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deb-mbse/mbfido/mbfkill.c

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/*****************************************************************************
*
* $Id$
* Purpose: File Database Maintenance, kill or move old files
*
*****************************************************************************
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* Copyright (C) 1997-2004
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*
* 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
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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/mbselib.h"
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#include "../lib/users.h"
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#include "../lib/mbsedb.h"
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#include "mbfkill.h"
#include "mbfutil.h"
extern int do_quiet; /* Suppress screen output */
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extern int do_pack; /* Perform pack */
/*
* Check files for age, and not downloaded for x days. If they match
* one of these criteria (setable in areas setup), the file will be
* move to some retire area or deleted, depending on the setup.
* If they are moved, the upload date is reset to the current date,
* so you can set new removal criteria again.
*/
void Kill(void)
{
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FILE *pAreas, *pFile, *pDest, *pTemp;
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int i, iAreas, iAreasNew = 0, iTotal = 0, iKilled = 0, iMoved = 0, rc, Killit;
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char *sAreas, *fAreas, *newdir = NULL, *sTemp, from[PATH_MAX], to[PATH_MAX];
time_t Now;
struct fileareas darea;
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sAreas = calloc(PATH_MAX, sizeof(char));
fAreas = calloc(PATH_MAX, sizeof(char));
sTemp = calloc(PATH_MAX, sizeof(char));
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IsDoing("Kill files");
if (!do_quiet) {
colour(3, 0);
printf("Kill/move files...\n");
}
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sprintf(sAreas, "%s/etc/fareas.data", getenv("MBSE_ROOT"));
if ((pAreas = fopen (sAreas, "r")) == NULL) {
WriteError("Can't open %s", sAreas);
die(MBERR_INIT_ERROR);
}
fread(&areahdr, sizeof(areahdr), 1, pAreas);
fseek(pAreas, 0, SEEK_END);
iAreas = (ftell(pAreas) - areahdr.hdrsize) / areahdr.recsize;
Now = time(NULL);
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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) && (area.DLdays || area.FDdays) && (!area.CDrom)) {
if (!diskfree(CFG.freespace))
die(MBERR_DISK_FULL);
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('!', "Create dir: %s", area.Path);
newdir = xstrcpy(area.Path);
newdir = xstrcat(newdir, (char *)"/");
mkdirs(newdir, 0755);
free(newdir);
newdir = NULL;
}
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sprintf(fAreas, "%s/fdb/file%d.data", getenv("MBSE_ROOT"), i);
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/*
* 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(MBERR_GENERAL);
}
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fdbhdr.hdrsize = sizeof(fdbhdr);
fdbhdr.recsize = sizeof(fdb);
fwrite(&fdbhdr, sizeof(fdbhdr), 1, pFile);
} else {
fread(&fdbhdr, sizeof(fdbhdr), 1, pFile);
}
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/*
* Now start checking the files in the filedatabase
* against the contents of the directory.
*/
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while (fread(&fdb, fdbhdr.recsize, 1, pFile) == 1) {
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iTotal++;
Marker();
Killit = FALSE;
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if (!fdb.UploadDate)
Syslog('!', "Warning: file %s in area %d has no upload date", fdb.Name, i);
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if (area.DLdays) {
/*
* Test last download date or never downloaded and the
* file is more then n days available for download.
*/
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if ((fdb.LastDL) && (((Now - fdb.LastDL) / 84400) > area.DLdays)) {
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Killit = TRUE;
}
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if ((!fdb.LastDL) && fdb.UploadDate && (((Now - fdb.UploadDate) / 84400) > area.DLdays)) {
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Killit = TRUE;
}
}
if (area.FDdays) {
/*
* Check filedate
*/
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if (fdb.UploadDate && (((Now - fdb.UploadDate) / 84400) > area.FDdays)) {
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Killit = TRUE;
}
}
if (Killit) {
do_pack = TRUE;
if (area.MoveArea) {
fseek(pAreas, ((area.MoveArea -1) * areahdr.recsize) + areahdr.hdrsize, SEEK_SET);
fread(&darea, areahdr.recsize, 1, pAreas);
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sprintf(from, "%s/%s", area.Path, fdb.Name);
sprintf(to, "%s/%s", darea.Path, fdb.Name);
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if ((rc = file_mv(from, to)) == 0) {
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Syslog('+', "Move %s, area %d => %d", fdb.Name, i, area.MoveArea);
sprintf(to, "%s/fdb/file%d.data", getenv("MBSE_ROOT"), area.MoveArea);
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if ((pDest = fopen(to, "a+")) != NULL) {
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fseek(pDest, 0, SEEK_END);
if (ftell(pDest) == 0) {
/* New file, write header */
fwrite(&fdbhdr, fdbhdr.hdrsize, 1, pDest);
}
fdb.UploadDate = time(NULL);
fdb.LastDL = time(NULL);
fwrite(&fdb, fdbhdr.recsize, 1, pDest);
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fclose(pDest);
}
/*
* Now again if there is a dotted version (thumbnail) of this file.
*/
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sprintf(from, "%s/.%s", area.Path, fdb.Name);
sprintf(to, "%s/.%s", darea.Path, fdb.Name);
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if (file_exist(from, R_OK) == 0)
file_mv(from, to);
/*
* Unlink the old symbolic link
*/
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sprintf(from, "%s/%s", area.Path, fdb.LName);
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unlink(from);
/*
* Create the new symbolic link
*/
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sprintf(from, "%s/%s", darea.Path, fdb.Name);
sprintf(to, "%s/%s", darea.Path, fdb.LName);
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symlink(from, to);
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fdb.Deleted = TRUE;
fseek(pFile, - fdbhdr.recsize, SEEK_CUR);
fwrite(&fdb, fdbhdr.recsize, 1, pFile);
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iMoved++;
} else {
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WriteError("Move %s to area %d failed, %s", fdb.Name, area.MoveArea, strerror(rc));
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}
} else {
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Syslog('+', "Delete %s, area %d", fdb.LName, i);
fdb.Deleted = TRUE;
fseek(pFile, - fdbhdr.recsize, SEEK_CUR);
fwrite(&fdb, fdbhdr.recsize, 1, pFile);
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iKilled++;
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sprintf(from, "%s/%s", area.Path, fdb.LName);
unlink(from);
sprintf(from, "%s/%s", area.Path, fdb.Name);
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unlink(from);
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sprintf(from, "%s/.%s", area.Path, fdb.Name);
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unlink(from);
}
}
}
/*
* Now we must pack this area database otherwise
* we run into trouble later on.
*/
fseek(pFile, 0, SEEK_SET);
sprintf(sTemp, "%s/fdb/fdbtmp.data", getenv("MBSE_ROOT"));
if ((pTemp = fopen(sTemp, "a+")) != NULL) {
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fwrite(&fdbhdr, fdbhdr.hdrsize, 1, pTemp);
while (fread(&fdb, fdbhdr.recsize, 1, pFile) == 1) {
if ((!fdb.Deleted) && strcmp(fdb.LName, "") != 0) {
fwrite(&fdb, fdbhdr.recsize, 1, pTemp);
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}
}
fclose(pFile);
fclose(pTemp);
if ((rename(sTemp, fAreas)) == 0) {
unlink(sTemp);
chmod(fAreas, 006600);
}
} else
fclose(pFile);
iAreasNew++;
} /* if area.Available */
}
fclose(pAreas);
Syslog('+', "Kill Areas [%5d] Files [%5d] Deleted [%5d] Moved [%5d]", iAreasNew, iTotal, iKilled, iMoved);
if (!do_quiet) {
printf("\r \r");
fflush(stdout);
}
free(sTemp);
free(sAreas);
free(fAreas);
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}