code.delx.au - refind/blob - refind/apple.h

   1 /*
   2  * refind/apple.h
   3  *
   4  * Copyright (c) 2015 Roderick W. Smith
   5  *
   6  * This program is free software: you can redistribute it and/or modify
   7  * it under the terms of the GNU General Public License as published by
   8  * the Free Software Foundation, either version 3 of the License, or
   9  * (at your option) any later version.
  10  *
  11  * This program is distributed in the hope that it will be useful,
  12  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  13  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  14  * GNU General Public License for more details.
  15  *
  16  * You should have received a copy of the GNU General Public License
  17  * along with this program.  If not, see <http://www.gnu.org/licenses/>.
  18  *
  19  */
  20
  21 #ifndef __APPLE_H_
  22 #define __APPLE_H_
  23
  24 // The constants related to Apple's System Integrity Protection (SIP)....
  25 #define CSR_GUID { 0x7c436110, 0xab2a, 0x4bbb, { 0xa8, 0x80, 0xfe, 0x41, 0x99, 0x5c, 0x9f, 0x82 } };
  26 // These codes are returned in the first byte of the csr-active-config variable
  27 #define CSR_ALLOW_UNTRUSTED_KEXTS       0x01
  28 #define CSR_ALLOW_UNRESTRICTED_FS       0x02
  29 #define CSR_ALLOW_TASK_FOR_PID          0x04
  30 #define CSR_ALLOW_KERNEL_DEBUGGER       0x08
  31 #define CSR_ALLOW_APPLE_INTERNAL        0x10
  32 #define CSR_ALLOW_UNRESTRICTED_DTRACE   0x20
  33 #define CSR_ALLOW_UNRESTRICTED_NVRAM    0x40
  34 #define CSR_END_OF_LIST                 0xFFFFFFFF
  35 // Some summaries....
  36 #define SIP_ENABLED  CSR_ALLOW_APPLE_INTERNAL
  37 #define SIP_DISABLED (CSR_ALLOW_UNRESTRICTED_NVRAM | \
  38                       CSR_ALLOW_UNRESTRICTED_DTRACE | \
  39                       CSR_ALLOW_APPLE_INTERNAL | \
  40                       CSR_ALLOW_TASK_FOR_PID | \
  41                       CSR_ALLOW_UNRESTRICTED_FS | \
  42                       CSR_ALLOW_UNTRUSTED_KEXTS)
  43 #define CSR_MAX_LEGAL_VALUE (CSR_ALLOW_UNTRUSTED_KEXTS | \
  44                              CSR_ALLOW_UNRESTRICTED_FS | \
  45                              CSR_ALLOW_TASK_FOR_PID | \
  46                              CSR_ALLOW_KERNEL_DEBUGGER | \
  47                              CSR_ALLOW_APPLE_INTERNAL | \
  48                              CSR_ALLOW_UNRESTRICTED_DTRACE | \
  49                              CSR_ALLOW_UNRESTRICTED_NVRAM)
  50
  51 extern CHAR16 *gCsrStatus;
  52
  53 EFI_STATUS GetCsrStatus(UINT32 *CsrValue);
  54 VOID RecordgCsrStatus(UINT32 CsrStatus, BOOLEAN DisplayMessage);
  55 VOID RotateCsrValue(VOID);
  56 EFI_STATUS SetAppleOSInfo();
  57
  58 #endif