385 lines
9.0 KiB
C
385 lines
9.0 KiB
C
#include "globals.h"
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#ifdef READER_VIDEOGUARD
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#include "reader-common.h"
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#include "reader-videoguard-common.h"
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static int32_t vg1_do_cmd(struct s_reader *reader, const uint8_t *ins, const uint8_t *txbuff, uint8_t *rxbuff, uint8_t *cta_res)
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{
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uint16_t cta_lr;
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uint8_t ins2[5];
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memcpy(ins2, ins, 5);
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uint8_t len = 0;
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len = ins2[4];
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if(txbuff == NULL)
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{
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if(!write_cmd_vg(ins2, NULL) || !status_ok(cta_res + len))
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{
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return -1;
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}
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if(rxbuff != NULL)
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{
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memcpy(rxbuff, ins2, 5);
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memcpy(rxbuff + 5, cta_res, len);
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memcpy(rxbuff + 5 + len, cta_res + len, 2);
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}
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}
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else
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{
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if(!write_cmd_vg(ins2, (uint8_t *)txbuff) || !status_ok(cta_res))
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{
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return -2;
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}
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if(rxbuff != NULL)
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{
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memcpy(rxbuff, ins2, 5);
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memcpy(rxbuff + 5, txbuff, len);
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memcpy(rxbuff + 5 + len, cta_res, 2);
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}
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}
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return len;
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}
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static void read_tiers(struct s_reader *reader)
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{
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def_resp;
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//const uint8_t ins2a[5] = { 0x48, 0x2a, 0x00, 0x00, 0x00 };
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int32_t l;
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//return; // Not working at present so just do nothing
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//l = vg1_do_cmd(reader, ins2a, NULL, NULL, cta_res);
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//if (l < 0 || !status_ok(cta_res + l))
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//{
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// return;
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//}
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uint8_t ins76[5] = { 0x48, 0x76, 0x00, 0x00, 0x00 };
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ins76[3] = 0x7f;
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ins76[4] = 2;
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if(!write_cmd_vg(ins76, NULL) || !status_ok(cta_res + 2))
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{
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return;
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}
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ins76[3] = 0;
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ins76[4] = 0x0a;
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int32_t num = cta_res[1];
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int32_t i;
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cs_clear_entitlement(reader); // reset the entitlements
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for(i = 0; i < num; i++)
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{
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ins76[2] = i;
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l = vg1_do_cmd(reader, ins76, NULL, NULL, cta_res);
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if(l < 0 || !status_ok(cta_res + l))
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{
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return;
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}
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if(cta_res[2] == 0 && cta_res[3] == 0)
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{
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break;
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}
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uint16_t tier_id = (cta_res[2] << 8) | cta_res[3];
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// add entitlements to list
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struct tm timeinfo;
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memset(&timeinfo, 0, sizeof(struct tm));
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rev_expiredate_calc_tm(&cta_res[4], &timeinfo, reader->card_expiredate_basemonth, reader->card_expiredate_baseyear);
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char tiername[83];
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cs_add_entitlement(reader, reader->caid, b2ll(4, reader->prid[0]), tier_id, 0, 0, mktime(&timeinfo), 4, 1);
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rdr_log(reader, "tier: %04x, expiry date: %04d/%02d/%02d-%02d:%02d:%02d %s",
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tier_id, timeinfo.tm_year + 1900, timeinfo.tm_mon + 1, timeinfo.tm_mday, timeinfo.tm_hour,
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timeinfo.tm_min, timeinfo.tm_sec, get_tiername(tier_id, reader->caid, tiername));
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}
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}
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static int32_t videoguard1_card_init(struct s_reader *reader, ATR *newatr)
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{
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get_hist;
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/* 40 B0 09 4A 50 01 4E 5A */
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if((hist_size < 7) || (hist[1] != 0xB0) || (hist[3] != 0x4A) || (hist[4] != 0x50))
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{
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return ERROR;
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}
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get_atr;
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def_resp;
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if(!cs_malloc(&reader->csystem_data, sizeof(struct videoguard_data)))
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{
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return ERROR;
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}
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if((reader->ndsversion != NDS1) && (reader->ndsversion != NDSAUTO))
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{
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/* known ATR and not NDS1
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or unknown ATR and not forced to NDS1
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or known NDS1 ATR and forced to another NDS version
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...probably not NDS1 */
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return ERROR;
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}
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rdr_log(reader, "type: VideoGuard1 Card, base tiers expiration date: %i/%i", reader->card_expiredate_basemonth, reader->card_expiredate_baseyear);
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if(reader->ndsversion == NDS1)
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{
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rdr_log(reader, "forced to NDS1+");
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}
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/* NDS1 Class 48 only cards only need a very basic initialisation
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NDS1 Class 48 only cards do not respond to vg1_do_cmd(ins7416)
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nor do they return list of valid command therefore do not even try
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NDS1 Class 48 only cards need to be told the length as (48, ins, 00, 80, 01)
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does not return the length */
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int32_t l = 0;
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uint8_t buff[256];
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memset(buff, 0, sizeof(buff));
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/* Try to get the boxid from the card, even if BoxID specified in the config file
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also used to check if it is an NDS1 card as the returned information will
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not be encrypted if it is an NDS1 card */
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static const uint8_t ins36[5] = { 0x48, 0x36, 0x00, 0x00, 0x90 };
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uint8_t boxID[4];
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int32_t boxidOK = 0;
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l = vg1_do_cmd(reader, ins36, NULL, buff, cta_res);
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if(buff[7] > 0x0F)
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{
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rdr_log(reader, "class48 ins36: encrypted - therefore not an NDS1 card");
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return ERROR;
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}
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else
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{
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/* skipping the initial fixed fields: cmdecho (4) + length (1) + encr/rev++ (4) */
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int32_t i = 9;
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int32_t gotUA = 0;
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while(i < l)
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{
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if(!gotUA && buff[i] < 0xF0) /* then we guess that the next 4 bytes is the UA */
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{
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gotUA = 1;
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i += 4;
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}
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else
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{
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switch(buff[i]) /* object length vary depending on type */
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{
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case 0x00: /* padding */
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{
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i += 1;
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break;
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}
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case 0xEF: /* card status */
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{
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i += 3;
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break;
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}
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case 0xD1:
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{
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i += 4;
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break;
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}
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case 0xDF: /* next server contact */
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{
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i += 5;
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break;
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}
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case 0xF3: /* boxID */
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{
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memcpy(&boxID, &buff[i + 1], sizeof(boxID));
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boxidOK = 1;
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i += 5;
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break;
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}
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case 0xF6:
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{
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i += 6;
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break;
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}
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case 0xFC: /* No idea seems to with with NDS1 */
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{
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i += 14;
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break;
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}
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case 0x01: /* date & time */
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{
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i += 7;
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break;
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}
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case 0xFA:
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{
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i += 9;
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break;
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}
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case 0x5E:
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case 0x67: /* signature */
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case 0xDE:
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case 0xE2:
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case 0xE9: /* tier dates */
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case 0xF8: /* Old PPV Event Record */
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case 0xFD:
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{
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i += buff[i + 1] + 2; /* skip length + 2 bytes (type and length) */
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break;
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}
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default: /* default to assume a length byte */
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{
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rdr_log(reader, "class48 ins36: returned unknown type=0x%02X - parsing may fail", buff[i]);
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i += buff[i + 1] + 2;
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}
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}
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}
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}
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}
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/* the boxid is specified in the config */
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if(reader->boxid > 0)
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{
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int32_t i;
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for(i = 0; i < 4; i++)
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{
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boxID[i] = (reader->boxid >> (8 * (3 - i))) % 0x100;
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}
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}
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else
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{
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if(!boxidOK)
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{
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rdr_log(reader, "no boxID available");
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return ERROR;
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}
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}
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// Send BoxID
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static const uint8_t ins4C[5] = { 0x48, 0x4C, 0x00, 0x00, 0x09 };
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uint8_t payload4C[9] = { 0, 0, 0, 0, 3, 0, 0, 0, 4 };
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memcpy(payload4C, boxID, 4);
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if(!write_cmd_vg(ins4C, payload4C) || !status_ok(cta_res + l))
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{
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rdr_log(reader, "class48 ins4C: sending boxid failed");
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return ERROR;
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}
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static const uint8_t ins58[5] = { 0x48, 0x58, 0x00, 0x00, 0x17 };
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l = vg1_do_cmd(reader, ins58, NULL, buff, cta_res);
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if(l < 0)
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{
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rdr_log(reader, "class48 ins58: failed");
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return ERROR;
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}
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memset(reader->hexserial, 0, 8);
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memcpy(reader->hexserial + 2, cta_res + 1, 4);
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memcpy(reader->sa, cta_res + 1, 3);
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//reader->caid = cta_res[24] * 0x100 + cta_res[25];
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/* Force caid until can figure out how to get it */
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reader->caid = 0x9 * 0x100 + 0x69;
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/* we have one provider, 0x0000 */
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reader->nprov = 1;
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memset(reader->prid, 0x00, sizeof(reader->prid));
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rdr_log_sensitive(reader, "type: VideoGuard, caid: %04X, serial: {%02X%02X%02X%02X}, BoxID: {%02X%02X%02X%02X}",
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reader->caid, reader->hexserial[2], reader->hexserial[3], reader->hexserial[4], reader->hexserial[5],
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boxID[0], boxID[1], boxID[2], boxID[3]);
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rdr_log(reader, "ready for requests");
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return OK;
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}
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static int32_t videoguard1_do_ecm(struct s_reader *reader, const ECM_REQUEST *er, struct s_ecm_answer *ea)
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{
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uint8_t cta_res[CTA_RES_LEN];
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uint8_t ins40[5] = { 0x48, 0x40, 0x00, 0x80, 0xFF };
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static const uint8_t ins54[5] = { 0x48, 0x54, 0x00, 0x00, 0x0D };
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int32_t posECMpart2 = er->ecm[6] + 7;
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int32_t lenECMpart2 = er->ecm[posECMpart2];
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uint8_t tbuff[264];
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uint8_t rbuff[264];
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memcpy(&tbuff[0], &(er->ecm[posECMpart2 + 1]), lenECMpart2);
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ins40[4] = lenECMpart2;
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int32_t l;
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l = vg1_do_cmd(reader, ins40, tbuff, NULL, cta_res);
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if(l > 0 && status_ok(cta_res))
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{
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l = vg1_do_cmd(reader, ins54, NULL, rbuff, cta_res);
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if(l > 0 && status_ok(cta_res + l))
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{
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if(!cw_is_valid(rbuff + 5)) // sky cards report 90 00 = ok but send cw = 00 when channel not subscribed
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{
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rdr_log(reader, "class48 ins54 status 90 00 but cw=00 -> channel not subscribed");
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return ERROR;
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}
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if(er->ecm[0] & 1)
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{
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memset(ea->cw + 0, 0, 8);
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memcpy(ea->cw + 8, rbuff + 5, 8);
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}
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else
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{
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memcpy(ea->cw + 0, rbuff + 5, 8);
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memset(ea->cw + 8, 0, 8);
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}
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return OK;
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}
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}
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rdr_log(reader, "class48 ins54 (%d) status not ok %02x %02x", l, cta_res[0], cta_res[1]);
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return ERROR;
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}
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static int32_t videoguard1_do_emm(struct s_reader *reader, EMM_PACKET *ep)
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{
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return videoguard_do_emm(reader, ep, 0x48, read_tiers, vg1_do_cmd);
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}
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static int32_t videoguard1_do_rawcmd(struct s_reader *reader, CMD_PACKET *cp)
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{
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return videoguard_do_rawcmd(reader, cp);
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}
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static int32_t videoguard1_card_info(struct s_reader *reader)
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{
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/* info is displayed in init, or when processing info */
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rdr_log(reader, "card detected");
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rdr_log(reader, "type: VideoGuard1 Card");
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read_tiers(reader);
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return OK;
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}
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const struct s_cardsystem reader_videoguard1 =
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{
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.desc = "videoguard1",
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.caids = (uint16_t[]){ 0x09, 0 },
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.do_emm = videoguard1_do_emm,
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.do_rawcmd = videoguard1_do_rawcmd,
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.do_ecm = videoguard1_do_ecm,
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.card_info = videoguard1_card_info,
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.card_init = videoguard1_card_init,
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.get_emm_type = videoguard_get_emm_type,
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.get_emm_filter = videoguard_get_emm_filter,
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};
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#endif
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