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Member "cryptsetup-2.4.3/tests/api_test.h" (13 Jan 2022, 5402 Bytes) of package /linux/misc/cryptsetup-2.4.3.tar.xz:


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    1 /*
    2  * cryptsetup library API check functions
    3  *
    4  * Copyright (C) 2009-2021 Red Hat, Inc. All rights reserved.
    5  * Copyright (C) 2009-2021 Milan Broz
    6  * Copyright (C) 2016-2021 Ondrej Kozina
    7  *
    8  * This program is free software; you can redistribute it and/or
    9  * modify it under the terms of the GNU General Public License
   10  * as published by the Free Software Foundation; either version 2
   11  * of the License, or (at your option) any later version.
   12  *
   13  * This program is distributed in the hope that it will be useful,
   14  * but WITHOUT ANY WARRANTY; without even the implied warranty of
   15  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
   16  * GNU General Public License for more details.
   17  *
   18  * You should have received a copy of the GNU General Public License
   19  * along with this program; if not, write to the Free Software
   20  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
   21  */
   22 
   23 #ifndef API_TEST_H
   24 #define API_TEST_H
   25 
   26 #include <stdio.h>
   27 #include <stdint.h>
   28 
   29 extern char *THE_LOOP_DEV;
   30 extern int _debug;
   31 extern int global_lines;
   32 extern int _quit;
   33 extern int _verbose;
   34 extern uint64_t t_dev_offset;
   35 
   36 int t_device_size(const char *device, uint64_t *size);
   37 int t_dm_check_versions(void);
   38 int t_dm_crypt_keyring_support(void);
   39 int t_dm_crypt_cpu_switch_support(void);
   40 int t_dm_crypt_discard_support(void);
   41 
   42 int fips_mode(void);
   43 
   44 int create_dmdevice_over_loop(const char *dm_name, const uint64_t size);
   45 
   46 int get_key_dm(const char *name, char *buffer, unsigned int buffer_size);
   47 
   48 int prepare_keyfile(const char *name, const char *passphrase, int size);
   49 
   50 int crypt_decode_key(char *key, const char *hex, unsigned int size);
   51 
   52 void global_log_callback(int level, const char *msg, void *usrptr);
   53 
   54 void reset_log(void);
   55 
   56 int _system(const char *command, int warn);
   57 
   58 void register_cleanup(void (*cleanup)(void));
   59 
   60 void check_ok(int status, int line, const char *func);
   61 void check_ok_return(int status, int line, const char *func);
   62 void check_ko(int status, int line, const char *func);
   63 void check_equal(int line, const char *func, int64_t x, int64_t y);
   64 void check_ge_equal(int line, const char *func, int64_t x, int64_t y);
   65 void check_null(int line, const char *func, const void *x);
   66 void check_notnull(int line, const char *func, const void *x);
   67 void xlog(const char *msg, const char *tst, const char *func, int line, const char *txt);
   68 
   69 /* crypt_device context must be "cd" to parse error properly here */
   70 #define OK_(x)      do { xlog("(success)", #x, __FUNCTION__, __LINE__, NULL); \
   71                  check_ok((x), __LINE__, __FUNCTION__); \
   72             } while(0)
   73 #define NOTFAIL_(x, y)  do { xlog("(notfail)", #x, __FUNCTION__, __LINE__, y); \
   74                  check_ok_return((x), __LINE__, __FUNCTION__); \
   75             } while(0)
   76 #define FAIL_(x, y) do { xlog("(fail)   ", #x, __FUNCTION__, __LINE__, y); \
   77                  check_ko((x), __LINE__, __FUNCTION__); \
   78             } while(0)
   79 #define EQ_(x, y)   do { int64_t _x = (x), _y = (y); \
   80                  xlog("(equal)  ", #x " == " #y, __FUNCTION__, __LINE__, NULL); \
   81                  if (_x != _y) check_equal(__LINE__, __FUNCTION__, _x, _y); \
   82             } while(0)
   83 #define GE_(x, y)   do { int64_t _x = (x), _y = (y); \
   84                  xlog("(g_equal)", #x " == " #y, __FUNCTION__, __LINE__, NULL); \
   85                  if (_x < _y) check_ge_equal(__LINE__, __FUNCTION__, _x, _y); \
   86             } while(0)
   87 #define NULL_(x)    do { xlog("(null)   ", #x, __FUNCTION__, __LINE__, NULL); \
   88                  check_null(__LINE__, __FUNCTION__, (x)); \
   89             } while(0)
   90 #define NOTNULL_(x) do { xlog("(notnull)", #x, __FUNCTION__, __LINE__, NULL); \
   91                  check_notnull(__LINE__, __FUNCTION__, (x)); \
   92             } while(0)
   93 #define RUN_(x, y)  do { reset_log(); \
   94                  printf("%s: %s\n", #x, (y)); x(); \
   95             } while (0)
   96 
   97 #define CRYPT_FREE(x) do { crypt_free(x); x = NULL; } while (0)
   98 
   99 #define DMDIR "/dev/mapper/"
  100 
  101 #define TST_SECTOR_SHIFT 9L
  102 #define TST_SECTOR_SIZE 512
  103 #define TST_LOOP_FILE_SIZE (((1 << 20) * 100) >> TST_SECTOR_SHIFT)
  104 #define DIV_ROUND_UP(n,d) (((n) + (d) - 1) / (d))
  105 #define DIV_ROUND_UP_MODULO(n,d) (DIV_ROUND_UP(n,d)*(d))
  106 
  107 /* Device mapper backend - kernel support flags */
  108 #define T_DM_KEY_WIPE_SUPPORTED (1 << 0)    /* key wipe message */
  109 #define T_DM_LMK_SUPPORTED      (1 << 1)    /* lmk mode */
  110 #define T_DM_SECURE_SUPPORTED   (1 << 2)    /* wipe (secure) buffer flag */
  111 #define T_DM_PLAIN64_SUPPORTED  (1 << 3)    /* plain64 IV */
  112 #define T_DM_DISCARDS_SUPPORTED (1 << 4)    /* discards/TRIM option is supported */
  113 #define T_DM_VERITY_SUPPORTED   (1 << 5)    /* dm-verity target supported */
  114 #define T_DM_TCW_SUPPORTED      (1 << 6)    /* tcw (TCRYPT CBC with whitening) */
  115 #define T_DM_SAME_CPU_CRYPT_SUPPORTED (1 << 7) /* same_cpu_crypt */
  116 #define T_DM_SUBMIT_FROM_CRYPT_CPUS_SUPPORTED (1 << 8) /* submit_from_crypt_cpus */
  117 #define T_DM_VERITY_ON_CORRUPTION_SUPPORTED (1 << 9) /* ignore/restart_on_corruption, ignore_zero_block */
  118 #define T_DM_VERITY_FEC_SUPPORTED (1 << 10) /* Forward Error Correction (FEC) */
  119 #define T_DM_KERNEL_KEYRING_SUPPORTED (1 << 11) /* dm-crypt allows loading kernel keyring keys */
  120 #define T_DM_INTEGRITY_SUPPORTED (1 << 12) /* dm-integrity target supported */
  121 //FIXME add T_DM_SECTOR_SIZE once we have version
  122 
  123 /* loop helpers */
  124 int loop_device(const char *loop);
  125 int loop_attach(char **loop, const char *file, int offset,
  126               int autoclear, int *readonly);
  127 int loop_detach(const char *loop);
  128 
  129 int t_device_size_by_devno(dev_t devno, uint64_t *retval);
  130 int t_get_devno(const char *dev, dev_t *devno);
  131 
  132 #endif