503 lines
11 KiB
C
503 lines
11 KiB
C
/*****************************************************************************
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*
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* $Id$
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* Purpose: File Database Maintenance - utilities
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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 "../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/common.h"
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#include "../lib/clcomm.h"
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#include "../lib/dbcfg.h"
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#include "mbfutil.h"
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#include "mbfile.h"
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extern int do_quiet; /* Supress screen output */
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extern int e_pid; /* Pid of external process */
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extern time_t t_start; /* Start time */
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extern time_t t_end; /* End time */
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int marker = 0; /* Marker counter */
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void ProgName(void)
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{
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if (do_quiet)
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return;
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colour(WHITE, BLACK);
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printf("\nMBFILE: MBSE BBS %s File maintenance utility\n", VERSION);
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colour(YELLOW, BLACK);
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printf(" %s\n", COPYRIGHT);
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}
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void die(int onsig)
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{
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/*
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* First check if a child is running, if so, kill it.
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*/
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if (e_pid) {
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if ((kill(e_pid, SIGTERM)) == 0)
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Syslog('+', "SIGTERM to pid %d succeeded", e_pid);
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else {
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if ((kill(e_pid, SIGKILL)) == 0)
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Syslog('+', "SIGKILL to pid %d succeded", e_pid);
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else
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WriteError("$Failed to kill pid %d", e_pid);
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}
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/*
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* In case the child had the tty in raw mode...
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*/
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if (!do_quiet)
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system("stty sane");
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}
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signal(onsig, SIG_IGN);
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if (onsig) {
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if (onsig <= NSIG)
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WriteError("$Terminated on signal %d (%s)", onsig, SigName[onsig]);
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else
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WriteError("Terminated with error %d", onsig);
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}
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t_end = time(NULL);
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Syslog(' ', "MBFILE finished in %s", t_elapsed(t_start, t_end));
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if (!do_quiet) {
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colour(LIGHTGRAY, BLACK);
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fflush(stdout);
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}
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ExitClient(onsig);
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}
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void Help(void)
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{
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do_quiet = FALSE;
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ProgName();
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colour(LIGHTCYAN, BLACK);
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printf("\nUsage: mbfile [command] <options>\n\n");
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colour(LIGHTBLUE, BLACK);
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printf(" Commands are:\n\n");
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colour(CYAN, BLACK);
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printf(" a adopt <area> <file> [desc] Adopt file to area\n");
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printf(" c check Check filebase\n");
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printf(" d delete <area> <file> Mark file in area for deletion\n");
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printf(" im import <area> Import files in current dir to area\n");
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printf(" in index Create filerequest index\n");
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printf(" k kill Kill/move old files\n");
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printf(" l list [area] List file areas or one area\n");
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printf(" m move <from> <to> <file> Move file from to area\n");
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printf(" p pack Pack filebase\n");
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// printf(" r rearc <area> [file] [arc] Rearc file(s) in area\n");
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printf(" t toberep Show toberep database\n");
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printf(" u undelete <area> <file> Mark file in area for undeletion\n");
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colour(LIGHTBLUE, BLACK);
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printf("\n Options are:\n\n");
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colour(CYAN, BLACK);
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printf(" -a -announce Supress announce added files\n");
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printf(" -q -quiet Quiet mode\n");
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die(0);
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}
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void Marker(void)
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{
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/*
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* Keep the connection with the server alive
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*/
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Nopper();
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/*
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* Release system resources when running in the background
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*/
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if (CFG.slow_util && do_quiet)
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usleep(1);
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if (do_quiet)
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return;
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switch (marker) {
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case 0: printf(">---");
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break;
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case 1: printf(">>--");
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break;
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case 2: printf(">>>-");
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break;
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case 3: printf(">>>>");
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break;
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case 4: printf("<>>>");
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break;
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case 5: printf("<<>>");
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break;
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case 6: printf("<<<>");
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break;
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case 7: printf("<<<<");
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break;
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case 8: printf("-<<<");
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break;
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case 9: printf("--<<");
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break;
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case 10:printf("---<");
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break;
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case 11:printf("----");
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break;
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}
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printf("\b\b\b\b");
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fflush(stdout);
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if (marker < 11)
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marker++;
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else
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marker = 0;
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}
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void DeleteVirusWork()
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{
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char *buf, *temp;
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buf = calloc(PATH_MAX, sizeof(char));
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temp = calloc(PATH_MAX, sizeof(char));
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getcwd(buf, PATH_MAX);
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sprintf(temp, "%s/tmp", getenv("MBSE_ROOT"));
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if (chdir(temp) == 0) {
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Syslog('f', "DeleteVirusWork %s/arc", temp);
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system("rm -r -f arc");
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system("mkdir arc");
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} else
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WriteError("$Can't chdir to %s", temp);
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chdir(buf);
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free(temp);
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free(buf);
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}
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int UnpackFile(char *File)
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{
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char *temp, *pwd, *unarc, *cmd;
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Syslog('f', "UnpackFile(%s)", File);
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if ((unarc = unpacker(File)) == NULL) {
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Syslog('+', "Unknown archive format %s", File);
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return FALSE;
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}
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temp = calloc(PATH_MAX, sizeof(char));
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pwd = calloc(PATH_MAX, sizeof(char));
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getcwd(pwd, PATH_MAX);
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/*
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* Check if there is a temp directory to unpack the archive.
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*/
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sprintf(temp, "%s/tmp/arc", getenv("MBSE_ROOT"));
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if ((access(temp, R_OK)) != 0) {
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if (mkdir(temp, 0777)) {
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WriteError("$Can't create %s", temp);
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if (!do_quiet)
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printf("Can't create %s\n", temp);
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die(0);
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}
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}
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/*
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* Check for stale FILE_ID.DIZ files
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*/
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sprintf(temp, "%s/tmp/arc/FILE_ID.DIZ", getenv("MBSE_ROOT"));
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if (!unlink(temp))
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Syslog('+', "Removed stale %s", temp);
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sprintf(temp, "%s/tmp/arc/file_id.diz", getenv("MBSE_ROOT"));
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if (!unlink(temp))
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Syslog('+', "Removed stale %s", temp);
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if (!getarchiver(unarc)) {
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WriteError("No archiver available for %s", File);
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if (!do_quiet)
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printf("No archiver available for %s\n", File);
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return FALSE;
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}
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cmd = xstrcpy(archiver.funarc);
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if ((cmd == NULL) || (cmd == "")) {
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WriteError("No unarc command available");
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if (!do_quiet)
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printf("No unarc command available\n");
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return FALSE;
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}
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sprintf(temp, "%s/tmp/arc", getenv("MBSE_ROOT"));
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if (chdir(temp) != 0) {
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WriteError("$Can't change to %s", temp);
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die(0);
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}
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if (execute(cmd, File, (char *)NULL, (char *)"/dev/null", (char *)"/dev/null", (char *)"/dev/null") == 0) {
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chdir(pwd);
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free(temp);
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free(pwd);
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free(cmd);
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return TRUE;
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} else {
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chdir(pwd);
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WriteError("Unpack error, file may be corrupt");
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DeleteVirusWork();
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}
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return FALSE;
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}
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/*
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* Add file to the BBS. The file is in the current
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* directory. The fdb record already has all needed
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* information.
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*/
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int AddFile(struct FILERecord fdb, int Area, char *DestPath, char *FromPath)
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{
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char *temp1, *temp2;
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FILE *fp1, *fp2;
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int i, Insert, Done = FALSE, Found = FALSE;
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mkdirs(DestPath, 0755);
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if (file_cp(FromPath, DestPath)) {
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WriteError("Can't move file in place");
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return FALSE;
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}
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chmod(DestPath, 0644);
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temp1 = calloc(PATH_MAX, sizeof(char));
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temp2 = calloc(PATH_MAX, sizeof(char));
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sprintf(temp1, "%s/fdb/fdb%d.data", getenv("MBSE_ROOT"), Area);
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sprintf(temp2, "%s/fdb/fdb%d.temp", getenv("MBSE_ROOT"), Area);
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fp1 = fopen(temp1, "r+");
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fseek(fp1, 0, SEEK_END);
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if (ftell(fp1) == 0) {
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/*
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* No records yet
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*/
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fwrite(&fdb, sizeof(fdb), 1, fp1);
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fclose(fp1);
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} else {
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/*
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* Files are already there. Find the right spot.
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*/
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fseek(fp1, 0, SEEK_SET);
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Insert = 0;
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do {
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if (fread(&file, sizeof(file), 1, fp1) != 1)
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Done = TRUE;
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if (!Done) {
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if (strcmp(fdb.LName, file.LName) == 0) {
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Found = TRUE;
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Insert++;
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} else {
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if (strcmp(fdb.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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}
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} while ((!Found) && (!Done));
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if (Found) {
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if ((fp2 = fopen(temp2, "a+")) == NULL) {
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WriteError("Can't create %s", temp2);
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return FALSE;
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}
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fseek(fp1, 0, SEEK_SET);
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/*
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* Copy until 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, fp1);
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/*
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* If we are importing a file with the same name,
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* skip the original record and put the new one in place.
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*/
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if (strcmp(file.LName, fdb.LName) != 0)
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fwrite(&file, sizeof(file), 1, fp2);
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}
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if (area.AddAlpha)
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fwrite(&fdb, sizeof(fdb), 1, fp2);
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/*
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* Append the rest of the records
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*/
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while (fread(&file, sizeof(file), 1, fp1) == 1) {
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if (strcmp(file.LName, fdb.LName) != 0)
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fwrite(&file, sizeof(file), 1, fp2);
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}
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if (!area.AddAlpha)
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fwrite(&fdb, sizeof(fdb), 1, fp2);
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fclose(fp1);
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fclose(fp2);
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if (unlink(temp1) == 0) {
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rename(temp2, temp1);
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chmod(temp1, 0660);
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} else {
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WriteError("$Can't unlink %s", temp1);
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unlink(temp2);
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return FALSE;
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}
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} else { /* if (Found) */
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/*
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* Append file record
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*/
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fseek(fp1, 0, SEEK_END);
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fwrite(&fdb, sizeof(fdb), 1, fp1);
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fclose(fp1);
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}
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}
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free(temp1);
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free(temp2);
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return TRUE;
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}
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int CheckFDB(int Area, char *Path)
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{
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char *temp;
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FILE *fp;
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int rc = FALSE;
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temp = calloc(PATH_MAX, sizeof(char));
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sprintf(temp, "%s/fdb/fdb%d.data", getenv("MBSE_ROOT"), Area);
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/*
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* Open the file database, create new one if it doesn't excist.
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*/
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if ((fp = fopen(temp, "r+")) == NULL) {
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Syslog('!', "Creating new %s", temp);
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if ((fp = fopen(temp, "a+")) == NULL) {
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WriteError("$Can't create %s", temp);
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rc = TRUE;
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} else {
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fclose(fp);
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}
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} else {
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fclose(fp);
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}
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/*
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* Set the right attributes
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*/
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chmod(temp, 0660);
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/*
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* Now check the download directory
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*/
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if (access(Path, W_OK) == -1) {
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sprintf(temp, "%s/foobar", Path);
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if (mkdirs(temp, 0755))
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Syslog('+', "Created directory %s", Path);
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}
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free(temp);
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return rc;
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}
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/*
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* Load Area Record
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*/
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int LoadAreaRec(int Area)
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{
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FILE *pAreas;
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char *sAreas;
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sAreas = calloc(PATH_MAX, sizeof(char));
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sprintf(sAreas, "%s/etc/fareas.data", getenv("MBSE_ROOT"));
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if ((pAreas = fopen (sAreas, "r")) == NULL) {
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WriteError("$Can't open %s", sAreas);
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if (!do_quiet)
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printf("Can't open %s\n", sAreas);
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return FALSE;
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}
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fread(&areahdr, sizeof(areahdr), 1, pAreas);
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if (fseek(pAreas, ((Area - 1) * areahdr.recsize) + areahdr.hdrsize, SEEK_SET)) {
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WriteError("$Can't seek record %d in %s", Area, sAreas);
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if (!do_quiet)
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printf("Can't seek record %d in %s\n", Area, sAreas);
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fclose(pAreas);
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free(sAreas);
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return FALSE;
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}
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if (fread(&area, areahdr.recsize, 1, pAreas) != 1) {
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WriteError("$Can't read record %d in %s", Area, sAreas);
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if (!do_quiet)
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printf("Can't read record %d in %s\n", Area, sAreas);
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fclose(pAreas);
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free(sAreas);
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return FALSE;
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}
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fclose(pAreas);
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free(sAreas);
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return TRUE;
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}
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