williamp/osmocom-analog
1
0
Fork 0
Code Issues Pull Requests Actions Packages Projects Releases Wiki Activity

C-Netz: Add authentication support (process only)

Browse Source 
No real authentication, since the algorithm and the keys inside the cards
are not known. A challenge can be specified and optionally the response
can be verified.
This commit is contained in:
Andreas Eversberg
2019-06-29 07:49:28 +02:00
parent 5d9a9b59c3
commit 13245c56f6
11 changed files with 220 additions and 76 deletions
Download Patch File Download Diff File Expand all files Collapse all files

30
src/cnetz/transaction.h
View File

@@ -17,20 +17,23 @@
#define TRANS_VAK (1 << 10) /* establishment of call sent, switching channel */
/* traffic channel */
#define TRANS_BQ (1 << 11) /* accnowledge channel */
#define TRANS_VHQ (1 << 12) /* hold call */
#define TRANS_RTA (1 << 13) /* hold call and make the phone ring */
#define TRANS_DS (1 << 14) /* establish speech connection */
#define TRANS_AHQ (1 << 15) /* establish speech connection after answer */
#define TRANS_ZFZ (1 << 12) /* hold call and send and receive challenge request */
#define TRANS_AP (1 << 13) /* hold call and send and receive challenge request */
#define TRANS_VHQ_K (1 << 14) /* hold call until speech channel or challenge response is available */
#define TRANS_VHQ_V (1 << 15) /* hold call while in conversation on distributed signalling */
#define TRANS_RTA (1 << 16) /* hold call and make the phone ring */
#define TRANS_DS (1 << 17) /* establish speech connection */
#define TRANS_AHQ (1 << 18) /* establish speech connection after answer */
/* release */
#define TRANS_VA (1 << 16) /* release call in queue by base station (OgK) */
#define TRANS_AF (1 << 17) /* release connection by base station (SpK) */
#define TRANS_AT (1 << 18) /* release connection by mobile station */
#define TRANS_ATQ (1 << 19) /* acknowledge release of MO call in queue */
#define TRANS_VA (1 << 19) /* release call in queue by base station (OgK) */
#define TRANS_AF (1 << 20) /* release connection by base station (SpK) */
#define TRANS_AT (1 << 21) /* release connection by mobile station */
#define TRANS_ATQ (1 << 22) /* acknowledge release of MO call in queue */
/* queue */
#define TRANS_MO_QUEUE (1 << 20) /* MO queue */
#define TRANS_MT_QUEUE (1 << 21) /* MT queue */
#define TRANS_MO_DELAY (1 << 22) /* delay to be sure the channel is free again */
#define TRANS_MT_DELAY (1 << 23)
#define TRANS_MO_QUEUE (1 << 23) /* MO queue */
#define TRANS_MT_QUEUE (1 << 24) /* MT queue */
#define TRANS_MO_DELAY (1 << 25) /* delay to be sure the channel is free again */
#define TRANS_MT_DELAY (1 << 26)
typedef struct transaction {
struct transaction *next; /* pointer to next node in list */
@@ -39,6 +42,7 @@ typedef struct transaction {
uint8_t futln_nat; /* current station ID (3 values) */
uint8_t futln_fuvst;
uint16_t futln_rest;
int futelg_bit; /* chip card inside phone */
int extended; /* extended frequency capability */
char dialing[18]; /* number dialed by the phone */
int64_t state; /* state of transaction */
@@ -53,7 +57,7 @@ typedef struct transaction {
} transaction_t;
const char *transaction2rufnummer(transaction_t *trans);
transaction_t *create_transaction(cnetz_t *cnetz, uint64_t state, uint8_t futln_nat, uint8_t futln_fuvst, uint16_t futln_rest, int extended);
transaction_t *create_transaction(cnetz_t *cnetz, uint64_t state, uint8_t futln_nat, uint8_t futln_fuvst, uint16_t futln_rest, int futelg_bit, int extended);
void destroy_transaction(transaction_t *trans);
void link_transaction(transaction_t *trans, cnetz_t *cnetz);
void unlink_transaction(transaction_t *trans);