123 lines
2.9 KiB
C
123 lines
2.9 KiB
C
/*****************************************************************************
|
|
*
|
|
* $Id$
|
|
* Purpose ...............: Unpacker
|
|
*
|
|
*****************************************************************************
|
|
* Copyright (C) 1997-2002
|
|
*
|
|
* 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, 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA.
|
|
*****************************************************************************/
|
|
|
|
#include "../config.h"
|
|
#include "../lib/libs.h"
|
|
#include "../lib/structs.h"
|
|
#include "../lib/users.h"
|
|
#include "../lib/records.h"
|
|
#include "../lib/common.h"
|
|
#include "../lib/clcomm.h"
|
|
#include "flock.h"
|
|
#include "unpack.h"
|
|
|
|
#define UNPACK_FACTOR 300
|
|
#define TOSS_FACTOR 120
|
|
|
|
|
|
extern int do_quiet;
|
|
|
|
|
|
int checkspace(char *dir, char *fn, int factor)
|
|
{
|
|
struct stat st;
|
|
struct statfs sfs;
|
|
|
|
if ((stat(fn,&st) != 0) || (statfs(dir,&sfs) != 0)) {
|
|
WriteError("Cannot stat \"%s\" or statfs \"%s\", assume enough space", fn, dir);
|
|
return 1;
|
|
}
|
|
|
|
if ((((st.st_size / sfs.f_bsize +1) * factor) / 100L) > sfs.f_bfree) {
|
|
Syslog('!', "Only %lu %lu-byte blocks left on device where %s is located",
|
|
sfs.f_bfree,sfs.f_bsize,dir);
|
|
return 0;
|
|
}
|
|
return 1;
|
|
}
|
|
|
|
|
|
|
|
/*
|
|
* Unpack archive
|
|
*/
|
|
int unpack(char *fn)
|
|
{
|
|
char newname[16];
|
|
char *cmd = NULL, *unarc;
|
|
int rc = 0, ld;
|
|
|
|
if (!do_quiet) {
|
|
colour(11, 0);
|
|
printf("Unpacking file %s\n", fn);
|
|
}
|
|
|
|
if ((unarc = unpacker(fn)) == NULL)
|
|
return 1;
|
|
|
|
if (!getarchiver(unarc))
|
|
return 1;
|
|
|
|
cmd = xstrcpy(archiver.munarc);
|
|
|
|
if ((cmd == NULL) || (cmd == ""))
|
|
return -1;
|
|
|
|
if ((ld = f_lock(fn)) == -1) {
|
|
free(cmd);
|
|
return 1;
|
|
}
|
|
|
|
if ((rc = execute(cmd,fn,(char *)NULL,(char*)"/dev/null",(char*)"/dev/null",(char*)"/dev/null")) == 0) {
|
|
sync();
|
|
unlink(fn);
|
|
} else {
|
|
sync();
|
|
sleep(1);
|
|
Syslog('!', "Warning: unpack %s failed, trying again after sync()", fn);
|
|
if ((rc = execute(cmd,fn,(char *)NULL,(char*)"/dev/null",(char*)"/dev/null",(char*)"/dev/null")) == 0) {
|
|
sync();
|
|
unlink(fn);
|
|
} else {
|
|
sync();
|
|
strncpy(newname,fn,sizeof(newname)-1);
|
|
strcpy(newname+8,".bad");
|
|
rename(fn,newname);
|
|
}
|
|
}
|
|
|
|
free(cmd);
|
|
funlock(ld);
|
|
return rc;
|
|
}
|
|
|
|
|
|
|