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reader-common.c
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reader-common.c
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#include "globals.h"
#ifdef WITH_CARDREADER
#include "module-led.h"
#include "oscam-chk.h"
#include "oscam-client.h"
#include "oscam-ecm.h"
#include "oscam-emm.h"
#include "oscam-net.h"
#include "oscam-time.h"
#include "oscam-work.h"
#include "oscam-reader.h"
#include "reader-common.h"
#include "csctapi/atr.h"
#include "csctapi/icc_async.h"
extern struct s_cardsystem cardsystems[CS_MAX_MOD];
extern char *RDR_CD_TXT[];
int32_t check_sct_len(const uchar *data, int32_t off)
{
int32_t len = SCT_LEN(data);
if (len + off > MAX_LEN) {
cs_debug_mask(D_TRACE | D_READER, "check_sct_len(): smartcard section too long %d > %d", len, MAX_LEN - off);
len = -1;
}
return len;
}
static void reader_nullcard(struct s_reader * reader)
{
memset(&reader->csystem , 0 , sizeof(reader->csystem));
memset(reader->hexserial, 0 , sizeof(reader->hexserial));
memset(reader->prid , 0xFF, sizeof(reader->prid ));
reader->caid=0;
reader->nprov=0;
cs_clear_entitlement(reader);
}
int32_t reader_cmd2icc(struct s_reader * reader, const uchar *buf, const int32_t l, uchar * cta_res, uint16_t * p_cta_lr)
{
int32_t rc;
*p_cta_lr=CTA_RES_LEN-1; //FIXME not sure whether this one is necessary
rdr_ddump_mask(reader, D_READER, buf, l, "write to cardreader");
rc=ICC_Async_CardWrite(reader, (uchar *)buf, (uint16_t)l, cta_res, p_cta_lr);
return rc;
}
#define CMD_LEN 5
int32_t card_write(struct s_reader * reader, const uchar *cmd, const uchar *data, uchar *response, uint16_t * response_length)
{
uchar buf[260];
// always copy to be able to be able to use const buffer without changing all code
memcpy(buf, cmd, CMD_LEN);
if (data) {
if (cmd[4]) memcpy(buf+CMD_LEN, data, cmd[4]);
return(reader_cmd2icc(reader, buf, CMD_LEN+cmd[4], response, response_length));
}
else
return(reader_cmd2icc(reader, buf, CMD_LEN, response, response_length));
}
static inline int reader_use_gpio(struct s_reader * reader) {
return reader->use_gpio && reader->detect > 4;
}
static int32_t reader_card_inserted(struct s_reader * reader)
{
if (!reader_use_gpio(reader) && (reader->detect & 0x7f) > 3)
return 1;
int32_t card;
if (ICC_Async_GetStatus (reader, &card)) {
rdr_log(reader, "Error getting card status.");
return 0; //corresponds with no card inside!!
}
return (card);
}
static int32_t reader_activate_card(struct s_reader * reader, ATR * atr, uint16_t deprecated)
{
int32_t i,ret;
if (reader->card_status != CARD_NEED_INIT)
return 0;
/* Activate card */
for (i=0; i<3; i++) {
ret = ICC_Async_Activate(reader, atr, deprecated);
if (!ret)
break;
rdr_log(reader, "Error activating card.");
led_status_card_activation_error();
cs_sleepms(500);
}
if (ret) return(0);
// rdr_log("ATR: %s", cs_hexdump(1, atr, atr_size, tmp, sizeof(tmp)));//FIXME
cs_sleepms(1000);
return(1);
}
void cardreader_get_card_info(struct s_reader *reader)
{
if ((reader->card_status == CARD_NEED_INIT) || (reader->card_status == CARD_INSERTED)) {
struct s_client *cl = reader->client;
if (cl)
cl->last=time((time_t*)0);
if (reader->csystem.active && reader->csystem.card_info) {
reader->csystem.card_info(reader);
}
}
}
static int32_t reader_get_cardsystem(struct s_reader * reader, ATR *atr)
{
int32_t i;
for (i=0; i<CS_MAX_MOD; i++) {
if (cardsystems[i].card_init) {
NULLFREE(reader->csystem_data);
if (cardsystems[i].card_init(reader, atr)) {
rdr_log(reader, "found card system %s", cardsystems[i].desc);
reader->csystem=cardsystems[i];
reader->csystem.active=1;
led_status_found_cardsystem();
break;
} else {
// On error free allocated card system data if any
NULLFREE(reader->csystem_data);
}
}
}
if (reader->csystem.active==0)
{
rdr_log(reader, "card system not supported");
led_status_unsupported_card_system();
}
return(reader->csystem.active);
}
void cardreader_do_reset(struct s_reader *reader)
{
reader_nullcard(reader);
ATR atr;
int32_t ret = 0;
ret = ICC_Async_Reset(reader, &atr, reader_activate_card, reader_get_cardsystem);
if (ret == -1)
return;
if (ret == 0) {
uint16_t deprecated;
for (deprecated = reader->deprecated; deprecated < 2; deprecated++) {
if (!reader_activate_card(reader, &atr, deprecated)) break;
ret = reader_get_cardsystem(reader, &atr);
if (ret)
break;
if (!deprecated)
rdr_log(reader, "Normal mode failed, reverting to Deprecated Mode");
}
}
if (!ret)
{
reader->card_status = CARD_FAILURE;
rdr_log(reader, "card initializing error");
ICC_Async_DisplayMsg(reader, "AER");
led_status_card_activation_error();
}
else
{
cardreader_get_card_info(reader);
reader->card_status = CARD_INSERTED;
do_emm_from_file(reader);
ICC_Async_DisplayMsg(reader, "AOK");
ICC_Set_Transmit_Timeout(reader);
}
return;
}
static int32_t cardreader_device_init(struct s_reader *reader)
{
int32_t rc = -1; //FIXME
if (ICC_Async_Device_Init(reader))
rdr_log(reader, "Cannot open device: %s", reader->device);
else
rc = OK;
return((rc!=OK) ? 2 : 0); //exit code 2 means keep retrying, exit code 0 means all OK
}
int32_t cardreader_do_checkhealth(struct s_reader * reader)
{
struct s_client *cl = reader->client;
if (reader_card_inserted(reader)) {
if (reader->card_status == NO_CARD || reader->card_status == UNKNOWN) {
rdr_log(reader, "card detected");
led_status_card_detected();
reader->card_status = CARD_NEED_INIT;
add_job(cl, ACTION_READER_RESET, NULL, 0);
}
} else {
rdr_debug_mask(reader, D_READER, "%s: !reader_card_inserted", __func__);
if (reader->card_status == CARD_INSERTED || reader->card_status == CARD_NEED_INIT) {
rdr_log(reader, "card ejected");
reader_nullcard(reader);
NULLFREE(reader->csystem_data);
if (cl) {
cl->lastemm = 0;
cl->lastecm = 0;
}
led_status_card_ejected();
}
reader->card_status = NO_CARD;
}
rdr_debug_mask(reader, D_READER, "%s: reader->card_status = %d, ret = %d", __func__,
reader->card_status, reader->card_status == CARD_INSERTED);
return reader->card_status == CARD_INSERTED;
}
// Check for card inserted or card removed on pysical reader
void cardreader_checkhealth(struct s_client *cl, struct s_reader *rdr) {
if (!rdr || !rdr->enable || !rdr->active)
return;
add_job(cl, ACTION_READER_CHECK_HEALTH, NULL, 0);
}
void cardreader_reset(struct s_client *cl) {
add_job(cl, ACTION_READER_RESET, NULL, 0);
}
void cardreader_init_locks(void) {
ICC_Async_Init_Locks();
}
bool cardreader_init(struct s_reader *reader) {
struct s_client *client = reader->client;
client->typ = 'r';
set_localhost_ip(&client->ip);
while (cardreader_device_init(reader) == 2) {
int8_t i = 0;
do {
cs_sleepms(2000);
if (!ll_contains(configured_readers, reader) || !is_valid_client(client) || reader->enable != 1)
return false;
i++;
} while (i < 30);
}
if (reader->mhz > 2000) {
rdr_log(reader, "Reader initialized (device=%s, detect=%s%s, pll max=%.2f Mhz, wanted cardmhz=%.2f Mhz",
reader->device,
reader->detect & 0x80 ? "!" : "",
RDR_CD_TXT[reader->detect & 0x7f],
(float)reader->mhz /100,
(float)reader->cardmhz / 100);
} else {
rdr_log(reader, "Reader initialized (device=%s, detect=%s%s, mhz=%d, cardmhz=%d)",
reader->device,
reader->detect & 0x80 ? "!" : "",
RDR_CD_TXT[reader->detect & 0x7f],
reader->mhz,
reader->cardmhz);
}
return true;
}
void cardreader_close(struct s_reader *reader) {
ICC_Async_Close(reader);
}
void reader_post_process(struct s_reader * reader)
{
// some systems eg. nagra2/3 needs post process after receiving cw from card
// To save ECM/CW time we added this function after writing ecm answer
if (reader->csystem.active && reader->csystem.post_process) {
reader->csystem.post_process(reader);
}
}
int32_t cardreader_do_ecm(struct s_reader *reader, ECM_REQUEST *er, struct s_ecm_answer *ea)
{
int32_t rc=-1;
if( (rc=cardreader_do_checkhealth(reader)) ) {
rdr_debug_mask(reader, D_READER, "%s: cardreader_do_checkhealth returned rc=%d", __func__, rc);
struct s_client *cl = reader->client;
if (cl) {
cl->last_srvid=er->srvid;
cl->last_caid=er->caid;
cl->last=time((time_t*)0);
}
if (reader->csystem.active && reader->csystem.do_ecm) {
rc=reader->csystem.do_ecm(reader, er, ea);
rdr_debug_mask(reader, D_READER, "%s: after csystem.do_ecm rc=%d", __func__, rc);
} else
rc=0;
}
rdr_debug_mask(reader, D_READER, "%s: ret rc=%d", __func__, rc);
return(rc);
}
int32_t cardreader_do_emm(struct s_reader *reader, EMM_PACKET *ep)
{
int32_t rc=-1;
rc=cardreader_do_checkhealth(reader);
if (rc) {
if ((1<<(ep->emm[0] % 0x80)) & reader->b_nano)
return 3;
if (reader->csystem.active && reader->csystem.do_emm)
rc=reader->csystem.do_emm(reader, ep);
else
rc=0;
}
return(rc);
}
void cardreader_process_ecm(struct s_reader *reader, struct s_client *cl, ECM_REQUEST *er) {
if (ecm_ratelimit_check(reader, er, 1) != OK) {
rdr_debug_mask(reader, D_READER, "%s: ratelimit check failed.", __func__);
return; // reader_mode = 1: checkout ratelimiter in reader mode so srvid can be replaced
}
cs_ddump_mask(D_ATR, er->ecm, er->ecmlen, "ecm:");
struct timeb tps, tpe;
cs_ftime(&tps);
struct s_ecm_answer ea;
memset(&ea, 0, sizeof(struct s_ecm_answer));
int32_t rc = cardreader_do_ecm(reader, er, &ea);
rdr_debug_mask(reader, D_READER, "%s: cardreader_do_ecm returned rc=%d (ERROR=%d)", __func__, rc, ERROR);
ea.rc = E_FOUND; //default assume found
ea.rcEx = 0; //no special flag
if (rc == ERROR) {
char buf[32];
rdr_debug_mask(reader, D_READER, "Error processing ecm for caid %04X, srvid %04X, servicename: %s",
er->caid, er->srvid, get_servicename(cl, er->srvid, er->caid, buf));
ea.rc = E_NOTFOUND;
ea.rcEx = 0;
ICC_Async_DisplayMsg(reader, "Eer");
}
if (rc == E_CORRUPT) {
char buf[32];
rdr_debug_mask(reader, D_READER, "Error processing ecm for caid %04X, srvid %04X, servicename: %s",
er->caid, er->srvid, get_servicename(cl, er->srvid, er->caid, buf));
ea.rc = E_NOTFOUND;
ea.rcEx = E2_WRONG_CHKSUM; //flag it as wrong checksum
memcpy (ea.msglog,"Invalid ecm type for card",25);
}
cs_ftime(&tpe);
cl->lastecm=time((time_t*)0);
char ecmd5[17*3];
cs_hexdump(0, er->ecmd5, 16, ecmd5, sizeof(ecmd5));
rdr_debug_mask(reader, D_READER, "ecm hash: %s real time: %ld ms",
ecmd5, 1000 * (tpe.time - tps.time) + tpe.millitm - tps.millitm);
write_ecm_answer(reader, er, ea.rc, ea.rcEx, ea.cw, ea.msglog);
reader_post_process(reader);
}
#endif