136 lines
3.8 KiB
C
136 lines
3.8 KiB
C
/*
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* GRUB -- GRand Unified Bootloader
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* Copyright (C) 2002,2003,2005,2007,2008,2009 Free Software Foundation, Inc.
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*
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* GRUB is free software: you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation, either version 3 of the License, or
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* (at your option) any later version.
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*
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* GRUB is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with GRUB. If not, see <http://www.gnu.org/licenses/>.
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*/
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#include <grub/term.h>
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#include <grub/err.h>
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#include <grub/mm.h>
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#include <grub/misc.h>
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#include <grub/env.h>
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#include <grub/time.h>
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#include <grub/dl.h>
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#include <grub/keyboard_layouts.h>
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#include <grub/command.h>
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#include <grub/gzio.h>
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#include <grub/i18n.h>
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static grub_err_t
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grub_cmd_keymap (struct grub_command *cmd __attribute__ ((unused)),
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int argc, char *argv[])
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{
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char *filename;
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grub_file_t file;
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grub_uint32_t version;
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grub_uint8_t magic[GRUB_KEYBOARD_LAYOUTS_FILEMAGIC_SIZE];
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struct grub_keyboard_layout *newmap = NULL;
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unsigned i;
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if (argc < 1)
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return grub_error (GRUB_ERR_BAD_ARGUMENT, "file or layout name required");
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if (argv[0][0] != '(' && argv[0][0] != '/' && argv[0][0] != '+')
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{
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const char *prefix = grub_env_get ("prefix");
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if (!prefix)
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return grub_error (GRUB_ERR_BAD_ARGUMENT, "No prefix set");
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filename = grub_xasprintf ("%s/layouts/%s.gkb", prefix, argv[0]);
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if (!filename)
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return grub_errno;
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}
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else
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filename = argv[0];
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file = grub_gzfile_open (filename, 1);
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if (! file)
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goto fail;
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if (grub_file_read (file, magic, sizeof (magic)) != sizeof (magic))
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{
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if (!grub_errno)
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grub_error (GRUB_ERR_BAD_ARGUMENT, "file is too short");
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goto fail;
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}
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if (grub_memcmp (magic, GRUB_KEYBOARD_LAYOUTS_FILEMAGIC,
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GRUB_KEYBOARD_LAYOUTS_FILEMAGIC_SIZE) != 0)
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{
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grub_error (GRUB_ERR_BAD_ARGUMENT, "invalid magic");
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goto fail;
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}
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if (grub_file_read (file, &version, sizeof (version)) != sizeof (version))
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{
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if (!grub_errno)
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grub_error (GRUB_ERR_BAD_ARGUMENT, "file is too short");
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goto fail;
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}
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if (grub_le_to_cpu32 (version) != GRUB_KEYBOARD_LAYOUTS_VERSION)
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{
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grub_error (GRUB_ERR_BAD_ARGUMENT, "invalid version");
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goto fail;
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}
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newmap = grub_malloc (sizeof (*newmap));
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if (!newmap)
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goto fail;
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if (grub_file_read (file, newmap, sizeof (*newmap)) != sizeof (*newmap))
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{
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if (!grub_errno)
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grub_error (GRUB_ERR_BAD_ARGUMENT, "file is too short");
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goto fail;
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}
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for (i = 0; i < ARRAY_SIZE (newmap->at.keyboard_map); i++)
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newmap->at.keyboard_map[i] = grub_le_to_cpu32(newmap->at.keyboard_map[i]);
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for (i = 0; i < ARRAY_SIZE (newmap->at.keyboard_map_shift); i++)
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newmap->at.keyboard_map_shift[i]
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= grub_le_to_cpu32(newmap->at.keyboard_map_shift[i]);
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for (i = 0; i < ARRAY_SIZE (newmap->at.keyboard_map_l3); i++)
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newmap->at.keyboard_map_l3[i]
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= grub_le_to_cpu32(newmap->at.keyboard_map_l3[i]);
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for (i = 0; i < ARRAY_SIZE (newmap->at.keyboard_map_shift_l3); i++)
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newmap->at.keyboard_map_shift_l3[i]
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= grub_le_to_cpu32(newmap->at.keyboard_map_shift_l3[i]);
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return GRUB_ERR_NONE;
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fail:
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if (filename != argv[0])
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grub_free (filename);
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grub_free (newmap);
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if (file)
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grub_file_close (file);
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return grub_errno;
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}
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static grub_command_t cmd;
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GRUB_MOD_INIT(keylayouts)
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{
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cmd = grub_register_command ("keymap", grub_cmd_keymap,
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0, N_("Load a keyboard layout."));
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}
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GRUB_MOD_FINI(keylayouts)
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{
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grub_current_layout = NULL;
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grub_unregister_command (cmd);
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}
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