115 lines
2.7 KiB
C
115 lines
2.7 KiB
C
/*****************************************************************************
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*
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* $Id$
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* Purpose ...............: Unpacker
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*
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*****************************************************************************
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* Copyright (C) 1997-2005
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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, 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 "flock.h"
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#include "unpack.h"
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#define UNPACK_FACTOR 300
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#define TOSS_FACTOR 120
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extern int do_quiet;
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int checkspace(char *dir, char *fn, int factor)
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{
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struct stat st;
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struct statfs sfs;
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if ((stat(fn,&st) != 0) || (statfs(dir,&sfs) != 0)) {
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WriteError("Cannot stat \"%s\" or statfs \"%s\", assume enough space", fn, dir);
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return 1;
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}
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if ((((st.st_size / sfs.f_bsize +1) * factor) / 100L) > sfs.f_bfree) {
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Syslog('!', "Only %lu %lu-byte blocks left on device where %s is located",
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sfs.f_bfree,sfs.f_bsize,dir);
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return 0;
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}
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return 1;
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}
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/*
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* Unpack archive
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*/
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int unpack(char *fn)
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{
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char newname[16];
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char *cmd = NULL, *unarc;
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int rc = 0, ld;
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if (!do_quiet) {
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mbse_colour(LIGHTCYAN, BLACK);
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printf("Unpacking file %s\n", fn);
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}
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if ((unarc = unpacker(fn)) == NULL)
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return 1;
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if (!getarchiver(unarc))
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return 1;
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cmd = xstrcpy(archiver.munarc);
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if ((cmd == NULL) || (cmd == ""))
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return -1;
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if ((ld = f_lock(fn)) == -1) {
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free(cmd);
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return 1;
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}
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if ((rc = execute_str(cmd,fn,(char *)NULL,(char*)"/dev/null",(char*)"/dev/null",(char*)"/dev/null")) == 0) {
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unlink(fn);
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} else {
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sync();
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sleep(1);
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WriteError("Warning: unpack %s failed, trying again after sync()", fn);
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if ((rc = execute_str(cmd,fn,(char *)NULL,(char*)"/dev/null",(char*)"/dev/null",(char*)"/dev/null")) == 0) {
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unlink(fn);
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} else {
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strncpy(newname,fn,sizeof(newname)-1);
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strcpy(newname+8,".bad");
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rename(fn,newname);
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}
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}
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free(cmd);
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funlock(ld);
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return rc;
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}
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