457 lines
11 KiB
C
457 lines
11 KiB
C
/*****************************************************************************
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*
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* $Id$
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* Purpose ...............: Setup Virus structure.
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*
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*****************************************************************************
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* Copyright (C) 1997-2004
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*
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* Michiel Broek FIDO: 2:280/2802
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* Beekmansbos 10
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* 1971 BV IJmuiden
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* the Netherlands
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*
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* This file is part of MBSE BBS.
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*
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* This BBS is free software; you can redistribute it and/or modify it
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* under the terms of the GNU General Public License as published by the
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* Free Software Foundation; either version 2, or (at your option) any
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* later version.
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*
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* MB BBS is distributed in the hope that it will be useful, but
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* WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* 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 MB BBS; see the file COPYING. If not, write to the Free
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* Software Foundation, 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA.
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*****************************************************************************/
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#include "../config.h"
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#include "../lib/libs.h"
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#include "../lib/structs.h"
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#include "../lib/users.h"
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#include "../lib/records.h"
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#include "../lib/clcomm.h"
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#include "../lib/common.h"
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#include "../paths.h"
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#include "screen.h"
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#include "mutil.h"
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#include "ledit.h"
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#include "stlist.h"
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#include "m_global.h"
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#include "m_virus.h"
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int VirUpdated = 0;
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/*
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* Count nr of virscan records in the database.
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* Creates the database if it doesn't exist.
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*/
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int CountVirus(void)
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{
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FILE *fil;
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char ffile[PATH_MAX];
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int count;
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sprintf(ffile, "%s/etc/virscan.data", getenv("MBSE_ROOT"));
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if ((fil = fopen(ffile, "r")) == NULL) {
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if ((fil = fopen(ffile, "a+")) != NULL) {
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Syslog('+', "Created new %s", ffile);
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virscanhdr.hdrsize = sizeof(virscanhdr);
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virscanhdr.recsize = sizeof(virscan);
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fwrite(&virscanhdr, sizeof(virscanhdr), 1, fil);
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/*
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* Create some default records but don't enable them.
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*/
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memset(&virscan, 0, sizeof(virscan));
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sprintf(virscan.comment, "AntiVir/Linux Scanner");
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if (strlen(_PATH_ANTIVIR)) {
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sprintf(virscan.scanner, "%s", _PATH_ANTIVIR);
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virscan.available = TRUE;
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} else {
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sprintf(virscan.scanner, "/usr/bin/antivir");
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virscan.available = FALSE;
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}
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sprintf(virscan.options, "-allfiles -s -q");
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fwrite(&virscan, sizeof(virscan), 1, fil);
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memset(&virscan, 0, sizeof(virscan));
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sprintf(virscan.comment, "F-Prot scanner");
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if (strlen(_PATH_FPROT)) {
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sprintf(virscan.scanner, "%s .", _PATH_FPROT);
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virscan.available = TRUE;
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} else {
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sprintf(virscan.scanner, "/usr/local/bin/f-prot .");
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virscan.available = FALSE;
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}
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sprintf(virscan.options, "-archive -silent");
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fwrite(&virscan, sizeof(virscan), 1, fil);
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memset(&virscan, 0, sizeof(virscan));
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sprintf(virscan.comment, "McAfee VirusScan for Linux");
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if (strlen(_PATH_UVSCAN)) {
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sprintf(virscan.scanner, "%s", _PATH_UVSCAN);
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virscan.available = TRUE;
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} else {
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sprintf(virscan.scanner, "/usr/local/bin/uvscan");
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virscan.available = FALSE;
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}
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sprintf(virscan.options, "--noboot --noexpire -r --secure -");
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fwrite(&virscan, sizeof(virscan), 1, fil);
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fclose(fil);
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chmod(ffile, 0640);
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return 3;
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} else
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return -1;
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}
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fread(&virscanhdr, sizeof(virscanhdr), 1, fil);
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fseek(fil, 0, SEEK_END);
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count = (ftell(fil) - virscanhdr.hdrsize) / virscanhdr.recsize;
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fclose(fil);
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return count;
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}
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/*
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* Open database for editing. The datafile is copied, if the format
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* is changed it will be converted on the fly. All editing must be
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* done on the copied file.
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*/
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int OpenVirus(void);
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int OpenVirus(void)
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{
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FILE *fin, *fout;
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char fnin[PATH_MAX], fnout[PATH_MAX];
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long oldsize;
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sprintf(fnin, "%s/etc/virscan.data", getenv("MBSE_ROOT"));
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sprintf(fnout, "%s/etc/virscan.temp", getenv("MBSE_ROOT"));
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if ((fin = fopen(fnin, "r")) != NULL) {
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if ((fout = fopen(fnout, "w")) != NULL) {
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fread(&virscanhdr, sizeof(virscanhdr), 1, fin);
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/*
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* In case we are automatic upgrading the data format
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* we save the old format. If it is changed, the
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* database must always be updated.
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*/
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oldsize = virscanhdr.recsize;
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if (oldsize != sizeof(virscan)) {
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VirUpdated = 1;
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Syslog('+', "Upgraded %s, format changed", fnin);
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} else
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VirUpdated = 0;
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virscanhdr.hdrsize = sizeof(virscanhdr);
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virscanhdr.recsize = sizeof(virscan);
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fwrite(&virscanhdr, sizeof(virscanhdr), 1, fout);
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/*
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* The datarecord is filled with zero's before each
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* read, so if the format changed, the new fields
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* will be empty.
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*/
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memset(&virscan, 0, sizeof(virscan));
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while (fread(&virscan, oldsize, 1, fin) == 1) {
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fwrite(&virscan, sizeof(virscan), 1, fout);
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memset(&virscan, 0, sizeof(virscan));
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}
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fclose(fin);
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fclose(fout);
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return 0;
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} else
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return -1;
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}
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return -1;
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}
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void CloseVirus(int);
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void CloseVirus(int force)
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{
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char fin[PATH_MAX], fout[PATH_MAX];
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FILE *fi, *fo;
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st_list *vir = NULL, *tmp;
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sprintf(fin, "%s/etc/virscan.data", getenv("MBSE_ROOT"));
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sprintf(fout,"%s/etc/virscan.temp", getenv("MBSE_ROOT"));
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if (VirUpdated == 1) {
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if (force || (yes_no((char *)"Database is changed, save changes") == 1)) {
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working(1, 0, 0);
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fi = fopen(fout, "r");
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fo = fopen(fin, "w");
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fread(&virscanhdr, virscanhdr.hdrsize, 1, fi);
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fwrite(&virscanhdr, virscanhdr.hdrsize, 1, fo);
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while (fread(&virscan, virscanhdr.recsize, 1, fi) == 1)
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if (!virscan.deleted)
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fill_stlist(&vir, virscan.comment, ftell(fi) - virscanhdr.recsize);
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sort_stlist(&vir);
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for (tmp = vir; tmp; tmp = tmp->next) {
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fseek(fi, tmp->pos, SEEK_SET);
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fread(&virscan, virscanhdr.recsize, 1, fi);
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fwrite(&virscan, virscanhdr.recsize, 1, fo);
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}
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tidy_stlist(&vir);
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fclose(fi);
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fclose(fo);
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unlink(fout);
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chmod(fin, 0640);
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Syslog('+', "Updated \"virscan.data\"");
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if (!force)
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working(6, 0, 0);
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return;
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}
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}
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chmod(fin, 0640);
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unlink(fout);
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}
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int AppendVirus(void)
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{
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FILE *fil;
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char ffile[PATH_MAX];
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sprintf(ffile, "%s/etc/virscan.temp", getenv("MBSE_ROOT"));
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if ((fil = fopen(ffile, "a")) != NULL) {
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memset(&virscan, 0, sizeof(virscan));
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fwrite(&virscan, sizeof(virscan), 1, fil);
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fclose(fil);
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VirUpdated = 1;
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return 0;
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} else
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return -1;
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}
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/*
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* Edit one record, return -1 if there are errors, 0 if ok.
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*/
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int EditVirRec(int Area)
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{
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FILE *fil;
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char mfile[PATH_MAX];
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long offset;
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int j;
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unsigned long crc, crc1;
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clr_index();
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working(1, 0, 0);
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IsDoing("Edit VirScan");
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sprintf(mfile, "%s/etc/virscan.temp", getenv("MBSE_ROOT"));
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if ((fil = fopen(mfile, "r")) == NULL) {
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working(2, 0, 0);
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return -1;
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}
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offset = sizeof(virscanhdr) + ((Area -1) * sizeof(virscan));
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if (fseek(fil, offset, 0) != 0) {
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working(2, 0, 0);
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return -1;
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}
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fread(&virscan, sizeof(virscan), 1, fil);
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fclose(fil);
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crc = 0xffffffff;
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crc = upd_crc32((char *)&virscan, crc, sizeof(virscan));
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set_color(WHITE, BLACK);
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mvprintw( 5, 2, "4. EDIT VIRUS SCANNER");
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set_color(CYAN, BLACK);
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mvprintw( 7, 2, "1. Comment");
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mvprintw( 8, 2, "2. Command");
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mvprintw( 9, 2, "3. Options");
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mvprintw(10, 2, "4. Available");
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mvprintw(11, 2, "5. Deleted");
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mvprintw(12, 2, "6. Error lvl");
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for (;;) {
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set_color(WHITE, BLACK);
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show_str( 7,16,40, virscan.comment);
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show_str( 8,16,64, virscan.scanner);
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show_str( 9,16,64, virscan.options);
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show_bool(10,16, virscan.available);
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show_bool(11,16, virscan.deleted);
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show_int( 12,16, virscan.error);
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j = select_menu(6);
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switch(j) {
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case 0: crc1 = 0xffffffff;
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crc1 = upd_crc32((char *)&virscan, crc1, sizeof(virscan));
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if (crc != crc1) {
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if (yes_no((char *)"Record is changed, save") == 1) {
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working(1, 0, 0);
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if ((fil = fopen(mfile, "r+")) == NULL) {
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working(2, 0, 0);
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return -1;
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}
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fseek(fil, offset, 0);
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fwrite(&virscan, sizeof(virscan), 1, fil);
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fclose(fil);
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VirUpdated = 1;
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working(6, 0, 0);
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}
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}
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IsDoing("Browsing Menu");
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return 0;
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case 1: E_STR( 7,16,40,virscan.comment, "The ^Comment^ for this record")
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case 2: E_STR( 8,16,64,virscan.scanner, "The full ^name and path^ to the binary of this scanner")
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case 3: E_STR( 9,16,64,virscan.options, "The ^commandline options^ for this scanner")
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case 4: E_BOOL(10,16, virscan.available,"Switch if this virus scanner is ^Available^ for use.")
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case 5: E_BOOL(11,16, virscan.deleted, "Is this scanner ^deleted^")
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case 6: E_INT( 12,16, virscan.error, "The ^Error Level^ the scanner returns when no virus is found")
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}
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}
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return 0;
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}
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void EditVirus(void)
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{
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int records, i, x, y;
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char pick[12];
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FILE *fil;
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char temp[PATH_MAX];
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long offset;
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clr_index();
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working(1, 0, 0);
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IsDoing("Browsing Menu");
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if (config_read() == -1) {
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working(2, 0, 0);
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return;
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}
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records = CountVirus();
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if (records == -1) {
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working(2, 0, 0);
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return;
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}
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if (OpenVirus() == -1) {
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working(2, 0, 0);
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return;
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}
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for (;;) {
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clr_index();
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set_color(WHITE, BLACK);
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mvprintw( 5, 4, "4. VIRUS SCANNERS SETUP");
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set_color(CYAN, BLACK);
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if (records != 0) {
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sprintf(temp, "%s/etc/virscan.temp", getenv("MBSE_ROOT"));
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if ((fil = fopen(temp, "r")) != NULL) {
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fread(&virscanhdr, sizeof(virscanhdr), 1, fil);
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x = 2;
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y = 7;
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set_color(CYAN, BLACK);
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for (i = 1; i <= records; i++) {
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offset = sizeof(virscanhdr) + ((i - 1) * virscanhdr.recsize);
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fseek(fil, offset, 0);
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fread(&virscan, virscanhdr.recsize, 1, fil);
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if (i == 11) {
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x = 42;
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y = 7;
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}
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if (virscan.available)
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set_color(CYAN, BLACK);
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else
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set_color(LIGHTBLUE, BLACK);
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sprintf(temp, "%3d. %-32s", i, virscan.comment);
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temp[37] = 0;
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mvprintw(y, x, temp);
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y++;
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}
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fclose(fil);
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}
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}
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strcpy(pick, select_record(records, 20));
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if (strncmp(pick, "-", 1) == 0) {
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CloseVirus(FALSE);
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return;
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}
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if (strncmp(pick, "A", 1) == 0) {
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working(1, 0, 0);
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if (AppendVirus() == 0) {
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records++;
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working(3, 0, 0);
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} else
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working(2, 0, 0);
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}
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if ((atoi(pick) >= 1) && (atoi(pick) <= records))
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EditVirRec(atoi(pick));
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}
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}
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void InitVirus(void)
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{
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CountVirus();
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OpenVirus();
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CloseVirus(TRUE);
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}
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int virus_doc(FILE *fp, FILE *toc, int page)
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{
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char temp[PATH_MAX];
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FILE *vir;
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int j;
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sprintf(temp, "%s/etc/virscan.data", getenv("MBSE_ROOT"));
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if ((vir = fopen(temp, "r")) == NULL)
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return page;
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page = newpage(fp, page);
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addtoc(fp, toc, 4, 0, page, (char *)"Virus scanners");
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j = 0;
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fprintf(fp, "\n\n");
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fread(&virscanhdr, sizeof(virscanhdr), 1, vir);
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while ((fread(&virscan, virscanhdr.recsize, 1, vir)) == 1) {
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if (j == 5) {
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page = newpage(fp, page);
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fprintf(fp, "\n");
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j = 0;
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}
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fprintf(fp, " Scanner name %s\n", virscan.comment);
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fprintf(fp, " Command line %s\n", virscan.scanner);
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fprintf(fp, " Options %s\n", virscan.options);
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fprintf(fp, " Available %s\n", getboolean(virscan.available));
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fprintf(fp, " Errorlevel OK %d\n", virscan.error);
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fprintf(fp, "\n\n\n");
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j++;
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}
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fclose(vir);
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return page;
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}
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