git.rot13.org Git - librfid/blob - include/librfid/rfid_access_mifare_classic.h

   1 #ifndef _RFID_MIFARE_ACCESS_H
   2 #define _RFID_MIFARE_ACCESS_H
   3
   4 struct mfcl_access_sect {
   5         u_int8_t block[4];
   6 };
   7
   8 int mfcl_compile_access(u_int8_t *encoded,
   9                         const struct mfcl_access_sect *ac);
  10 int mfcl_parse_access(struct mfcl_access_sect *ac, u_int8_t *encoded);
  11
  12
  13 enum mfcl_access_exp_data {
  14         MFCL_ACCESS_NEVER       = 0,
  15         MFCL_ACCESS_KEY_A       = 1,
  16         MFCL_ACCESS_KEY_B       = 2,
  17 };
  18
  19 struct mfcl_access_exp_block {
  20 #ifndef RFID_BIG_ENDIAN_BITFIELD
  21         u_int8_t read:2,
  22                  write:2,
  23                  inc:2,
  24                  dec:2;
  25 #else
  26         u_int8_t dec:2,
  27                  inc:2,
  28                  write:2,
  29                  read:2;
  30 #endif
  31 } __attribute__ ((packed));
  32
  33 struct mfcl_access_exp_acc {
  34 #ifndef RFID_BIG_ENDIAN_BITFIELD
  35         u_int8_t key_a_rd:2,
  36                   key_a_wr:2,
  37                   acc_rd:2,
  38                   acc_wr:2;
  39         u_int8_t key_b_rd:2,
  40                   key_b_wr:2,
  41                   reserved:4;
  42 #else
  43         u_int8_t acc_wr:2,
  44                   acc_rd:2,
  45                   key_a_wr:2,
  46                   key_a_rd:2;
  47         u_int8_t reserved:4,
  48                   key_b_wr:2,
  49                   key_b_rd:2;
  50 #endif
  51 } __attribute__ ((packed));
  52
  53
  54 struct mfcl_access_exp_sect {
  55         struct mfcl_access_exp_block block[3];
  56         struct mfcl_access_exp_acc acc;
  57 };
  58
  59 void mfcl_access_to_exp(struct mfcl_access_exp_sect *exp,
  60                         const struct mfcl_access_sect *sect);
  61
  62 char *mfcl_access_exp_stringify(const struct mfcl_access_exp_block *exp);
  63 char *mfcl_access_exp_acc_stringify(const struct mfcl_access_exp_acc *acc);
  64 #endif