src/misc-progs/installfcdsl.c

   1 /*
   2  * This file is part of the IPCop Firewall.
   3  *
   4  * IPCop is free software; you can redistribute it and/or modify
   5  * it under the terms of the GNU General Public License as published by
   6  * the Free Software Foundation; either version 2 of the License, or
   7  * (at your option) any later version.
   8  *
   9  * IPCop 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 IPCop; if not, write to the Free Software
  16  * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307 USA
  17  *
  18  * Copyright (C) 2004-10-14 Gilles Espinasse <g.esp.ipcop@free.fr>
  19  *
  20  * $Id: installfcdsl.c,v 1.1.2.4 2004/12/11 08:55:37 gespinasse Exp $
  21  *
  22  */
  23
  24 #include <stdio.h>
  25 #include <string.h>
  26 #include <stdlib.h>
  27 #include <unistd.h>
  28 #include <sys/types.h>
  29 #include <fcntl.h>
  30 #include <grp.h>
  31 #include "setuid.h"
  32
  33 #define FCDSL_TGZ_PATH "/var/patches/fcdsl-x.tgz"
  34
  35 char    command[STRING_SIZE],tmpdir[] = "/tmp/fcdsl_XXXXXX";
  36
  37 void exithandler(void)
  38 {
  39         if(strcmp(tmpdir,"/tmp/fcdsl_XXXXXX"))
  40         {
  41                 chdir("/tmp");
  42                 snprintf(command, STRING_SIZE - 1, "/bin/rm -rf %s", tmpdir);
  43                 if(safe_system(command))
  44                         perror("Couldn't remove temp dir");
  45         }
  46         /* remove loaded package */
  47         snprintf (command, STRING_SIZE-1, FCDSL_TGZ_PATH);
  48         unlink (command);
  49 }
  50
  51 int main(void)
  52 {
  53         if (!(initsetuid()))
  54                 exit(1);
  55
  56         atexit(exithandler);
  57
  58
  59         if (close(0)) { fprintf(stderr, "Couldn't close 0\n"); exit(1); }
  60         if (open("/dev/zero", O_RDONLY) != 0) {fprintf(stderr, "Couldn't reopen stdin from /dev/zero\n"); exit(1); }
  61         if (close(2)) { fprintf(stderr, "Couldn't close 2\n"); exit(1); }
  62         if (! dup(1)) { fprintf(stderr, "Couldnt redirect stderr to stdout\n"); exit(1); }
  63
  64         /* create temporary directory for testing untar */
  65         if (mkdtemp (tmpdir)==NULL) {
  66             exit(1);
  67         }
  68
  69         /* Test untarring files from compressed archive */
  70         snprintf (command, STRING_SIZE-1, "/bin/tar -C %s -xzf %s lib/modules/*/misc/fcdsl*.o.gz "
  71                 "usr/lib/isdn/{fds?base.bin,fd?ubase.frm} etc/fcdsl/fcdsl*.conf etc/drdsl/drdsl* "
  72                 "var/run/need-depmod-* > /dev/null 2> /dev/null", tmpdir, FCDSL_TGZ_PATH);
  73         if (safe_system (command)) {
  74             fprintf (stderr, "Invalid archive\n");
  75             exit(1);
  76         }
  77
  78         /* Start (real) untarring files from compressed archive */
  79         snprintf (command, STRING_SIZE-1, "/bin/tar -C / -xzvf %s lib/modules/*/misc/fcdsl*.o.gz "
  80                 "usr/lib/isdn/{fds?base.bin,fd?ubase.frm} etc/fcdsl/fcdsl*.conf etc/drdsl/drdsl* "
  81                 "var/run/need-depmod-* ", FCDSL_TGZ_PATH);
  82         if (safe_system (command)) {
  83             fprintf (stderr, "Error installing modules\n");
  84             exit(1);
  85         }
  86
  87         exit(0);
  88 }