75a919e334
Verifiers framework provides core file verification functionality which can be used by various security mechanisms, e.g., UEFI secure boot, TPM, PGP signature verification, etc. The patch contains PGP code changes and probably they should be extracted to separate patch for the sake of clarity. Signed-off-by: Vladimir Serbinenko <phcoder@gmail.com> Signed-off-by: Daniel Kiper <daniel.kiper@oracle.com> Reviewed-by: Ross Philipson <ross.philipson@oracle.com>
88 lines
3.2 KiB
C
88 lines
3.2 KiB
C
/* list.h - header for grub list */
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/*
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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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#ifndef GRUB_LIST_HEADER
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#define GRUB_LIST_HEADER 1
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#include <grub/symbol.h>
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#include <grub/err.h>
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#include <grub/compiler.h>
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struct grub_list
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{
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struct grub_list *next;
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struct grub_list **prev;
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};
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typedef struct grub_list *grub_list_t;
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void EXPORT_FUNC(grub_list_push) (grub_list_t *head, grub_list_t item);
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void EXPORT_FUNC(grub_list_remove) (grub_list_t item);
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#define FOR_LIST_ELEMENTS(var, list) for ((var) = (list); (var); (var) = (var)->next)
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#define FOR_LIST_ELEMENTS_NEXT(var, list) for ((var) = (var)->next; (var); (var) = (var)->next)
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#define FOR_LIST_ELEMENTS_SAFE(var, nxt, list) for ((var) = (list), (nxt) = ((var) ? (var)->next : 0); (var); (var) = (nxt), ((nxt) = (var) ? (var)->next : 0))
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static inline void *
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grub_bad_type_cast_real (int line, const char *file)
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ATTRIBUTE_ERROR ("bad type cast between incompatible grub types");
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static inline void *
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grub_bad_type_cast_real (int line, const char *file)
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{
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grub_fatal ("error:%s:%u: bad type cast between incompatible grub types",
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file, line);
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}
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#define grub_bad_type_cast() grub_bad_type_cast_real(__LINE__, GRUB_FILE)
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#define GRUB_FIELD_MATCH(ptr, type, field) \
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((char *) &(ptr)->field == (char *) &((type) (ptr))->field)
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#define GRUB_AS_LIST(ptr) \
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(GRUB_FIELD_MATCH (ptr, grub_list_t, next) && GRUB_FIELD_MATCH (ptr, grub_list_t, prev) ? \
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(grub_list_t) ptr : (grub_list_t) grub_bad_type_cast ())
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#define GRUB_AS_LIST_P(pptr) \
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(GRUB_FIELD_MATCH (*pptr, grub_list_t, next) && GRUB_FIELD_MATCH (*pptr, grub_list_t, prev) ? \
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(grub_list_t *) (void *) pptr : (grub_list_t *) grub_bad_type_cast ())
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struct grub_named_list
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{
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struct grub_named_list *next;
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struct grub_named_list **prev;
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char *name;
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};
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typedef struct grub_named_list *grub_named_list_t;
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void * EXPORT_FUNC(grub_named_list_find) (grub_named_list_t head,
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const char *name);
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#define GRUB_AS_NAMED_LIST(ptr) \
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((GRUB_FIELD_MATCH (ptr, grub_named_list_t, next) \
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&& GRUB_FIELD_MATCH (ptr, grub_named_list_t, prev) \
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&& GRUB_FIELD_MATCH (ptr, grub_named_list_t, name))? \
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(grub_named_list_t) ptr : (grub_named_list_t) grub_bad_type_cast ())
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#define GRUB_AS_NAMED_LIST_P(pptr) \
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((GRUB_FIELD_MATCH (*pptr, grub_named_list_t, next) \
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&& GRUB_FIELD_MATCH (*pptr, grub_named_list_t, prev) \
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&& GRUB_FIELD_MATCH (*pptr, grub_named_list_t, name))? \
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(grub_named_list_t *) (void *) pptr : (grub_named_list_t *) grub_bad_type_cast ())
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#endif /* ! GRUB_LIST_HEADER */
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