405 lines
11 KiB
C
405 lines
11 KiB
C
/*****************************************************************************
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*
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* $Id$
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* Purpose ...............: Add TIC file to the BBS
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*
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*****************************************************************************
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* Copyright (C) 1997-2002
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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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* MBSE 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 MBSE BBS; see the file COPYING. If not, write to the Free
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* Software Foundation, 675 Mass Ave, Cambridge, MA 02139, 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/memwatch.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/common.h"
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#include "../lib/clcomm.h"
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#include "tic.h"
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#include "fsort.h"
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#include "addbbs.h"
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extern int tic_imp;
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/*
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* Add file to the BBS file database and place it in the download
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* directory. If it is replacing a file, a file with a matching name
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* will be deleted. If there is a limit on the number of files with
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* the same name pattern, the oldest files will be deleted. The
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* files database will be packed if necessary. All modifications are
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* done on temp files first.
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*/
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int Add_BBS()
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{
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struct FILERecord frec;
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int rc, i, Insert, Done = FALSE, Found = FALSE;
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char fdbname[PATH_MAX], fdbtemp[PATH_MAX];
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char temp1[PATH_MAX], temp2[PATH_MAX], *fname, *lname;
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FILE *fdb, *fdt;
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int Keep = 0, DidDelete = FALSE;
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fd_list *fdl = NULL;
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/*
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* First check for an existing record with the same filename,
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* if it exists, update the record and we are ready. This will
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* prevent for example allfiles.zip to get a new record everytime
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* and thus the download counters will be reset after a new update.
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*/
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sprintf(fdbname, "%s/fdb/fdb%ld.data", getenv("MBSE_ROOT"), tic.FileArea);
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if ((fdb = fopen(fdbname, "r+")) != NULL) {
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while (fread(&frec, sizeof(frec), 1, fdb) == 1) {
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if (strcmp(frec.Name, TIC.NewFile) == 0) {
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sprintf(temp1, "%s/%s", TIC.Inbound, TIC.NewFile);
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sprintf(temp2, "%s/%s", TIC.BBSpath, TIC.NewFile);
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mkdirs(temp2, 0755);
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if ((rc = file_cp(temp1, temp2))) {
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WriteError("Copy to %s failed: %s", temp2, strerror(rc));
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fclose(fdb);
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return FALSE;
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}
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chmod(temp2, 0644);
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frec.TicAreaCRC = StringCRC32(TIC.TicIn.Area);
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frec.Size = TIC.FileSize;
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frec.Crc32 = TIC.Crc_Int;
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frec.Announced = TRUE;
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frec.FileDate = TIC.FileDate;
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frec.UploadDate = time(NULL);
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for (i = 0; i <= TIC.File_Id_Ct; i++) {
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strcpy(frec.Desc[i], TIC.File_Id[i]);
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if (i == 24)
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break;
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}
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if (strlen(TIC.TicIn.Magic))
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sprintf(frec.Desc[i], "Magic Request: %s", TIC.TicIn.Magic);
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fseek(fdb, 0 - sizeof(frec), SEEK_CUR);
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fwrite(&frec, sizeof(frec), 1, fdb);
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fclose(fdb);
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tic_imp++;
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if ((i = file_rm(temp1)))
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WriteError("file_rm(%s): %s", temp1, strerror(i));
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return TRUE;
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}
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}
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fclose(fdb);
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}
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/*
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* Create filedatabase record.
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*/
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memset(&frec, 0, sizeof(frec));
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strncpy(frec.Name, TIC.NewFile, sizeof(frec.Name) -1);
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if (strlen(TIC.NewFullName)) {
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strncpy(frec.LName, TIC.NewFullName, sizeof(frec.LName) -1);
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} else {
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/*
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* No LFN, fake it with a lowercase copy of the 8.3 filename.
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*/
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strncpy(frec.LName, TIC.NewFile, sizeof(frec.LName) -1);
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for (i = 0; i < strlen(frec.LName); i++)
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frec.LName[i] = tolower(frec.LName[i]);
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}
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frec.TicAreaCRC = StringCRC32(TIC.TicIn.Area);
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frec.Size = TIC.FileSize;
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frec.Crc32 = TIC.Crc_Int;
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frec.Announced = TRUE;
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sprintf(frec.Uploader, "Filemgr");
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frec.UploadDate = time(NULL);
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frec.FileDate = TIC.FileDate;
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for (i = 0; i <= TIC.File_Id_Ct; i++) {
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strcpy(frec.Desc[i], TIC.File_Id[i]);
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if (i == 24)
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break;
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}
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if (strlen(TIC.TicIn.Magic))
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sprintf(frec.Desc[i], "Magic Request: %s", TIC.TicIn.Magic);
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sprintf(temp1, "%s/%s", TIC.Inbound, TIC.NewFile);
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sprintf(temp2, "%s/%s", TIC.BBSpath, frec.Name);
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mkdirs(temp2, 0755);
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if ((rc = file_cp(temp1, temp2))) {
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WriteError("Copy to %s failed: %s", temp2, strerror(rc));
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return FALSE;
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}
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chmod(temp2, 0644);
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lname = calloc(PATH_MAX, sizeof(char));
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sprintf(lname, "%s/%s", TIC.BBSpath, frec.LName);
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if (link(temp2, lname)) {
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WriteError("$Create link %s to %s failed", temp2, lname);
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}
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free(lname);
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sprintf(fdbtemp, "%s/fdb/fdb%ld.temp", getenv("MBSE_ROOT"), tic.FileArea);
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if ((fdb = fopen(fdbname, "r+")) == NULL) {
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Syslog('+', "Fdb %s doesn't exist, creating", fdbname);
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if ((fdb = fopen(fdbname, "a+")) == NULL) {
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WriteError("$Can't create %s", fdbname);
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return FALSE;
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}
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chmod(fdbname, 0660);
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}
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/*
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* If there are no files in this area, we append the first
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* one and leave immediatly, keepnum and replace have no
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* use at this point.
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*/
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fseek(fdb, 0, SEEK_END);
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if (ftell(fdb) == 0) {
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fwrite(&frec, sizeof(frec), 1, fdb);
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fclose(fdb);
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file_rm(temp1);
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tic_imp++;
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return TRUE;
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}
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/*
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* There are already files in the area. We must now see at
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* which position to insert the new file, replace or
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* remove the old entry.
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*/
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fseek(fdb, 0, SEEK_SET);
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Insert = 0;
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do {
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if (fread(&file, sizeof(file), 1, fdb) != 1)
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Done = TRUE;
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if (!Done) {
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if (strcmp(frec.LName, file.LName) == 0) {
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Found = TRUE;
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Insert++;
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} else if (strcmp(frec.LName, file.LName) < 0)
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Found = TRUE;
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else
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Insert++;
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}
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} while ((!Found) && (!Done));
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if (Found) {
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if ((fdt = fopen(fdbtemp, "a+")) == NULL) {
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WriteError("$Can't create %s", fdbtemp);
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fclose(fdb);
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return FALSE;
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}
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fseek(fdb, 0, SEEK_SET);
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/*
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* Copy entries till the insert point.
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*/
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for (i = 0; i < Insert; i++) {
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fread(&file, sizeof(file), 1, fdb);
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/*
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* Check if we are importing a file with the same
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* name, if so, don't copy the original database
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* record. The file is also overwritten.
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*/
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if (strcmp(file.LName, frec.LName) != 0)
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fwrite(&file, sizeof(file), 1, fdt);
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}
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if (area.AddAlpha) {
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/*
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* Insert the new entry
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*/
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fwrite(&frec, sizeof(frec), 1, fdt);
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}
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/*
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* Append the rest of the entries.
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*/
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while (fread(&file, sizeof(file), 1, fdb) == 1) {
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/*
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* Check if we find a file with the same name,
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* then we skip the record what was origionaly
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* in the database record.
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*/
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if (strcmp(file.LName, frec.LName) != 0)
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fwrite(&file, sizeof(file), 1, fdt);
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}
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if (!area.AddAlpha) {
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/*
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* Append the new entry
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*/
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fwrite(&frec, sizeof(frec), 1, fdt);
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}
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fclose(fdt);
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fclose(fdb);
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/*
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* Now make the changes for real.
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*/
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if (unlink(fdbname) == 0) {
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rename(fdbtemp, fdbname);
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} else {
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WriteError("$Can't unlink %s", fdbname);
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unlink(fdbtemp);
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return FALSE;
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}
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} else {
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/*
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* Append the new entry
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*/
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fseek(fdb, 0, SEEK_END);
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fwrite(&frec, sizeof(frec), 1, fdb);
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fclose(fdb);
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}
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/*
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* Delete file from the inbound
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*/
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if ((i = file_rm(temp1)))
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WriteError("file_rm(%s): %s", temp1, strerror(i));
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/*
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* Handle the replace option.
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*/
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if ((strlen(TIC.TicIn.Replace)) && (tic.Replace)) {
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Syslog('f', "Must Replace: %s", TIC.TicIn.Replace);
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if ((fdb = fopen(fdbname, "r+")) != NULL) {
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while (fread(&file, sizeof(file), 1, fdb) == 1) {
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if (strlen(file.LName) == strlen(frec.LName)) {
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// FIXME: Search must be based on a reg_exp search
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if (strcasecmp(file.LName, frec.LName) != 0) {
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Found = TRUE;
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for (i = 0; i < strlen(frec.LName); i++) {
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if ((TIC.TicIn.Replace[i] != '?') && (toupper(TIC.TicIn.Replace[i]) != toupper(file.LName[i])))
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Found = FALSE;
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}
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if (Found) {
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Syslog('+', "Replace: Deleting: %s", file.LName);
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file.Deleted = TRUE;
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fseek(fdb, - sizeof(file), SEEK_CUR);
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fwrite(&file, sizeof(file), 1, fdb);
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DidDelete = TRUE;
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}
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}
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}
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}
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fclose(fdb);
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}
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}
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/*
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* Handle the Keep number of files option
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*/
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if (TIC.KeepNum) {
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Syslog('f', "AddBBS, handle KeepNum %d", TIC.KeepNum);
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if ((fdb = fopen(fdbname, "r")) != NULL) {
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while (fread(&file, sizeof(file), 1, fdb) == 1) {
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if ((strlen(file.LName) == strlen(frec.LName)) && (!file.Deleted)) {
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Found = TRUE;
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for (i = 0; i < strlen(file.LName); i++) {
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if ((frec.LName[i] < '0') || (frec.LName[i] > '9')) {
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if (frec.LName[i] != file.LName[i]) {
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Found = FALSE;
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}
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}
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}
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if (Found) {
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Keep++;
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Syslog('f', "Add \"%s\" to keeplist", file.LName);
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fill_fdlist(&fdl, file.LName, file.UploadDate);
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}
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}
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}
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fclose(fdb);
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}
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/*
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* If there are files to delete, mark them.
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*/
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if (Keep > TIC.KeepNum) {
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sort_fdlist(&fdl);
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if ((fdb = fopen(fdbname, "r+")) != NULL) {
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for (i = 0; i < (Keep - TIC.KeepNum); i++) {
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fname = pull_fdlist(&fdl);
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fseek(fdb, 0, SEEK_SET);
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while (fread(&file, sizeof(file), 1, fdb) == 1) {
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if (strcmp(file.LName, fname) == 0) {
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Syslog('+', "Keep %d files, deleting: %s", TIC.KeepNum, file.LName);
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file.Deleted = TRUE;
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fseek(fdb, - sizeof(file), SEEK_CUR);
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fwrite(&file, sizeof(file), 1, fdb);
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DidDelete = TRUE;
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}
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}
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}
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fclose(fdb);
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}
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}
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tidy_fdlist(&fdl);
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}
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/*
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* Now realy delete the marked files and clean the file
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* database.
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*/
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if (DidDelete) {
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if ((fdb = fopen(fdbname, "r")) != NULL) {
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if ((fdt = fopen(fdbtemp, "a+")) != NULL) {
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while (fread(&file, sizeof(file), 1, fdb) == 1)
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if (!file.Deleted)
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fwrite(&file, sizeof(file), 1, fdt);
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else {
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sprintf(temp2, "%s/%s", area.Path, file.LName);
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if (unlink(temp2) != 0)
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WriteError("$Can't unlink file %s", temp2);
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sprintf(temp2, "%s/%s", area.Path, file.Name);
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if (unlink(temp2) != 0)
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WriteError("$Can't unlink file %s", temp2);
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}
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fclose(fdb);
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fclose(fdt);
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if (unlink(fdbname) == 0) {
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rename(fdbtemp, fdbname);
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} else {
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WriteError("$Can't unlink %s", fdbname);
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unlink(fdbtemp);
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}
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} else {
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fclose(fdb);
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}
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DidDelete = FALSE;
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}
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}
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tic_imp++;
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return TRUE;
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}
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