328 lines
6.7 KiB
C
328 lines
6.7 KiB
C
/*
|
|
* GRUB -- GRand Unified Bootloader
|
|
* Copyright (C) 1999,2000,2001,2002,2003,2004,2006,2007,2008,2009,2010,2011,2012,2013 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 <grub/disk.h>
|
|
#include <grub/partition.h>
|
|
#include <grub/msdos_partition.h>
|
|
#include <grub/types.h>
|
|
#include <grub/err.h>
|
|
#include <grub/emu/misc.h>
|
|
#include <grub/emu/hostdisk.h>
|
|
#include <grub/emu/getroot.h>
|
|
#include <grub/misc.h>
|
|
#include <grub/i18n.h>
|
|
#include <grub/list.h>
|
|
|
|
#include <stdio.h>
|
|
#include <stdlib.h>
|
|
#include <string.h>
|
|
#include <ctype.h>
|
|
#include <assert.h>
|
|
#include <unistd.h>
|
|
#include <sys/types.h>
|
|
#include <sys/stat.h>
|
|
#include <fcntl.h>
|
|
#include <errno.h>
|
|
#include <limits.h>
|
|
|
|
#include <grub/util/windows.h>
|
|
#include <grub/charset.h>
|
|
|
|
#include <windows.h>
|
|
#include <winioctl.h>
|
|
|
|
#if SIZEOF_TCHAR == 1
|
|
|
|
LPTSTR
|
|
grub_util_utf8_to_tchar (const char *in)
|
|
{
|
|
return xstrdup (in);
|
|
}
|
|
|
|
char *
|
|
grub_util_tchar_to_utf8 (LPCTSTR in)
|
|
{
|
|
return xstrdup (in);
|
|
}
|
|
|
|
#elif SIZEOF_TCHAR == 2
|
|
|
|
LPTSTR
|
|
grub_util_utf8_to_tchar (const char *in)
|
|
{
|
|
LPTSTR ret;
|
|
size_t ssz = strlen (in);
|
|
size_t tsz = 2 * (GRUB_MAX_UTF16_PER_UTF8 * ssz + 1);
|
|
ret = xmalloc (tsz);
|
|
tsz = grub_utf8_to_utf16 (ret, tsz,
|
|
(const grub_uint8_t *) in, ssz, NULL);
|
|
ret[tsz] = 0;
|
|
return ret;
|
|
}
|
|
|
|
char *
|
|
grub_util_tchar_to_utf8 (LPCTSTR in)
|
|
{
|
|
size_t ssz;
|
|
for (ssz = 0; in[ssz]; ssz++);
|
|
|
|
size_t tsz = GRUB_MAX_UTF8_PER_UTF16 * ssz + 1;
|
|
grub_uint8_t *ret = xmalloc (tsz);
|
|
*grub_utf16_to_utf8 (ret, in, ssz) = '\0';
|
|
return (char *) ret;
|
|
}
|
|
|
|
#else
|
|
#error "Unsupported TCHAR size"
|
|
#endif
|
|
|
|
#ifdef __CYGWIN__
|
|
LPTSTR
|
|
grub_util_get_windows_path (const char *path)
|
|
{
|
|
LPTSTR winpath;
|
|
winpath = xmalloc (sizeof (winpath[0]) * PATH_MAX);
|
|
if (cygwin_conv_path ((sizeof (winpath[0]) == 1 ? CCP_POSIX_TO_WIN_A
|
|
: CCP_POSIX_TO_WIN_W) | CCP_ABSOLUTE, path, winpath,
|
|
sizeof (winpath[0]) * PATH_MAX))
|
|
grub_util_error ("%s", _("cygwin_conv_path() failed"));
|
|
return winpath;
|
|
}
|
|
#else
|
|
LPTSTR
|
|
grub_util_get_windows_path (const char *path)
|
|
{
|
|
LPTSTR fpa;
|
|
LPTSTR tpath;
|
|
|
|
tpath = grub_util_utf8_to_tchar (path);
|
|
|
|
fpa = xmalloc (PATH_MAX * sizeof (fpa[0]));
|
|
if (!_wfullpath (fpa, tpath, PATH_MAX))
|
|
{
|
|
free (fpa);
|
|
return tpath;
|
|
}
|
|
|
|
free (tpath);
|
|
return fpa;
|
|
}
|
|
#endif
|
|
|
|
grub_uint64_t
|
|
grub_util_get_fd_size (grub_util_fd_t hd, const char *name_in,
|
|
unsigned *log_secsize)
|
|
{
|
|
grub_int64_t size = -1LL;
|
|
int log_sector_size = 9;
|
|
LPTSTR name = grub_util_get_windows_path (name_in);
|
|
|
|
if (log_secsize)
|
|
*log_secsize = log_sector_size;
|
|
|
|
if (((name[0] == '/') || (name[0] == '\\')) &&
|
|
((name[1] == '/') || (name[1] == '\\')) &&
|
|
((name[2] == '.') || (name[2] == '?')) &&
|
|
((name[3] == '/') || (name[3] == '\\')))
|
|
{
|
|
DWORD nr;
|
|
DISK_GEOMETRY g;
|
|
|
|
if (! DeviceIoControl (hd, IOCTL_DISK_GET_DRIVE_GEOMETRY,
|
|
0, 0, &g, sizeof (g), &nr, 0))
|
|
goto fail;
|
|
|
|
size = g.Cylinders.QuadPart;
|
|
size *= g.TracksPerCylinder * g.SectorsPerTrack * g.BytesPerSector;
|
|
|
|
for (log_sector_size = 0;
|
|
(1 << log_sector_size) < g.BytesPerSector;
|
|
log_sector_size++);
|
|
}
|
|
else
|
|
{
|
|
ULARGE_INTEGER s;
|
|
|
|
s.LowPart = GetFileSize (hd, &s.HighPart);
|
|
size = s.QuadPart;
|
|
}
|
|
|
|
fail:
|
|
|
|
if (log_secsize)
|
|
*log_secsize = log_sector_size;
|
|
|
|
free (name);
|
|
|
|
return size;
|
|
}
|
|
|
|
void
|
|
grub_hostdisk_flush_initial_buffer (const char *os_dev __attribute__ ((unused)))
|
|
{
|
|
}
|
|
|
|
int
|
|
grub_util_fd_seek (grub_util_fd_t fd, grub_uint64_t off)
|
|
{
|
|
LARGE_INTEGER offset;
|
|
offset.QuadPart = off;
|
|
|
|
if (!SetFilePointerEx (fd, offset, NULL, FILE_BEGIN))
|
|
return -1;
|
|
return 0;
|
|
}
|
|
|
|
grub_util_fd_t
|
|
grub_util_fd_open (const char *os_dev, int flags)
|
|
{
|
|
DWORD flg = 0, crt;
|
|
LPTSTR dev = grub_util_get_windows_path (os_dev);
|
|
grub_util_fd_t ret;
|
|
|
|
if (flags & GRUB_UTIL_FD_O_WRONLY)
|
|
flg |= GENERIC_WRITE;
|
|
if (flags & GRUB_UTIL_FD_O_RDONLY)
|
|
flg |= GENERIC_READ;
|
|
|
|
if (flags & GRUB_UTIL_FD_O_CREATTRUNC)
|
|
crt = CREATE_ALWAYS;
|
|
else
|
|
crt = OPEN_EXISTING;
|
|
|
|
ret = CreateFile (dev, flg, FILE_SHARE_READ | FILE_SHARE_WRITE,
|
|
0, crt, 0, 0);
|
|
free (dev);
|
|
return ret;
|
|
}
|
|
|
|
ssize_t
|
|
grub_util_fd_read (grub_util_fd_t fd, char *buf, size_t len)
|
|
{
|
|
DWORD real_read;
|
|
if (!ReadFile(fd, buf, len, &real_read, NULL))
|
|
{
|
|
grub_util_info ("read err %x", (int) GetLastError ());
|
|
return -1;
|
|
}
|
|
grub_util_info ("successful read");
|
|
return real_read;
|
|
}
|
|
|
|
ssize_t
|
|
grub_util_fd_write (grub_util_fd_t fd, const char *buf, size_t len)
|
|
{
|
|
DWORD real_read;
|
|
if (!WriteFile(fd, buf, len, &real_read, NULL))
|
|
{
|
|
grub_util_info ("write err %x", (int) GetLastError ());
|
|
return -1;
|
|
}
|
|
|
|
grub_util_info ("successful write");
|
|
return real_read;
|
|
}
|
|
|
|
void
|
|
grub_util_fd_sync (grub_util_fd_t fd)
|
|
{
|
|
FlushFileBuffers (fd);
|
|
}
|
|
|
|
void
|
|
grub_util_fd_close (grub_util_fd_t fd)
|
|
{
|
|
CloseHandle (fd);
|
|
}
|
|
|
|
const char *
|
|
grub_util_fd_strerror (void)
|
|
{
|
|
DWORD err;
|
|
static TCHAR tbuf[1024];
|
|
err = GetLastError ();
|
|
FormatMessage (FORMAT_MESSAGE_FROM_SYSTEM |
|
|
FORMAT_MESSAGE_IGNORE_INSERTS,
|
|
NULL, err,
|
|
MAKELANGID (LANG_NEUTRAL, SUBLANG_DEFAULT),
|
|
tbuf, ARRAY_SIZE (tbuf), NULL);
|
|
|
|
#if SIZEOF_TCHAR == 1
|
|
return (char *) tbuf;
|
|
#elif SIZEOF_TCHAR == 2
|
|
static grub_uint8_t buf[ARRAY_SIZE (tbuf) * GRUB_MAX_UTF8_PER_UTF16 + 1];
|
|
*grub_utf16_to_utf8 (buf, tbuf, ARRAY_SIZE (tbuf)) = '\0';
|
|
return (char *) buf;
|
|
#else
|
|
#error "Unsupported TCHAR size"
|
|
#endif
|
|
}
|
|
|
|
char *
|
|
canonicalize_file_name (const char *path)
|
|
{
|
|
char *ret;
|
|
ret = xmalloc (PATH_MAX);
|
|
|
|
#ifndef __CYGWIN__
|
|
if (!_fullpath (ret, path, PATH_MAX))
|
|
return NULL;
|
|
#else
|
|
if (!realpath (path, ret))
|
|
return NULL;
|
|
#endif
|
|
return ret;
|
|
}
|
|
|
|
|
|
#ifdef __MINGW32__
|
|
|
|
FILE *
|
|
grub_util_fopen (const char *path, const char *mode)
|
|
{
|
|
LPTSTR tpath;
|
|
FILE *ret;
|
|
tpath = grub_util_get_windows_path (path);
|
|
#if SIZEOF_TCHAR == 1
|
|
ret = fopen (tpath, tmode);
|
|
#else
|
|
LPTSTR tmode;
|
|
tmode = grub_util_utf8_to_tchar (mode);
|
|
ret = _wfopen (tpath, tmode);
|
|
free (tmode);
|
|
#endif
|
|
free (tpath);
|
|
return ret;
|
|
}
|
|
|
|
int fsync (int fno __attribute__ ((unused)))
|
|
{
|
|
return 0;
|
|
}
|
|
|
|
#else
|
|
|
|
FILE *
|
|
grub_util_fopen (const char *path, const char *mode)
|
|
{
|
|
return fopen (path, mode);
|
|
}
|
|
|
|
#endif
|