+++ /dev/null
-// $Id: vrsetup.c 2403 2006-11-24 23:06:08Z dhozac $ --*- c -*--
-
-// Copyright (C) 2004 Enrico Scholz <enrico.scholz@informatik.tu-chemnitz.de>
-//
-// This program 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; version 2 of the License.
-//
-// This program 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 this program; if not, write to the Free Software
-// Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
-
-
-#ifdef HAVE_CONFIG_H
-# include <config.h>
-#endif
-
-#include "util.h"
-
-#include <getopt.h>
-#include <stdlib.h>
-#include <fcntl.h>
-#include <sys/ioctl.h>
-
-#define ENSC_WRAPPERS_FCNTL 1
-#define ENSC_WRAPPERS_IOCTL 1
-#define ENSC_WRAPPERS_UNISTD 1
-#include <wrappers.h>
-
-int wrapper_exit_code = 1;
-
-
-#define VROOT_SET_DEV 0x5600
-#define VROOT_CLR_DEV 0x5601
-#define VROOT_INC_USE 0x56FE
-#define VROOT_DEC_USE 0x56FF
-
-struct option const
-CMDLINE_OPTIONS[] = {
- { "help", no_argument, 0, 'h' },
- { "version", no_argument, 0, 'v' },
- { 0,0,0,0 }
-};
-
-static void
-showHelp(int fd, char const *cmd, int res)
-{
- WRITE_MSG(fd, "Usage: ");
- WRITE_STR(fd, cmd);
- WRITE_MSG(fd,
- " [-dID] <rootdev>\n"
- " or ");
- WRITE_STR(fd, cmd);
- WRITE_MSG(fd,
- " <rootdev> <real-rootdev>\n\n"
- "Please report bugs to " PACKAGE_BUGREPORT "\n");
- exit(res);
-}
-
-static void
-showVersion()
-{
- WRITE_MSG(1,
- "vrsetup " VERSION " -- set up and control vroot devices\n"
- "This program is part of " PACKAGE_STRING "\n\n"
- "Copyright (C) 2004 Enrico Scholz\n"
- VERSION_COPYRIGHT_DISCLAIMER);
- exit(0);
-}
-
-
-int main(int argc, char *argv[])
-{
- bool do_delete = false;
- bool do_decrement = false;
- bool do_increment = false;
- bool do_setup = false;
- char const * root_device = 0;
- char const * real_root_device = 0;
- int fd;
-
- while (1) {
- int c = getopt_long(argc, argv, "dID", CMDLINE_OPTIONS, 0);
- if (c==-1) break;
-
- switch (c) {
- case 'h' : showHelp(1, argv[0], 0);
- case 'v' : showVersion();
- case 'd' : do_delete = true; break;
- case 'D' : do_decrement = true; break;
- case 'I' : do_increment = true; break;
- default :
- WRITE_MSG(2, "Try '");
- WRITE_STR(2, argv[0]);
- WRITE_MSG(2, " --help' for more information.\n");
- return EXIT_FAILURE;
- break;
- }
- }
-
- do_setup = !(do_delete || do_decrement || do_increment);
-
- if (optind+1>argc) {
- WRITE_MSG(2, "No vroot-device given\n");
- return EXIT_FAILURE;
- }
-
- if (do_setup && optind+2>argc) {
- WRITE_MSG(2, "No real root-device given\n");
- return EXIT_FAILURE;
- }
-
- root_device = argv[optind];
- if (do_setup) real_root_device = argv[optind+1];
-
- fd = EopenD(root_device, O_RDONLY, 0);
- if (do_increment) Eioctl(fd, VROOT_INC_USE, 0);
- else if (do_decrement) Eioctl(fd, VROOT_DEC_USE, 0);
- else if (do_delete) Eioctl(fd, VROOT_CLR_DEV, 0);
- else {
- int dfd = EopenD(real_root_device, O_RDONLY, 0);
- Eioctl(fd, VROOT_SET_DEV, (void*)dfd);
- Eclose(dfd);
- }
-
- Eclose(fd);
- return EXIT_SUCCESS;
-}