBIO_INT_H
22 #define SH_DBIO_INT_H
23 
24 #define SH_DEADFILE 65535
25 
26 typedef struct store_info_old {
27 
28   UINT32           mode;
29   UINT32           linkmode;
30 
31   UINT64           dev;
32   UINT64           rdev;
33 
34   UINT32           hardlinks;
35   UINT32           ino;
36 
37   UINT64           size;
38   UINT64           atime;
39   UINT64           mtime;
40   UINT64           ctime;
41 
42   UINT32           owner;
43   UINT32           group;
44 
45   UINT32           attributes;
46 
47   char             c_attributes[ATTRBUF_SIZE]; /* 16 = 2*UINT64 */
48 
49   unsigned short   mark;
50   char             c_owner[USER_MAX+2];
51   char             c_group[GROUP_MAX+2];
52   char             c_mode[CMODE_SIZE];
53   char             checksum[KEY_LEN+1];
54 
55 } sh_filestore_old_t;
56 
57 typedef struct store_info {
58 
59   UINT32           mode;
60   UINT32           linkmode;
61 
62   UINT64           dev;
63   UINT64           rdev;
64 
65   UINT32           hardlinks;
66   UINT32           ino;
67 
68   UINT64           size;
69   UINT64           atime;
70   UINT64           mtime;
71   UINT64           ctime;
72 
73   UINT32           owner;
74   UINT32           group;
75 
76   UINT32           attributes;
77 
78   char             c_attributes[ATTRBUF_SIZE]; /* 16 = 2*UINT64 */
79 
80   unsigned short   mark;
81   char             c_owner[USER_MAX+2];
82   char             c_group[GROUP_MAX+2];
83   char             c_mode[CMODE_SIZE];
84   char             checksum[KEY_LEN+1];
85 
86   /* If 'checkflags' is elsewhere, the compiler would still use
87    * a 6-byte padding to align the whole struct to an 8-byte boundary.
88    * ipad, opad: make explicit what the compiler does on a 64-byte system.
89    */
90   char             ipad[2];
91   UINT32           checkflags;
92   char             opad[4];
93 
94 } sh_filestore_t;
95 
96 typedef struct file_info {
97   sh_filestore_t   theFile;
98   char           * fullpath;
99   char           * linkpath;
100   char           * attr_string;
101   int              fflags;
102   unsigned long    modi_mask;
103   struct           file_info * next;
104 } sh_file_t;
105 
106 //* must fit an int              */
107 #define TABSIZE 65536
108 
109 /* must fit an unsigned short   */
110 /* changed for V0.8, as the     */
111 /* database format has changed  */
112 /* changed again for V0.9       */
113 /* #define REC_MAGIC 19         */
114 /* changed again for V1.3       */
115 /* #define REC_MAGIC 20         */
116 /* changed again for V1.4       */
117 /* #define REC_MAGIC 21         */
118 #define OLD_REC_MAGIC 21
119 /* changed again for V3.2       */
120 #define REC_MAGIC 22
121 
122 #define REC_FLAGS_ATTR (1<<8)
123 #define REC_FLAGS_MASK 0xFF00
124 
125 /* Insert into database table
126  */
127 void hashinsert (sh_file_t * tab[TABSIZE], sh_file_t * s);
128 
129 /* Internal conversion function
130  */
131 file_type * sh_hash_create_ft (const sh_file_t * p, char * fileHash);
132 
133 /* Print what's in the link path
134  */
135 int sh_hash_printcontent(char * linkpath);
136 
137 /* List database entry
138  */
139 void sh_hash_list_db_entry (sh_file_t * p);
140 
141 /* get the location of the default/main database table
142  */
143 sh_file_t ** get_default_data_table();
144 
145 /* Write whole database
146  */
147 int sh_dbIO_writeout(sh_file_t * mtab[TABSIZE], const char * outpath, int truncate);
148 
149 /* Load from the default source into hash table 'tab'
150  */
151 int sh_dbIO_load_db(sh_file_t * tab[TABSIZE]);
152 
153 /* Load from the file 'filepath' into hash table 'tab'
154  */
155 int sh_dbIO_load_db_file(sh_file_t * tab[TABSIZE], const char * filepath);
156 
157 #endif
158