apps/rc/boot.c

   1 /*
   2     meinOS - A unix-like x86 microkernel operating system
   3     Copyright (C) 2008  Janosch Gräf <janosch.graef@gmx.net>
   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, either version 3 of the License, or
   8     (at your option) any later version.
   9
  10     This program is distributed in the hope that it will be useful,
  11     but WITHOUT ANY WARRANTY; without even the implied warranty of
  12     MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  13     GNU General Public License for more details.
  14
  15     You should have received a copy of the GNU General Public License
  16     along with this program.  If not, see <http://www.gnu.org/licenses/>.
  17 */
  18
  19 #include <stdio.h>
  20 #include <dirent.h>
  21
  22 #include "helper.h"
  23
  24 static const char *grub_module_template =
  25 "#!/bin/sh"
  26 "# Copyright (c) 2009 Janosch Graef"
  27 "#"
  28 "### BEGIN INIT INFO"
  29 "# Provides:       %s"
  30 "# Required-Start:"
  31 "# Required-Stop:"
  32 "# Should-Start:"
  33 "# Should-Stop:"
  34 "# Default-Start:  1 2 3 5"
  35 "# Default-Stop:"
  36 "# Short-Description: Pseudo RC script for grub module '%s'"
  37 "# Description:       Pseudo RC script for grub module '%s'"
  38 "### END INIT INFO"
  39 ""
  40 "case \"$1\" in"
  41 "  start)"
  42 "    echo \"This is a GRUB module. It should already run.\""
  43 "    ;;"
  44 "  stop)"
  45 "    echo \"Cannot stop GRUB modules.\" > 2"
  46 "    ;;"
  47 "  status)"
  48 "    echo \"running\""
  49 "    ;;"
  50 "  *)"
  51 "    echo \"Usage: $0 {start|stop|status}\" > 2"
  52 "    ;;"
  53 "esac";
  54
  55 static int make_grub_module_script(const char *name) {
  56   char *script;
  57   char *path;
  58   int ret = -1;
  59
  60   asprintf(&path,"/etc/init.d/%s",name);
  61   asprintf(&script,grub_module_template,name,name,name);
  62
  63   FILE *fd = fopen(path,"w");
  64   if (fd!=NULL) {
  65     fputs(script,fd);
  66     fclose(fd);
  67     ret = 0;
  68   }
  69
  70   free(path);
  71   free(script);
  72
  73   make_rc_symlink(name,1,1,'S');
  74   make_rc_symlink(name,2,1,'S');
  75   make_rc_symlink(name,3,1,'S');
  76   make_rc_symlink(name,5,1,'S');
  77   make_rc_symlink(name,1,1,'K');
  78   make_rc_symlink(name,2,1,'K');
  79   make_rc_symlink(name,3,1,'K');
  80   make_rc_symlink(name,5,1,'K');
  81
  82   return ret;
  83 }
  84
  85 int main(int argc,char *argv[]) {
  86   /// @todo get GRUB modules and create module scripts
  87   make_grub_module_script("vfs");
  88   return 0;
  89 }