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/* |
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* Copyright (C) 2002 - 2004 Tomasz Kojm <tkojm@clamav.net> |
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*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
*/
#ifndef __CLAMAV_H
#define __CLAMAV_H
#include <sys/types.h>
#include <sys/stat.h>
#include <unistd.h>
#ifdef __cplusplus
extern "C"
{
#endif
#define CL_NUM_CHILDS 256
#define CL_MIN_LENGTH 2
#define CL_COUNT_PRECISION 4096
/* return codes */
#define CL_CLEAN 0 /* virus not found */
#define CL_VIRUS 1 /* virus found */ |
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|
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#define CL_EMAXREC 10 /* recursion level limit exceeded */
#define CL_EMAXSIZE 11 /* size limit exceeded */
#define CL_EMAXFILES 12 /* files limit exceeded */
#define CL_ERAR 100 /* rar handler error */
#define CL_EZIP 101 /* zip handler error */
#define CL_EMALFZIP 102 /* malformed zip */
#define CL_EGZIP 103 /* gzip handler error */
#define CL_EBZIP 104 /* bzip2 handler error */ |
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#define CL_EOLE2 105 /* OLE2 handler error */ |
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#define CL_EMSCOMP 106 /* compress.exe handler error */ |
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#define CL_EMSCAB 107 /* MS CAB module error */ |
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#define CL_EACCES 200 /* access denied */
#define CL_ENULLARG 300 /* null argument error */
|
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#define CL_ETMPFILE -1 /* tmpfile() failed */
#define CL_EFSYNC -2 /* fsync() failed */
#define CL_EMEM -3 /* memory allocation error */
#define CL_EOPEN -4 /* file open error */
#define CL_EMALFDB -5 /* malformed database */
#define CL_EPATSHORT -6 /* pattern too short */
#define CL_ETMPDIR -7 /* mkdir() failed */
#define CL_ECVD -8 /* not a CVD file (or broken) */
#define CL_ECVDEXTR -9 /* CVD extraction failure */
#define CL_EMD5 -10 /* MD5 verification error */
#define CL_EDSIG -11 /* digital signature verification error */ |
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#define CL_EIO -12 /* general I/O error */ |
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/* options */ |
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#define CL_RAW 0
#define CL_ARCHIVE 1
#define CL_MAIL 2
#define CL_DISABLERAR 4
#define CL_OLE2 8 |
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#define CL_ENCRYPTED 16 |
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#define CL_HTML 32 |
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#define CL_PE 64 |
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|
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struct cli_patt { |
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short int *pattern;
unsigned int length;
char *virname; |
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unsigned short int sigid, parts, partno, type; |
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struct cli_patt *next; |
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};
struct cl_node {
char islast; |
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struct cli_patt *list; |
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struct cl_node *trans[CL_NUM_CHILDS], *fail;
|
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/* FIXME: these variables are only used in a root node */ |
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unsigned int maxpatlen, partsigs;
unsigned int nodes;
struct cl_node **nodetable;
};
struct cl_limits { |
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int maxreclevel; /* maximal recursion level */
int maxfiles; /* maximal number of files to be
* scanned within an archive
*/
int maxratio; /* maximal compression ratio */
short archivememlim; /* limit memory usage for bzip2 (0/1) */
long int maxfilesize; /* files in an archive larger than
* this value will not be scanned
*/ |
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};
struct cl_stat {
char *dir;
int no;
struct stat *stattab;
};
|
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struct cl_cvd {
char *time; /* 2 */
int version; /* 3 */
int sigs; /* 4 */
short int fl; /* 5 */
char *md5; /* 6 */
char *dsig; /* 7 */
char *builder; /* 8 */
};
|
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/* file scanning */ |
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extern int cl_scanbuff(const char *buffer, unsigned int length, const char **virname, const struct cl_node *root); |
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extern int cl_scandesc(int desc, const char **virname, unsigned long int *scanned, const struct cl_node *root, const struct cl_limits *limits, int options); |
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|
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extern int cl_scanfile(const char *filename, const char **virname, unsigned long int *scanned, const struct cl_node *root, const struct cl_limits *limits, int options); |
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/* database loading */
extern int cl_loaddb(const char *filename, struct cl_node **root, int *virnum);
extern int cl_loaddbdir(const char *dirname, struct cl_node **root, int *virnum); |
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extern const char *cl_retdbdir(void); |
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extern int cl_retflevel(void); |
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|
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extern struct cl_cvd *cl_cvdhead(const char *file); |
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extern struct cl_cvd *cl_cvdparse(const char *head);
extern int cl_cvdverify(const char *file); |
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extern void cl_cvdfree(struct cl_cvd *cvd);
|
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/* data dir stat functions */ |
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extern int cl_statinidir(const char *dirname, struct cl_stat *dbstat);
extern int cl_statchkdir(const struct cl_stat *dbstat);
extern int cl_statfree(struct cl_stat *dbstat);
|
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/* enable debug information */
extern void cl_debug(void); |
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|
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extern void cl_settempdir(const char *dir, short leavetemps);
|
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/* build a trie */ |
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extern int cl_buildtrie(struct cl_node *root); |
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extern void cl_freetrie(struct cl_node *root);
|
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extern const char *cl_strerror(int clerror);
extern const char *cl_perror(int clerror); /* deprecated */ |
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extern char *cl_md5buff(const char *buffer, unsigned int length);
extern int cl_mbox(const char *dir, int desc);
|
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/* compute MD5 message digest from file (compatible with md5sum(1)) */ |
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extern char *cl_md5file(const char *filename);
/* decode hexadecimal string */
extern short int *cl_hex2str(const char *hex);
/* encode a buffer 'string' length of 'len' to a hexadecimal string */
extern char *cl_str2hex(const char *string, unsigned int len);
|
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/* generate a pseudo-random number */
extern unsigned int cl_rndnum(unsigned int max);
|
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/* generate unique file name in temporary directory */
char *cl_gentemp(const char *dir);
|
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#ifdef __cplusplus
};
#endif
#endif |