vshost-util-vserver

Build script and sources for util-vserver.
git clone https://ccx.te2000.cz/git/vshost-util-vserver
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matchvserverinfo-init.c (2293B)


      1 // $Id$    --*- c -*--
      2 
      3 // Copyright (C) 2005 Enrico Scholz <enrico.scholz@informatik.tu-chemnitz.de>
      4 //  
      5 // This program is free software; you can redistribute it and/or modify
      6 // it under the terms of the GNU General Public License as published by
      7 // the Free Software Foundation; version 2 of the License.
      8 //  
      9 // This program is distributed in the hope that it will be useful,
     10 // but WITHOUT ANY WARRANTY; without even the implied warranty of
     11 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
     12 // GNU General Public License for more details.
     13 //  
     14 // You should have received a copy of the GNU General Public License
     15 // along with this program; if not, write to the Free Software
     16 // Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
     17 
     18 
     19 #ifdef HAVE_CONFIG_H
     20 #  include <config.h>
     21 #endif
     22 
     23 #include "matchlist.h"
     24 #include "util.h"
     25 
     26 #include <pathconfig.h>
     27 
     28 #include <string.h>
     29 #include <unistd.h>
     30 #include <stdlib.h>
     31 #include <assert.h>
     32 #include <sys/param.h>
     33 
     34 static bool
     35 exists(char *path, size_t len, char const *name)
     36 {
     37   if (name) strcpy(path + len, name);
     38 
     39   return access(path, R_OK)!=-1;
     40 }
     41 
     42 #define EXISTS(X)		exists(X, sizeof(X)-1, 0)
     43 #define DEFAULT_EXISTS(X)	EXISTS(CONFDIR "/.defaults/apps/vunify/" X)
     44 
     45 bool
     46 MatchVserverInfo_init(struct MatchVserverInfo *info)
     47 {
     48   assert(info->name!=0);
     49   assert(info->vdir.d==0 && info->appdir.d==0);
     50   
     51   info->style    = vc_getVserverCfgStyle(info->name);
     52   info->vdir.d   = vc_getVserverVdir    (info->name, info->style, true);
     53   info->appdir.d = vc_getVserverAppDir  (info->name, info->style, "vunify");
     54 
     55   if (info->vdir.d==0 || info->appdir.d==0) {
     56     free(const_cast(char *)(info->vdir.d));
     57     free(const_cast(char *)(info->appdir.d));
     58 
     59     return false;
     60   }
     61 
     62   info->vdir.l   = strlen(info->vdir.d);
     63   info->appdir.l = strlen(info->appdir.d);
     64 
     65   size_t const	l = info->appdir.l;
     66   char		tmp[l + MAX(sizeof("/pkgmgmt-ignore"),sizeof("/pkgmgmt-force"))];
     67 
     68   memcpy(tmp, info->appdir.d, l);
     69 
     70   if      (exists(tmp, l, "/pkgmgmt-ignore")) info->use_pkgmgmt = false;
     71   else if (exists(tmp, l, "/pkgmgmt-force"))  info->use_pkgmgmt = true;
     72   else if (DEFAULT_EXISTS ("pkgmgmt-ignore")) info->use_pkgmgmt = false;
     73   else if (DEFAULT_EXISTS ("pkgmgmt-force"))  info->use_pkgmgmt = true;
     74 
     75   return true;
     76 }