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deb-mbse/lib/rearc.c

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2009-05-15 20:01:56 +00:00
/*****************************************************************************
*
* $Id: rearc.c,v 1.7 2008/11/26 21:40:54 mbse Exp $
* Purpose ...............: ReArc an archive.
*
*****************************************************************************
* Copyright (C) 1997-2008
*
* 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 "mbselib.h"
/*
* Rearchive an archive, if successfull the filename is updated.
* If it fails, return -1.
*/
int rearc(char *filename, char *arctype, int do_quiet)
{
char *p, *uncmd = NULL, *arccmd = NULL, *unarc, *newname, *workpath, *oldpath, *temp;
int rc = 0;
Syslog('f', "rearc(%s, %s)", filename, arctype);
if (!do_quiet) {
mbse_colour(LIGHTRED, BLACK);
printf(" ReArc file %s ", filename);
fflush(stdout);
}
if (strchr(filename, '/') == NULL) {
if (!do_quiet) {
mbse_colour(LIGHTRED, BLACK);
printf(" no path in filename\n");
}
Syslog('+', "rearc(%s, %s), no path in filename", filename, arctype);
return -1;
}
if ((unarc = unpacker(filename)) == NULL) {
if (!do_quiet) {
mbse_colour(LIGHTRED, BLACK);
printf(" unknown archive type\n");
}
return -1;
}
if (!getarchiver(unarc)) {
if (!do_quiet) {
mbse_colour(LIGHTRED, BLACK);
printf(" no unarchiver available\n");
}
Syslog('+', "rearc(%s, %s), no unarchiver available", filename, arctype);
return -1;
}
if (strlen(archiver.funarc) == 0) {
if (!do_quiet) {
mbse_colour(LIGHTRED, BLACK);
printf(" no unarchive command available\n");
}
Syslog('+', "rearc(%s, %s), no unarchive command available", filename, arctype);
return -1;
}
uncmd = xstrcpy(archiver.funarc);
newname = calloc(PATH_MAX, sizeof(char));
strcpy(newname, filename);
p = strrchr(newname, '.');
*p++;
*p = '\0';
if (!getarchiver(arctype)) {
if (!do_quiet) {
mbse_colour(LIGHTRED, BLACK);
printf(" no archiver available\n");
}
Syslog('+', "rearc(%s, %s), no archiver available", filename, arctype);
free(uncmd);
free(newname);
return -1;
}
if (strcmp(unarc, archiver.name) == 0) {
if (!do_quiet) {
mbse_colour(LIGHTRED, BLACK);
printf(" already in %s format\n", arctype);
}
Syslog('+', "rearc(%s, %s), already in %s format", filename, arctype, arctype);
free(uncmd);
free(newname);
return -1;
}
snprintf(p, 6, "%s", archiver.name);
Syslog('f', "new filename %s", newname);
if (strlen(archiver.farc) == 0) {
if (!do_quiet) {
mbse_colour(LIGHTRED, BLACK);
printf(" no archive command available\n");
}
Syslog('+', "rearc(%s, %s), no archive command available", filename, arctype);
free(uncmd);
free(newname);
return -1;
}
arccmd = xstrcpy(archiver.farc);
/*
* unarchive and archive commands are available, create a temp directory to work in.
*/
workpath = calloc(PATH_MAX, sizeof(char));
oldpath = calloc(PATH_MAX, sizeof(char));
temp = calloc(PATH_MAX, sizeof(char));
getcwd(oldpath, PATH_MAX);
snprintf(workpath, PATH_MAX -1, "%s/tmp/rearc%d", getenv("MBSE_ROOT"), getpid());
snprintf(temp, PATH_MAX -1, "%s/%s", workpath, filename);
rc = mkdirs(temp, 0755) ? 0 : -1;
if (rc == 0) {
if ((rc = chdir(workpath)) == -1) {
WriteError("$Can't chdir to %s", workpath);
}
}
if (!do_quiet) {
mbse_colour(LIGHTCYAN, BLACK);
printf("\rUnpacking file %s ", filename);
fflush(stdout);
}
/*
* Unarchive
*/
if (rc == 0) {
if ((rc = execute_str(uncmd,filename,(char *)NULL,(char*)"/dev/null",(char*)"/dev/null",(char*)"/dev/null"))) {
WriteError("$Can't unpack %s", filename);
}
}
if (!do_quiet) {
mbse_colour(LIGHTGREEN, BLACK);
printf("\r Packing file %s ", newname);
}
/*
* Archive
*/
if (rc == 0) {
if ((rc = execute_str(arccmd,newname,(char *)".",(char*)"/dev/null",(char*)"/dev/null",(char*)"/dev/null"))) {
WriteError("$Can't pack %s", newname);
}
}
if (rc == 0)
unlink(filename);
if ((rc = chdir(oldpath)) == -1) {
WriteError("$Can't chdir to %s", oldpath);
}
/*
* Clean and remove workdir
*/
snprintf(temp, PATH_MAX -1, "-rf %s", workpath);
execute_pth((char *)"rm", temp, (char*)"/dev/null", (char*)"/dev/null", (char*)"/dev/null");
if (rc == 0)
snprintf(filename, PATH_MAX -1, "%s", newname);
free(workpath);
free(oldpath);
free(temp);
free(uncmd);
free(arccmd);
free(newname);
return rc;
}