85 lines
2.4 KiB
C
85 lines
2.4 KiB
C
/*
|
|
* GRUB -- GRand Unified Bootloader
|
|
* Copyright (C) 2017 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_VERIFY_HEADER
|
|
#define GRUB_VERIFY_HEADER 1
|
|
|
|
#include <grub/file.h>
|
|
#include <grub/list.h>
|
|
|
|
enum grub_verify_flags
|
|
{
|
|
GRUB_VERIFY_FLAGS_SKIP_VERIFICATION = 1,
|
|
GRUB_VERIFY_FLAGS_SINGLE_CHUNK = 2,
|
|
/* Defer verification to another authority. */
|
|
GRUB_VERIFY_FLAGS_DEFER_AUTH = 4
|
|
};
|
|
|
|
enum grub_verify_string_type
|
|
{
|
|
GRUB_VERIFY_KERNEL_CMDLINE,
|
|
GRUB_VERIFY_MODULE_CMDLINE,
|
|
GRUB_VERIFY_COMMAND,
|
|
};
|
|
|
|
struct grub_file_verifier
|
|
{
|
|
struct grub_file_verifier *next;
|
|
struct grub_file_verifier **prev;
|
|
|
|
const char *name;
|
|
|
|
/*
|
|
* Check if file needs to be verified and set up context.
|
|
* init/read/fini is structured in the same way as hash interface.
|
|
*/
|
|
grub_err_t (*init) (grub_file_t io, enum grub_file_type type,
|
|
void **context, enum grub_verify_flags *flags);
|
|
|
|
/*
|
|
* Right now we pass the whole file in one call but it may
|
|
* change in the future. If you insist on single buffer you
|
|
* need to set GRUB_VERIFY_FLAGS_SINGLE_CHUNK in verify_flags.
|
|
*/
|
|
grub_err_t (*write) (void *context, void *buf, grub_size_t size);
|
|
|
|
grub_err_t (*fini) (void *context);
|
|
void (*close) (void *context);
|
|
|
|
grub_err_t (*verify_string) (char *str, enum grub_verify_string_type type);
|
|
};
|
|
|
|
extern struct grub_file_verifier *grub_file_verifiers;
|
|
|
|
static inline void
|
|
grub_verifier_register (struct grub_file_verifier *ver)
|
|
{
|
|
grub_list_push (GRUB_AS_LIST_P (&grub_file_verifiers), GRUB_AS_LIST (ver));
|
|
}
|
|
|
|
static inline void
|
|
grub_verifier_unregister (struct grub_file_verifier *ver)
|
|
{
|
|
grub_list_remove (GRUB_AS_LIST (ver));
|
|
}
|
|
|
|
grub_err_t
|
|
grub_verify_string (char *str, enum grub_verify_string_type type);
|
|
|
|
#endif /* ! GRUB_VERIFY_HEADER */
|