| /* |
| * GRUB -- GRand Unified Bootloader |
| * Copyright (C) 1999,2000,2001,2002,2003,2006,2007,2008,2009,2010,2011,2012,2013 Free Software Foundation, Inc. |
| * |
| * GRUB 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 3 of the License, or |
| * (at your option) any later version. |
| * |
| * GRUB 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 GRUB. If not, see <http://www.gnu.org/licenses/>. |
| */ |
| |
| #include <config-util.h> |
| #include <config.h> |
| |
| #include <sys/stat.h> |
| #include <sys/types.h> |
| #include <assert.h> |
| #include <fcntl.h> |
| #include <unistd.h> |
| #include <string.h> |
| #include <dirent.h> |
| #include <errno.h> |
| #include <error.h> |
| #include <stdio.h> |
| #include <stdlib.h> |
| #include <stdint.h> |
| #ifdef HAVE_LIMITS_H |
| #include <limits.h> |
| #endif |
| |
| #include <grub/types.h> |
| |
| #include <grub/util/misc.h> |
| |
| #include <grub/mm.h> |
| #include <grub/misc.h> |
| #include <grub/emu/misc.h> |
| #include <grub/emu/hostdisk.h> |
| #include <grub/emu/getroot.h> |
| |
| #include <sys/wait.h> |
| |
| # include <sys/types.h> |
| # include <sys/mkdev.h> |
| # include <sys/dkio.h> |
| |
| |
| char * |
| grub_util_part_to_disk (const char *os_dev, |
| struct stat *st, |
| int *is_part) |
| { |
| char *colon = grub_strrchr (os_dev, ':'); |
| |
| if (! S_ISCHR (st->st_mode)) |
| { |
| *is_part = 0; |
| return xstrdup (os_dev); |
| } |
| |
| if (grub_memcmp (os_dev, "/devices", sizeof ("/devices") - 1) == 0 |
| && colon) |
| { |
| char *ret = xmalloc (colon - os_dev + sizeof (":q,raw")); |
| if (grub_strcmp (colon, ":q,raw") != 0) |
| *is_part = 1; |
| grub_memcpy (ret, os_dev, colon - os_dev); |
| grub_memcpy (ret + (colon - os_dev), ":q,raw", sizeof (":q,raw")); |
| return ret; |
| } |
| else |
| return xstrdup (os_dev); |
| } |
| |
| enum grub_dev_abstraction_types |
| grub_util_get_dev_abstraction_os (const char *os_dev __attribute__((unused))) |
| { |
| return GRUB_DEV_ABSTRACTION_NONE; |
| } |
| |
| int |
| grub_util_pull_device_os (const char *os_dev __attribute__ ((unused)), |
| enum grub_dev_abstraction_types ab __attribute__ ((unused))) |
| { |
| return 0; |
| } |
| |
| char * |
| grub_util_get_grub_dev_os (const char *os_dev __attribute__ ((unused))) |
| { |
| return NULL; |
| } |
| |
| grub_disk_addr_t |
| grub_util_find_partition_start_os (const char *dev) |
| { |
| int fd; |
| struct extpart_info pinfo; |
| |
| fd = open (dev, O_RDONLY); |
| if (fd == -1) |
| { |
| grub_error (GRUB_ERR_BAD_DEVICE, N_("cannot open `%s': %s"), |
| dev, strerror (errno)); |
| return 0; |
| } |
| |
| if (ioctl (fd, DKIOCEXTPARTINFO, &pinfo)) |
| { |
| grub_error (GRUB_ERR_BAD_DEVICE, |
| "cannot get disk geometry of `%s'", dev); |
| close (fd); |
| return 0; |
| } |
| |
| close (fd); |
| |
| return pinfo.p_start; |
| } |