e7e1f93ff6
Authentication support. * commands/password.c: New file. * conf/common.rmk (pkglib_MODULES): Add password.mod. (password_mod_SOURCES): New variable. (password_mod_CFLAGS): Likewise. (password_mod_LDFLAGS): Likewise. (normal_mod_SOURCES): Add normal/auth.c. * conf/i386-coreboot.rmk (grub_emu_SOURCES): Add commands/password.c and normal/auth.c. * conf/i386-efi.rmk (grub_emu_SOURCES): Likewise. * conf/i386-ieee1275.rmk (grub_emu_SOURCES): Likewise. * conf/i386-pc.rmk (grub_emu_SOURCES): Likewise. * conf/powerpc-ieee1275.rmk (grub_emu_SOURCES): Likewise. * conf/sparc64-ieee1275.rmk (grub_emu_SOURCES): Likewise. * conf/x86_64-efi.rmk (grub_emu_SOURCES): Likewise. * include/grub/auth.h: New file. * include/grub/err.h (grub_err_t): New enum value GRUB_ERR_ACCESS_DENIED. * include/grub/menu.h (grub_menu_entry): New fields 'restricted' and 'users'. * include/grub/normal.h (grub_cmdline_get): New argument 'history'. * normal/cmdline.c (grub_cmdline_get): New argument 'history'. All users updated. * normal/auth.c: New file. * normal/main.c (grub_normal_add_menu_entry): Handle --users option. (grub_cmdline_run): Don't allow to go to command line without authentication. * normal/menu.c (grub_menu_execute_entry): Handle restricted entries. * normal/menu_entry.c (grub_menu_entry_run): Don't allow editing menuentry without superuser rights. * normal/menu_viewer.c (grub_menu_viewer_show_menu): Don't exit if user isn't a superuser.
81 lines
2 KiB
C
81 lines
2 KiB
C
/*
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* GRUB -- GRand Unified Bootloader
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* Copyright (C) 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/mm.h>
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#include <grub/misc.h>
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#include <grub/env.h>
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#include <grub/menu_viewer.h>
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#include <grub/menu.h>
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#include <grub/auth.h>
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/* The list of menu viewers. */
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static grub_menu_viewer_t menu_viewer_list;
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void
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grub_menu_viewer_register (grub_menu_viewer_t viewer)
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{
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viewer->next = menu_viewer_list;
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menu_viewer_list = viewer;
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}
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static grub_menu_viewer_t get_current_menu_viewer (void)
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{
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const char *selected_name = grub_env_get ("menuviewer");
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/* If none selected, pick the last registered one. */
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if (selected_name == 0)
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return menu_viewer_list;
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grub_menu_viewer_t cur;
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for (cur = menu_viewer_list; cur; cur = cur->next)
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{
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if (grub_strcmp (cur->name, selected_name) == 0)
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return cur;
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}
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/* Fall back to the first entry (or null). */
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return menu_viewer_list;
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}
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grub_err_t
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grub_menu_viewer_show_menu (grub_menu_t menu, int nested)
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{
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grub_menu_viewer_t cur = get_current_menu_viewer ();
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grub_err_t err1, err2;
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if (!cur)
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return grub_error (GRUB_ERR_BAD_ARGUMENT, "No menu viewer available.");
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while (1)
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{
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err1 = cur->show_menu (menu, nested);
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grub_print_error ();
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err2 = grub_auth_check_authentication (NULL);
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if (err2)
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{
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grub_print_error ();
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grub_errno = GRUB_ERR_NONE;
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continue;
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}
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break;
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}
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return err1;
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}
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