shim.h

#ifndef SHIM_H_
#define SHIM_H_

#if defined __GNUC__ && defined __GNUC_MINOR__
# define GNUC_PREREQ(maj, min) \
        ((__GNUC__ << 16) + __GNUC_MINOR__ >= ((maj) << 16) + (min))
#else
# define GNUC_PREREQ(maj, min) 0
#endif
#if defined __clang_major__ && defined __clang_minor__
# define CLANG_PREREQ(maj, min) \
  ((__clang_major__ << 16) + __clang_minor__ >= ((maj) << 16) + (min))
#else
# define CLANG_PREREQ(maj, min) 0
#endif

#if defined(__x86_64__)
#if !defined(GNU_EFI_USE_MS_ABI)
#error On x86_64 you must use ms_abi (GNU_EFI_USE_MS_ABI) in gnu-efi and shim.
#endif
/* gcc 4.5.4 is the first documented release with -mabi=ms */
#if !GNUC_PREREQ(4, 7) && !CLANG_PREREQ(3, 4)
#error On x86_64 you must have a compiler new enough to support __attribute__((__ms_abi__))
#endif
#endif

#include <efi.h>
#include <efilib.h>
#undef uefi_call_wrapper

#include <stddef.h>

#define nonnull(...) __attribute__((__nonnull__(__VA_ARGS__)))

#define min(a, b) ({(a) < (b) ? (a) : (b);})

#ifdef __x86_64__
#ifndef DEFAULT_LOADER
#define DEFAULT_LOADER L"\\grubx64.efi"
#endif
#ifndef DEFAULT_LOADER_CHAR
#define DEFAULT_LOADER_CHAR "\\grubx64.efi"
#endif
#ifndef EFI_ARCH
#define EFI_ARCH L"x64"
#endif
#ifndef DEBUGDIR
#define DEBUGDIR L"/usr/lib/debug/usr/share/shim/x64/"
#endif
#endif

#if defined(__i686__) || defined(__i386__)
#ifndef DEFAULT_LOADER
#define DEFAULT_LOADER L"\\grubia32.efi"
#endif
#ifndef DEFAULT_LOADER_CHAR
#define DEFAULT_LOADER_CHAR "\\grubia32.efi"
#endif
#ifndef EFI_ARCH
#define EFI_ARCH L"ia32"
#endif
#ifndef DEBUGDIR
#define DEBUGDIR L"/usr/lib/debug/usr/share/shim/ia32/"
#endif
#endif

#if defined(__aarch64__)
#ifndef DEFAULT_LOADER
#define DEFAULT_LOADER L"\\grubaa64.efi"
#endif
#ifndef DEFAULT_LOADER_CHAR
#define DEFAULT_LOADER_CHAR "\\grubaa64.efi"
#endif
#ifndef EFI_ARCH
#define EFI_ARCH L"aa64"
#endif
#ifndef DEBUGDIR
#define DEBUGDIR L"/usr/lib/debug/usr/share/shim/aa64/"
#endif
#endif

#if defined(__arm__)
#ifndef DEFAULT_LOADER
#define DEFAULT_LOADER L"\\grubarm.efi"
#endif
#ifndef DEFAULT_LOADER_CHAR
#define DEFAULT_LOADER_CHAR "\\grubarm.efi"
#endif
#ifndef EFI_ARCH
#define EFI_ARCH L"arm"
#endif
#ifndef DEBUGDIR
#define DEBUGDIR L"/usr/lib/debug/usr/share/shim/arm/"
#endif
#endif

#define FALLBACK L"\\fb" EFI_ARCH L".efi"
#define MOK_MANAGER L"\\mm" EFI_ARCH L".efi"

#include "include/configtable.h"
#include "include/console.h"
#include "include/crypt_blowfish.h"
#include "include/efiauthenticated.h"
#include "include/errors.h"
#include "include/execute.h"
#include "include/guid.h"
#include "include/Http.h"
#include "include/httpboot.h"
#include "include/Ip4Config2.h"
#include "include/Ip6Config.h"
#include "include/netboot.h"
#include "include/PasswordCrypt.h"
#include "include/PeImage.h"
#include "include/replacements.h"
#if defined(OVERRIDE_SECURITY_POLICY)
#include "include/security_policy.h"
#endif
#include "include/simple_file.h"
#include "include/str.h"
#include "include/tpm.h"
#include "include/ucs2.h"
#include "include/variables.h"

#include "version.h"

INTERFACE_DECL(_SHIM_LOCK);

typedef
EFI_STATUS
(*EFI_SHIM_LOCK_VERIFY) (
	IN VOID *buffer,
	IN UINT32 size
	);

typedef
EFI_STATUS
(*EFI_SHIM_LOCK_HASH) (
	IN char *data,
	IN int datasize,
	PE_COFF_LOADER_IMAGE_CONTEXT *context,
	UINT8 *sha256hash,
	UINT8 *sha1hash
	);

typedef
EFI_STATUS
(*EFI_SHIM_LOCK_CONTEXT) (
	IN VOID *data,
	IN unsigned int datasize,
	PE_COFF_LOADER_IMAGE_CONTEXT *context
	);

typedef struct _SHIM_LOCK {
	EFI_SHIM_LOCK_VERIFY Verify;
	EFI_SHIM_LOCK_HASH Hash;
	EFI_SHIM_LOCK_CONTEXT Context;
} SHIM_LOCK;

extern EFI_STATUS shim_init(void);
extern void shim_fini(void);
extern EFI_STATUS LogError_(const char *file, int line, const char *func, CHAR16 *fmt, ...);
extern EFI_STATUS VLogError(const char *file, int line, const char *func, CHAR16 *fmt, va_list args);
extern VOID PrintErrors(VOID);
extern VOID ClearErrors(VOID);
extern EFI_STATUS start_image(EFI_HANDLE image_handle, CHAR16 *ImagePath);
extern EFI_STATUS import_mok_state(EFI_HANDLE image_handle);

extern UINT32 vendor_cert_size;
extern UINT32 vendor_dbx_size;
extern UINT8 *vendor_cert;
extern UINT8 *vendor_dbx;
#if defined(ENABLE_SHIM_CERT)
extern UINT32 build_cert_size;
extern UINT8 *build_cert;
#endif /* defined(ENABLE_SHIM_CERT) */

extern UINT8 user_insecure_mode;
extern UINT8 ignore_db;
extern UINT8 in_protocol;

#define perror_(file, line, func, fmt, ...) ({					\
		UINTN __perror_ret = 0;						\
		if (!in_protocol)						\
			__perror_ret = console_print((fmt), ##__VA_ARGS__);	\
		LogError_(file, line, func, fmt, ##__VA_ARGS__);		\
		__perror_ret;							\
	})
#define perror(fmt, ...) perror_(__FILE__, __LINE__, __func__, fmt, ## __VA_ARGS__)
#define LogError(fmt, ...) LogError_(__FILE__, __LINE__, __func__, fmt, ## __VA_ARGS__)

#endif /* SHIM_H_ */