/***************************************************************************** * * $Id$ * Purpose: File Database Maintenance - Check filebase * ***************************************************************************** * 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. * * MBSE 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 MBSE 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/common.h" #include "../lib/clcomm.h" #include "../lib/dbcfg.h" #include "mbfutil.h" #include "mbfcheck.h" extern int do_quiet; /* Supress screen output */ extern int do_pack; /* Pack filebase */ /* * Check file database integrity, all files in the file database must * exist in real, the size and date/time must match, the files crc is * checked, and if anything is wrong, the file database is updated. * If the file is missing the entry is marked as deleted. With the * pack option that record will be removed. * After these checks, de database is checked for missing records, if * there are files on disk but not in the directory these files are * deleted. System files (beginning with a dot) are left alone and * the files 'files.bbs', 'files.bak', '00index', 'header' 'readme' * and 'index.html' too. * * Remarks: Maybe if the crc check fails, and the date and time are * ok, the file is damaged and must be made unavailable. */ void Check(void) { FILE *pAreas, *pFile; int i, iAreas, iAreasNew = 0; int iTotal = 0, iErrors = 0; char *sAreas, *fAreas, *newdir; DIR *dp; struct dirent *de; int Found, Update; char fn[PATH_MAX]; struct stat stb; sAreas = calloc(PATH_MAX, sizeof(char)); fAreas = calloc(PATH_MAX, sizeof(char)); newdir = calloc(PATH_MAX, sizeof(char)); if (!do_quiet) { colour(3, 0); printf("Checking file database...\n"); } sprintf(sAreas, "%s/etc/fareas.data", getenv("MBSE_ROOT")); if ((pAreas = fopen (sAreas, "r")) == NULL) { WriteError("Can't open %s", sAreas); die(0); } fread(&areahdr, sizeof(areahdr), 1, pAreas); fseek(pAreas, 0, SEEK_END); iAreas = (ftell(pAreas) - areahdr.hdrsize) / areahdr.recsize; for (i = 1; i <= iAreas; i++) { fseek(pAreas, ((i-1) * areahdr.recsize) + areahdr.hdrsize, SEEK_SET); fread(&area, areahdr.recsize, 1, pAreas); if (area.Available) { IsDoing("Check area %d", i); if (!do_quiet) { printf("\r%4d => %-44s \b\b\b\b", i, area.Name); fflush(stdout); } /* * Check if download directory exists, * if not, create the directory. */ if (access(area.Path, R_OK) == -1) { Syslog('!', "No dir: %s", area.Path); sprintf(newdir, "%s/foobar", area.Path); mkdirs(newdir); } sprintf(fAreas, "%s/fdb/fdb%d.data", getenv("MBSE_ROOT"), i); /* * Open the file database, if it doesn't exist, * create an empty one. */ if ((pFile = fopen(fAreas, "r+")) == NULL) { Syslog('!', "Creating new %s", fAreas); if ((pFile = fopen(fAreas, "a+")) == NULL) { WriteError("$Can't create %s", fAreas); die(0); } } /* * Now start checking the files in the filedatabase * against the contents of the directory. */ while (fread(&file, sizeof(file), 1, pFile) == 1) { iTotal++; sprintf(newdir, "%s/%s", area.Path, file.Name); if (file_exist(newdir, R_OK)) { Syslog('+', "File %s area %d not on disk.", newdir, i); if (!file.NoKill) { file.Deleted = TRUE; do_pack = TRUE; } iErrors++; file.Missing = TRUE; fseek(pFile, - sizeof(file), SEEK_CUR); fwrite(&file, sizeof(file), 1, pFile); } else { /* * File exists, now check the file. */ Marker(); Update = FALSE; if (file_time(newdir) != file.FileDate) { Syslog('!', "Date mismatch area %d file %s", i, file.Name); file.FileDate = file_time(newdir); iErrors++; Update = TRUE; } if (file_size(newdir) != file.Size) { Syslog('!', "Size mismatch area %d file %s", i, file.Name); file.Size = file_size(newdir); iErrors++; Update = TRUE; } if (file_crc(newdir, CFG.slow_util && do_quiet) != file.Crc32) { Syslog('!', "CRC error area %d, file %s", i, file.Name); file.Crc32 = file_crc(newdir, CFG.slow_util && do_quiet); iErrors++; Update = TRUE; } Marker(); if (Update) { fseek(pFile, - sizeof(file), SEEK_CUR); fwrite(&file, sizeof(file), 1, pFile); } } } /* * Check files in the directory against the database. * This test is skipped for CD-rom. */ if (!area.CDrom) { if ((dp = opendir(area.Path)) != NULL) { while ((de = readdir(dp)) != NULL) { if (de->d_name[0] != '.') { Marker(); Found = FALSE; rewind(pFile); while (fread(&file, sizeof(file), 1, pFile) == 1) { if (strcmp(file.Name, de->d_name) == 0) { Found = TRUE; break; } } if ((!Found) && (strncmp(de->d_name, "files.bbs", 9)) && (strncmp(de->d_name, "files.bak", 9)) && (strncmp(de->d_name, "00index", 7)) && (strncmp(de->d_name, "header", 6)) && (strncmp(de->d_name, "index", 5)) && (strncmp(de->d_name, "readme", 6))) { sprintf(fn, "%s/%s", area.Path, de->d_name); if (stat(fn, &stb) == 0) if (S_ISREG(stb.st_mode)) { if (unlink(fn) == 0) { Syslog('!', "%s not in fdb, deleted from disk", fn); iErrors++; } else { WriteError("$%s not in fdb, cannot delete", fn); } } } } } closedir(dp); } else { WriteError("Can't open %s", area.Path); } } fclose(pFile); chmod(fAreas, 0660); iAreasNew++; } /* if area.Available */ } fclose(pAreas); if (!do_quiet) { printf("\r \r"); fflush(stdout); } free(newdir); free(sAreas); free(fAreas); Syslog('+', "Check Areas [%5d] Files [%5d] Errors [%5d]", iAreasNew, iTotal, iErrors); }