#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