90 lines
2.2 KiB
C
90 lines
2.2 KiB
C
/*
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* GRUB -- GRand Unified Bootloader
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* Copyright (C) 2011 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/dl.h>
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#include <grub/misc.h>
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#include <grub/command.h>
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#include <grub/i18n.h>
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#include <grub/xen.h>
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#include <grub/term.h>
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GRUB_MOD_LICENSE ("GPLv3+");
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static int
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hook (const char *dir, void *hook_data __attribute__ ((unused)))
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{
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grub_printf ("%s\n", dir);
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return 0;
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}
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static grub_err_t
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grub_cmd_lsxen (grub_command_t cmd __attribute__ ((unused)),
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int argc, char **args)
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{
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char *dir;
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grub_err_t err;
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char *buf;
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if (argc >= 1)
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return grub_xenstore_dir (args[0], hook, NULL);
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buf = grub_xenstore_get_file ("domid", NULL);
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if (!buf)
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return grub_errno;
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dir = grub_xasprintf ("/local/domain/%s", buf);
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grub_free (buf);
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err = grub_xenstore_dir (dir, hook, NULL);
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grub_free (dir);
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return err;
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}
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static grub_err_t
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grub_cmd_catxen (grub_command_t cmd __attribute__ ((unused)),
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int argc, char **args)
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{
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const char *dir = "domid";
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char *buf;
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if (argc >= 1)
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dir = args[0];
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buf = grub_xenstore_get_file (dir, NULL);
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if (!buf)
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return grub_errno;
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grub_xputs (buf);
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grub_xputs ("\n");
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grub_free (buf);
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return GRUB_ERR_NONE;
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}
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static grub_command_t cmd_ls, cmd_cat;
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GRUB_MOD_INIT (lsxen)
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{
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cmd_ls = grub_register_command ("xen_ls", grub_cmd_lsxen, N_("[DIR]"),
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N_("List Xen storage."));
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cmd_cat = grub_register_command ("xen_cat", grub_cmd_catxen, N_("[DIR]"),
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N_("List Xen storage."));
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}
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GRUB_MOD_FINI (lsxen)
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{
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grub_unregister_command (cmd_ls);
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grub_unregister_command (cmd_cat);
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}
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