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91 lines
2.6 KiB
91 lines
2.6 KiB
/*
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* Compilation: gcc -Wall ex1.c -o ex1 -lclamav
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*
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* Copyright (C) 2002 - 2004 Tomasz Kojm <tkojm@clamav.net>
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
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*/
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#include <stdio.h>
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#include <stdlib.h>
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#include <string.h>
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#include <unistd.h>
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#include <sys/types.h>
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#include <sys/stat.h>
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#include <fcntl.h>
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#include <clamav.h>
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int main(int argc, char **argv)
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{
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int fd, ret, no = 0;
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unsigned long int size = 0;
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long double mb;
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const char *virname;
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struct cl_node *root = NULL;
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struct cl_limits limits;
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if(argc != 2) {
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printf("Usage: %s file\n", argv[0]);
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exit(2);
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}
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if((fd = open(argv[1], O_RDONLY)) == -1) {
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printf("Can't open file %s\n", argv[1]);
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exit(2);
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}
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/* load all available databases from default directory */
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if((ret = cl_loaddbdir(cl_retdbdir(), &root, &no))) {
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printf("cl_loaddbdir: %s\n", cl_perror(ret));
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close(fd);
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exit(2);
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}
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printf("Loaded %d signatures.\n", no);
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/* build engine */
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if((ret = cl_build(root))) {
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printf("Database initialization error: %s\n", cl_strerror(ret));;
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cl_free(root);
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close(fd);
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exit(2);
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}
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/* set up archive limits */
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memset(&limits, 0, sizeof(struct cl_limits));
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limits.maxfiles = 1000; /* max files */
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limits.maxfilesize = 10 * 1048576; /* maximal archived file size == 10 Mb */
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limits.maxreclevel = 5; /* maximal recursion level */
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limits.maxratio = 200; /* maximal compression ratio */
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limits.archivememlim = 0; /* disable memory limit for bzip2 scanner */
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/* scan descriptor */
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if((ret = cl_scandesc(fd, &virname, &size, root, &limits, CL_SCAN_STDOPT)) == CL_VIRUS)
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printf("Virus detected: %s\n", virname);
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else {
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printf("No virus detected.\n");
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if(ret != CL_CLEAN)
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printf("Error: %s\n", cl_perror(ret));
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}
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close(fd);
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mb = size * (CL_COUNT_PRECISION / 1024) / 1024.0;
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printf("Data scanned: %2.2Lf Mb\n", mb);
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cl_free(root);
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exit(ret == CL_VIRUS ? 1 : 0);
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}
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