[grub2.git] / include / grub / auth.h

/*
 *  GRUB  --  GRand Unified Bootloader
 *  Copyright (C) 2009  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/>.
 */
#ifndef GRUB_AURH_HEADER
#define GRUB_AUTH_HEADER	1

#include <grub/err.h>
#include <grub/i18n.h>

/* Macros for indistinguishibility.  */
#define GRUB_ACCESS_DENIED grub_error (GRUB_ERR_ACCESS_DENIED, "Access denied.")
#define GRUB_GET_PASSWORD(string, len) grub_cmdline_get (N_("Enter password:"), \
							 string, len,	\
							 '*', 0, 0)

/* Like strcmp but untimeable. Accepts NULL as second argument.  */
int grub_auth_strcmp (const char *user_input, const char *template);
/* Like strcmp but untimeable and ignores commas in needle.  */
int grub_auth_strword (const char *haystack, const char *needle);

typedef grub_err_t (*grub_auth_callback_t) (const char*, void *);

grub_err_t grub_auth_register_authentication (const char *user,
					      grub_auth_callback_t callback,
					      void *arg);
grub_err_t grub_auth_unregister_authentication (const char *user);

grub_err_t grub_auth_authenticate (const char *user);
grub_err_t grub_auth_deauthenticate (const char *user);
grub_err_t grub_auth_check_authentication (const char *userlist);

#endif /* ! GRUB_AUTH_HEADER */
Commit	Line	Data
e7e1f93f	1	/*
	2	* GRUB -- GRand Unified Bootloader
	3	* Copyright (C) 2009 Free Software Foundation, Inc.
	4	*
	5	* GRUB is free software: you can redistribute it and/or modify
	6	* it under the terms of the GNU General Public License as published by
	7	* the Free Software Foundation, either version 3 of the License, or
	8	* (at your option) any later version.
	9	*
	10	* GRUB is distributed in the hope that it will be useful,
	11	* but WITHOUT ANY WARRANTY; without even the implied warranty of
	12	* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
	13	* GNU General Public License for more details.
	14	*
	15	* You should have received a copy of the GNU General Public License
	16	* along with GRUB. If not, see <http://www.gnu.org/licenses/>.
	17	*/
	18	#ifndef GRUB_AURH_HEADER
	19	#define GRUB_AUTH_HEADER 1
	20
	21	#include <grub/err.h>
7f39d92f	22	#include <grub/i18n.h>
e7e1f93f	23
	24	/* Macros for indistinguishibility. */
	25	#define GRUB_ACCESS_DENIED grub_error (GRUB_ERR_ACCESS_DENIED, "Access denied.")
7f39d92f	26	#define GRUB_GET_PASSWORD(string, len) grub_cmdline_get (N_("Enter password:"), \
e7e1f93f	27	string, len, \
	28	'*', 0, 0)
	29
	30	/* Like strcmp but untimeable. Accepts NULL as second argument. */
	31	int grub_auth_strcmp (const char user_input, const char template);
	32	/* Like strcmp but untimeable and ignores commas in needle. */
	33	int grub_auth_strword (const char haystack, const char needle);
	34
	35	typedef grub_err_t (grub_auth_callback_t) (const char, void *);
	36
	37	grub_err_t grub_auth_register_authentication (const char *user,
	38	grub_auth_callback_t callback,
	39	void *arg);
	40	grub_err_t grub_auth_unregister_authentication (const char *user);
	41
	42	grub_err_t grub_auth_authenticate (const char *user);
	43	grub_err_t grub_auth_deauthenticate (const char *user);
	44	grub_err_t grub_auth_check_authentication (const char *userlist);
	45
	46	#endif /* ! GRUB_AUTH_HEADER */