home
***
CD-ROM
|
disk
|
FTP
|
other
***
search
/
TPUG - Toronto PET Users Group
/
TPUG Users Group CD
/
TPUG Users Group CD.iso
/
AMIGA
/
(A)U
/
(A)U5.ADF
/
VTrap
/
VirusTrap.c
< prev
Wrap
C/C++ Source or Header
|
1989-01-02
|
2KB
|
61 lines
/********************************************************************
**
** VirusTrap.c
**
** (c) 1988 Eduardo Horvath
**
** All Rights Reserved
**
** Permission to copy and distribute free of charge
**
********************************************************************/
#include <exec/memory.h>
#include <libraries/dos.h>
#include <functions.h>
/*******************************************************************
This program checks its own size and reports any changes.
It should be placed in the first line of s:Startup-Sequence.
********************************************************************/
/* This was compiled under Aztec C v3.04. The program size will
vary according to compiler. Compile the program, find its
size, and then replace PROGSIZ.
*/
#define PROGSIZ 5216L
struct FileInfoBlock *fib = NULL, FileInfoBlock[3];
struct FileLock *lock = NULL;
main(argc, argv)
int argc;
char *argv[];
{
int i;
/* Put a lock on this executable file (is stored in argv[0]) */
lock = Lock(argv[0], ACCESS_READ );
if(!lock) return(0);
/* Longword Align fib (don't alter mem lists) */
fib = ((long) &FileInfoBlock[1]) & 0xfffffffc;
if( !Examine(lock,fib) ) Exit( printf( "Unsuccessful Examine().\n") );;
if( fib->fib_Size != PROGSIZ )
printf("Original File Length = %ld\n\
Current File Length = %ld\n\n\
WARNING: POSSIBLE VIRAL INFECTION!!!\n",
PROGSIZ, fib->fib_Size );
UnLock( lock );
}