/***************************************************************************** * * File ..................: setup/m_virus.c * Purpose ...............: Setup Virus structure. * Last modification date : 19-Oct-2001 * ***************************************************************************** * Copyright (C) 1997-2001 * * Michiel Broek FIDO: 2:280/2802 * Beekmansbos 10 * 1971 BV IJmuiden * the Netherlands * * This file is part of MBSE BBS. * * This BBS 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, or (at your option) any * later version. * * MB BBS 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 MB BBS; see the file COPYING. If not, write to the Free * Software Foundation, 675 Mass Ave, Cambridge, MA 02139, USA. *****************************************************************************/ #include "../lib/libs.h" #include "../lib/structs.h" #include "../lib/records.h" #include "../lib/clcomm.h" #include "../lib/common.h" #include "screen.h" #include "mutil.h" #include "ledit.h" #include "stlist.h" #include "m_global.h" #include "m_virus.h" int VirUpdated = 0; /* * Count nr of virscan records in the database. * Creates the database if it doesn't exist. */ int CountVirus(void) { FILE *fil; char ffile[PATH_MAX]; int count; sprintf(ffile, "%s/etc/virscan.data", getenv("MBSE_ROOT")); if ((fil = fopen(ffile, "r")) == NULL) { if ((fil = fopen(ffile, "a+")) != NULL) { Syslog('+', "Created new %s", ffile); virscanhdr.hdrsize = sizeof(virscanhdr); virscanhdr.recsize = sizeof(virscan); fwrite(&virscanhdr, sizeof(virscanhdr), 1, fil); /* * Create some default records but don't enable them. */ memset(&virscan, 0, sizeof(virscan)); sprintf(virscan.comment, "AntiVir/Linux Scanner"); sprintf(virscan.scanner, "/usr/bin/antivir"); sprintf(virscan.options, "-allfiles -s -q"); fwrite(&virscan, sizeof(virscan), 1, fil); memset(&virscan, 0, sizeof(virscan)); sprintf(virscan.comment, "F-Prot scanner"); sprintf(virscan.scanner, "/usr/local/bin/f-prot ."); sprintf(virscan.options, "-archive -silent"); fwrite(&virscan, sizeof(virscan), 1, fil); memset(&virscan, 0, sizeof(virscan)); sprintf(virscan.comment, "McAfee VirusScan for Linux"); sprintf(virscan.scanner, "/usr/local/bin/uvscan"); sprintf(virscan.options, "--noboot --noexpire -r --secure -"); fwrite(&virscan, sizeof(virscan), 1, fil); fclose(fil); return 2; } else return -1; } fread(&virscanhdr, sizeof(virscanhdr), 1, fil); fseek(fil, 0, SEEK_END); count = (ftell(fil) - virscanhdr.hdrsize) / virscanhdr.recsize; fclose(fil); return count; } /* * Open database for editing. The datafile is copied, if the format * is changed it will be converted on the fly. All editing must be * done on the copied file. */ int OpenVirus(void); int OpenVirus(void) { FILE *fin, *fout; char fnin[PATH_MAX], fnout[PATH_MAX]; long oldsize; sprintf(fnin, "%s/etc/virscan.data", getenv("MBSE_ROOT")); sprintf(fnout, "%s/etc/virscan.temp", getenv("MBSE_ROOT")); if ((fin = fopen(fnin, "r")) != NULL) { if ((fout = fopen(fnout, "w")) != NULL) { fread(&virscanhdr, sizeof(virscanhdr), 1, fin); /* * In case we are automatic upgrading the data format * we save the old format. If it is changed, the * database must always be updated. */ oldsize = virscanhdr.recsize; if (oldsize != sizeof(virscan)) { VirUpdated = 1; Syslog('+', "Upgraded %s, format changed", fnin); } else VirUpdated = 0; virscanhdr.hdrsize = sizeof(virscanhdr); virscanhdr.recsize = sizeof(virscan); fwrite(&virscanhdr, sizeof(virscanhdr), 1, fout); /* * The datarecord is filled with zero's before each * read, so if the format changed, the new fields * will be empty. */ memset(&virscan, 0, sizeof(virscan)); while (fread(&virscan, oldsize, 1, fin) == 1) { fwrite(&virscan, sizeof(virscan), 1, fout); memset(&virscan, 0, sizeof(virscan)); } fclose(fin); fclose(fout); return 0; } else return -1; } return -1; } void CloseVirus(int); void CloseVirus(int force) { char fin[PATH_MAX], fout[PATH_MAX]; FILE *fi, *fo; st_list *vir = NULL, *tmp; sprintf(fin, "%s/etc/virscan.data", getenv("MBSE_ROOT")); sprintf(fout,"%s/etc/virscan.temp", getenv("MBSE_ROOT")); if (VirUpdated == 1) { if (force || (yes_no((char *)"Database is changed, save changes") == 1)) { working(1, 0, 0); fi = fopen(fout, "r"); fo = fopen(fin, "w"); fread(&virscanhdr, virscanhdr.hdrsize, 1, fi); fwrite(&virscanhdr, virscanhdr.hdrsize, 1, fo); while (fread(&virscan, virscanhdr.recsize, 1, fi) == 1) if (!virscan.deleted) fill_stlist(&vir, virscan.comment, ftell(fi) - virscanhdr.recsize); sort_stlist(&vir); for (tmp = vir; tmp; tmp = tmp->next) { fseek(fi, tmp->pos, SEEK_SET); fread(&virscan, virscanhdr.recsize, 1, fi); fwrite(&virscan, virscanhdr.recsize, 1, fo); } tidy_stlist(&vir); fclose(fi); fclose(fo); unlink(fout); Syslog('+', "Updated \"virscan.data\""); return; } } working(1, 0, 0); unlink(fout); } int AppendVirus(void) { FILE *fil; char ffile[PATH_MAX]; sprintf(ffile, "%s/etc/virscan.temp", getenv("MBSE_ROOT")); if ((fil = fopen(ffile, "a")) != NULL) { memset(&virscan, 0, sizeof(virscan)); fwrite(&virscan, sizeof(virscan), 1, fil); fclose(fil); VirUpdated = 1; return 0; } else return -1; } /* * Edit one record, return -1 if there are errors, 0 if ok. */ int EditVirRec(int Area) { FILE *fil; char mfile[PATH_MAX]; long offset; int j; unsigned long crc, crc1; clr_index(); working(1, 0, 0); IsDoing("Edit VirScan"); sprintf(mfile, "%s/etc/virscan.temp", getenv("MBSE_ROOT")); if ((fil = fopen(mfile, "r")) == NULL) { working(2, 0, 0); return -1; } offset = sizeof(virscanhdr) + ((Area -1) * sizeof(virscan)); if (fseek(fil, offset, 0) != 0) { working(2, 0, 0); return -1; } fread(&virscan, sizeof(virscan), 1, fil); fclose(fil); crc = 0xffffffff; crc = upd_crc32((char *)&virscan, crc, sizeof(virscan)); working(0, 0, 0); set_color(WHITE, BLACK); mvprintw( 5, 2, "4. EDIT VIRUS SCANNER"); set_color(CYAN, BLACK); mvprintw( 7, 2, "1. Comment"); mvprintw( 8, 2, "2. Command"); mvprintw( 9, 2, "3. Options"); mvprintw(10, 2, "4. Available"); mvprintw(11, 2, "5. Deleted"); mvprintw(12, 2, "6. Error lvl"); for (;;) { set_color(WHITE, BLACK); show_str( 7,16,40, virscan.comment); show_str( 8,16,64, virscan.scanner); show_str( 9,16,64, virscan.options); show_bool(10,16, virscan.available); show_bool(11,16, virscan.deleted); show_int( 12,16, virscan.error); j = select_menu(6); switch(j) { case 0: crc1 = 0xffffffff; crc1 = upd_crc32((char *)&virscan, crc1, sizeof(virscan)); if (crc != crc1) { if (yes_no((char *)"Record is changed, save") == 1) { working(1, 0, 0); if ((fil = fopen(mfile, "r+")) == NULL) { working(2, 0, 0); return -1; } fseek(fil, offset, 0); fwrite(&virscan, sizeof(virscan), 1, fil); fclose(fil); VirUpdated = 1; working(0, 0, 0); } } IsDoing("Browsing Menu"); return 0; case 1: E_STR( 7,16,40,virscan.comment, "The ^Comment^ for this record") case 2: E_STR( 8,16,64,virscan.scanner, "The full ^name and path^ to the binary of this scanner") case 3: E_STR( 9,16,64,virscan.options, "The ^commandline options^ for this scanner") case 4: E_BOOL(10,16, virscan.available,"Switch if this virus scanner is ^Available^ for use.") case 5: E_BOOL(11,16, virscan.deleted, "Is this scanner ^deleted^") case 6: E_INT( 12,16, virscan.error, "The ^Error Level^ the scanner returns when no virus is found") } } return 0; } void EditVirus(void) { int records, i, x, y; char pick[12]; FILE *fil; char temp[PATH_MAX]; long offset; clr_index(); working(1, 0, 0); IsDoing("Browsing Menu"); if (config_read() == -1) { working(2, 0, 0); return; } records = CountVirus(); if (records == -1) { working(2, 0, 0); return; } if (OpenVirus() == -1) { working(2, 0, 0); return; } working(0, 0, 0); for (;;) { clr_index(); set_color(WHITE, BLACK); mvprintw( 5, 4, "4. VIRUS SCANNERS SETUP"); set_color(CYAN, BLACK); if (records != 0) { sprintf(temp, "%s/etc/virscan.temp", getenv("MBSE_ROOT")); if ((fil = fopen(temp, "r")) != NULL) { fread(&virscanhdr, sizeof(virscanhdr), 1, fil); x = 2; y = 7; set_color(CYAN, BLACK); for (i = 1; i <= records; i++) { offset = sizeof(virscanhdr) + ((i - 1) * virscanhdr.recsize); fseek(fil, offset, 0); fread(&virscan, virscanhdr.recsize, 1, fil); if (i == 11) { x = 42; y = 7; } if (virscan.available) set_color(CYAN, BLACK); else set_color(LIGHTBLUE, BLACK); sprintf(temp, "%3d. %-32s", i, virscan.comment); temp[37] = 0; mvprintw(y, x, temp); y++; } fclose(fil); } } strcpy(pick, select_record(records, 20)); if (strncmp(pick, "-", 1) == 0) { CloseVirus(FALSE); return; } if (strncmp(pick, "A", 1) == 0) { working(1, 0, 0); if (AppendVirus() == 0) { records++; working(3, 0, 0); } else working(2, 0, 0); working(0, 0, 0); } if ((atoi(pick) >= 1) && (atoi(pick) <= records)) EditVirRec(atoi(pick)); } } void InitVirus(void) { CountVirus(); OpenVirus(); CloseVirus(TRUE); } int virus_doc(FILE *fp, FILE *toc, int page) { char temp[PATH_MAX]; FILE *vir; int j; sprintf(temp, "%s/etc/virscan.data", getenv("MBSE_ROOT")); if ((vir = fopen(temp, "r")) == NULL) return page; page = newpage(fp, page); addtoc(fp, toc, 4, 0, page, (char *)"Virus scanners"); j = 0; fprintf(fp, "\n\n"); fread(&virscanhdr, sizeof(virscanhdr), 1, vir); while ((fread(&virscan, virscanhdr.recsize, 1, vir)) == 1) { if (j == 5) { page = newpage(fp, page); fprintf(fp, "\n"); j = 0; } fprintf(fp, " Scanner name %s\n", virscan.comment); fprintf(fp, " Command line %s\n", virscan.scanner); fprintf(fp, " Options %s\n", virscan.options); fprintf(fp, " Available %s\n", getboolean(virscan.available)); fprintf(fp, " Errorlevel OK %d\n", virscan.error); fprintf(fp, "\n\n\n"); j++; } fclose(vir); return page; }