1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
|
#define SIM_VERSION_NAME "TelecardVersion"
#define SIM_VERSION "3"
#define JOLLY_NAME "Jolly"
#define JOLLY_PHONE "04644973171"
#define FUTLN_DEFAULT "2222001"
#define SICHERUNG_DEFAULT "3103"
#define KARTEN_DEFAULT "3"
#define SONDER_DEFAULT "0"
#define WARTUNG_DEFAULT "65535"
#define PIN_DEFAULT "0000"
#define AUTH_DEFAULT ((uint64_t)0x000000000badefee)
enum l1_state {
L1_STATE_RESET = 0, /* reset is held */
L1_STATE_ATR, /* answer to reset is sent */
L1_STATE_IDLE, /* waiting for message or reset */
L1_STATE_SEND, /* sending reply */
L1_STATE_RECEIVE, /* receiving message */
L1_STATE_COMPLETE, /* received message complete, waiting for card reader to release */
L1_STATE_GARBAGE, /* received garbage right after frame, waiting for timeout */
};
enum block_state {
BLOCK_STATE_ADDRESS = 0,
BLOCK_STATE_CONTROL,
BLOCK_STATE_LENGTH,
BLOCK_STATE_DATA,
};
#define MAX_PIN_TRY 3
#define MAX_CARDS 8 /* must also be defined at eeprom.h */
typedef struct sim_sim {
int card;
enum l1_state l1_state;
/* ATR states */
int atr_count;
/* layer 2 states */
enum block_state block_state;
uint8_t block_address;
uint8_t block_control;
uint8_t block_checksum;
uint8_t block_count;
uint8_t block_rx_data[64];
uint8_t block_rx_length;
uint8_t block_tx_data[64];
uint8_t block_tx_length;
uint8_t vs, vr;
int reject_count;
int resync_sent;
/* ICL layer states */
int icl_online;
int icl_master;
int icl_chaining;
int icl_error;
/* layer 7 states */
int addr_src;
int addr_dst;
int sh_appl_count; /* counts applications for SH_APPL */
/* CNETZ states */
int pin_required; /* pin required an not yet validated */
int program_mode; /* program mode active (special PIN entered) */
int pin_len; /* length of pin (4 .. 8) */
int pin_try; /* number of tries left (0 == card locked) */
int app; /* currently selected APP number */
int app_locked; /* application locked */
int gebz_locked; /* metering counter and phonebook locked */
int gebz_full; /* metering counter full (does this really happen?) */
} sim_sim_t;
/* layer 2 */
enum l2_cmd {
L2_I,
L2_REJ,
L2_RES,
};
/* ICL */
#define ICB1_ONLINE 0x01
#define ICB1_CONFIRM 0x02
#define ICB1_MASTER 0x04
#define ICB1_WT_EXT 0x08
#define ICB1_ABORT 0x10
#define ICB1_ERROR 0x20
#define ICB1_CHAINING 0x40
#define ICB2_BUFFER 0x0f
#define ICB2_DYNAMIC 0x10
#define ICB2_ISO_L2 0x20
#define ICB2_PRIVATE 0x40
#define ICB_EXT 0x80
/* command */
#define CLA_CNTR 0x02
#define SL_APPL 0xf1
#define CL_APPL 0xf2
#define SH_APPL 0xf3
#define CLA_STAT 0x03
#define CHK_KON 0xf1
#define CLA_WRTE 0x04
#define WT_RUFN 0x01
#define CLA_READ 0x05
#define RD_EBDT 0x01
#define RD_RUFN 0x02
#define RD_GEBZ 0x03
#define CLA_EXEC 0x06
#define CHK_PIN 0xf1
#define SET_PIN 0xf2
#define EH_GEBZ 0x01
#define CL_GEBZ 0x02
#define SP_GZRV 0x01
#define FR_GZRV 0x02
#define CLA_AUTO 0x07
#define AUT_1 0x01
/* response */
#define CCRC_PIN_NOK 0x01
#define CCRC_AFBZ_NULL 0x02
#define CCRC_APRC_VALID 0x04
#define CCRC_ERROR 0x40
#define CCRC_IDENT 0x80
#define APRC_PIN_REQ 0x02
#define APRC_APP_LOCKED 0x04
#define APRC_GEBZ_LOCK 0x10
#define APRC_GEBZ_FULL 0x20
/* apps */
#define APP_NETZ_C 3
#define APP_RUFN_GEBZ 4
/* defined for main.c */
size_t eeprom_length(void);
int encode_ebdt(uint8_t *data, const char *futln, const char *sicherung, const char *karten, const char *sonder, const char *wartung);
void decode_ebdt(uint8_t *data, char *futln, char *sicherung, char *karten, char *sonder, char *wartung);
int directory_size(void);
int save_directory(int location, uint8_t *data);
void load_directory(int location, uint8_t *data);
int encode_directory(uint8_t *data, const char *number, const char *name);
void decode_directory(uint8_t *data, char *number, char *name);
int sim_init_eeprom(void);
void sim_reset(sim_sim_t *sim, int reset);
int sim_rx(sim_sim_t *sim, uint8_t c);
int sim_tx(sim_sim_t *sim);
void sim_timeout(sim_sim_t *sim);
|