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module-gbox-cards.c
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module-gbox-cards.c
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#define MODULE_LOG_PREFIX "gbox"
#include "globals.h"
#ifdef MODULE_GBOX
#include "module-gbox.h"
#include "module-gbox-cards.h"
#include "module-gbox-helper.h"
#include "oscam-lock.h"
#include "oscam-garbage.h"
#include "oscam-files.h"
#include "oscam-chk.h"
#include "oscam-string.h"
#include "oscam-time.h"
LLIST *gbox_cards;
LLIST *gbox_backup_cards; //NEEDFIX: this list has to be cleaned from time to time
CS_MUTEX_LOCK gbox_cards_lock;
uchar checkcode[7];
GBOX_CARDS_ITER *gbox_cards_iter_create(void)
{
GBOX_CARDS_ITER *gci;
if(!cs_malloc(&gci, sizeof(GBOX_CARDS_ITER)))
{ return NULL; }
cs_readlock(__func__, &gbox_cards_lock);
gci->it = ll_iter_create(gbox_cards);
return gci;
}
void gbox_cards_iter_destroy(GBOX_CARDS_ITER *gci)
{
cs_readunlock(__func__, &gbox_cards_lock);
if (gci) { add_garbage(gci); }
}
struct gbox_card *gbox_cards_iter_next(GBOX_CARDS_ITER *gci)
{
if (gci) { return ll_iter_next(&gci->it); }
else { return NULL; }
}
void gbox_write_share_cards_info(void)
{
uint16_t card_count_shared = 0;
uint16_t card_count_expired = 0;
char *fext = FILE_SHARED_CARDS_INFO;
char *fname = get_gbox_tmp_fname(fext);
FILE *fhandle_shared;
fhandle_shared = fopen(fname, "w");
if(!fhandle_shared)
{
cs_log("Couldn't open %s: %s", fname, strerror(errno));
return;
}
struct gbox_card *card;
cs_readlock(__func__, &gbox_cards_lock);
LL_ITER it = ll_iter_create(gbox_cards);
while((card = ll_iter_next(&it)))
{
if (card->type == GBOX_CARD_TYPE_GBOX)
{
fprintf(fhandle_shared, "CardID %d at %s Card %08X Sl:%d Lev:%1d dist:%1d id:%04X\n",
card_count_shared, card->origin_peer->hostname, card->caprovid,
card->id.slot, card->lvl, card->dist, card->id.peer);
card_count_shared++;
}
}
cs_readunlock(__func__, &gbox_cards_lock);
fclose(fhandle_shared);
fext = FILE_BACKUP_CARDS_INFO;
fname = get_gbox_tmp_fname(fext);
FILE *fhandle_expired;
fhandle_expired = fopen(fname, "w");
if(!fhandle_expired)
{
cs_log("Couldn't open %s: %s", fname, strerror(errno));
return;
}
cs_readlock(__func__, &gbox_cards_lock);
LL_ITER it2 = ll_iter_create(gbox_backup_cards);
while((card = ll_iter_next(&it2)))
{
if (card->type == GBOX_CARD_TYPE_GBOX)
{
fprintf(fhandle_expired, "CardID %2d at %s Card %08X Sl:%2d Lev:%1d dist:%1d id:%04X\n",
card_count_expired, card->origin_peer->hostname, card->caprovid,
card->id.slot, card->lvl, card->dist, card->id.peer);
card_count_expired++;
}
}
cs_readunlock(__func__, &gbox_cards_lock);
fclose(fhandle_expired);
return;
}
void gbox_write_local_cards_info(void)
{
uint16_t card_count_local = 0;
char *fext = FILE_LOCAL_CARDS_INFO;
char *fname = get_gbox_tmp_fname(fext);
FILE *fhandle_local;
fhandle_local = fopen(fname, "w");
if(!fhandle_local)
{
cs_log("Couldn't open %s: %s", fname, strerror(errno));
return;
}
struct gbox_card *card;
cs_readlock(__func__, &gbox_cards_lock);
LL_ITER it = ll_iter_create(gbox_cards);
while((card = ll_iter_next(&it)))
{
switch (card->type)
{
case GBOX_CARD_TYPE_GBOX:
break;
case GBOX_CARD_TYPE_LOCAL:
fprintf(fhandle_local, "CardID:%2d %s %08X Sl:%2d id:%04X\n",
card_count_local, "Local_Card", card->caprovid, card->id.slot, card->id.peer);
card_count_local++;
break;
case GBOX_CARD_TYPE_BETUN:
fprintf(fhandle_local, "CardID:%2d %s %08X Sl:%2d id:%04X\n",
card_count_local, "Betun_Card", card->caprovid, card->id.slot, card->id.peer);
card_count_local++;
break;
case GBOX_CARD_TYPE_CCCAM:
fprintf(fhandle_local, "CardID:%2d %s %08X Sl:%2d id:%04X\n",
card_count_local, "CCcam_Card", card->caprovid, card->id.slot, card->id.peer);
card_count_local++;
break;
case GBOX_CARD_TYPE_PROXY:
fprintf(fhandle_local, "CardID:%2d %s %08X Sl:%2d id:%04X\n",
card_count_local, "Proxy_Card", card->caprovid, card->id.slot, card->id.peer);
card_count_local++;
break;
default:
cs_log("Invalid card type: %d in gbox_write_cards_info", card->type);
break;
}
}
cs_readunlock(__func__, &gbox_cards_lock);
fclose(fhandle_local);
}
void gbox_write_stats(void)
{
int32_t card_count = 0;
struct gbox_good_srvid *srvid_good = NULL;
struct gbox_bad_srvid *srvid_bad = NULL;
char *fext = FILE_STATS;
char *fname = get_gbox_tmp_fname(fext);
FILE *fhandle;
fhandle = fopen(fname, "w");
if(!fhandle)
{
cs_log("Couldn't open %s: %s", fname, strerror(errno));
return;
}
struct gbox_card *card;
cs_readlock(__func__, &gbox_cards_lock);
LL_ITER it = ll_iter_create(gbox_cards);
while((card = ll_iter_next(&it)))
{
if (card->type == GBOX_CARD_TYPE_GBOX)
{
fprintf(fhandle, "CardID %4d Card %08X id:%04X #CWs:%d AVGtime:%d ms\n",
card_count, card->caprovid, card->id.peer, card->no_cws_returned, card->average_cw_time);
fprintf(fhandle, "Good SIDs:\n");
LL_ITER it2 = ll_iter_create(card->goodsids);
while((srvid_good = ll_iter_next(&it2)))
{ fprintf(fhandle, "%04X\n", srvid_good->srvid.sid); }
fprintf(fhandle, "Bad SIDs:\n");
it2 = ll_iter_create(card->badsids);
while((srvid_bad = ll_iter_next(&it2)))
{ fprintf(fhandle, "%04X #%d\n", srvid_bad->srvid.sid, srvid_bad->bad_strikes); }
card_count++;
}
} // end of while ll_iter_next
cs_readunlock(__func__, &gbox_cards_lock);
fclose(fhandle);
return;
}
void init_gbox_cards(void)
{
gbox_cards = ll_create("gbox.cards");
gbox_backup_cards = ll_create("gbox.backup.cards");
cs_lock_create(__func__, &gbox_cards_lock, "gbox_cards_lock", 5000);
cs_writelock(__func__, &gbox_cards_lock);
checkcode[0] = 0x15;
checkcode[1] = 0x30;
checkcode[2] = 0x02;
checkcode[3] = 0x04;
checkcode[4] = 0x19;
checkcode[5] = 0x19;
checkcode[6] = 0x66;
cs_writeunlock(__func__, &gbox_cards_lock);
}
static void update_checkcode(struct gbox_card *card)
{
checkcode[0] ^= (0xFF & (card->caprovid >> 24));
checkcode[1] ^= (0xFF & (card->caprovid >> 16));
checkcode[2] ^= (0xFF & (card->caprovid >> 8));
checkcode[3] ^= (0xFF & (card->caprovid));
checkcode[4] ^= (0xFF & (card->id.slot));
checkcode[5] ^= (0xFF & (card->id.peer >> 8));
checkcode[6] ^= (0xFF & (card->id.peer));
}
static void gbox_free_card(struct gbox_card *card)
{
ll_destroy_data(&card->badsids);
ll_destroy_data(&card->goodsids);
add_garbage(card);
return;
}
static uint8_t closer_path_known(uint32_t caprovid, uint16_t id_peer, uint8_t slot, uint8_t distance)
{
uint8_t ret = 0;
struct gbox_card *card;
cs_readlock(__func__, &gbox_cards_lock);
LL_ITER it = ll_iter_create(gbox_cards);
while((card = ll_iter_next(&it)))
{
if (card->caprovid == caprovid && card->id.peer == id_peer && card->id.slot == slot && card->dist <= distance)
{
ret = 1;
break;
}
}
cs_readunlock(__func__, &gbox_cards_lock);
return ret;
}
static uint8_t got_from_backup(uint32_t caprovid, uint16_t id_peer, uint8_t slot, struct gbox_peer *origin_peer)
{
uint8_t ret = 0;
struct gbox_card *card;
cs_writelock(__func__, &gbox_cards_lock);
LL_ITER it = ll_iter_create(gbox_backup_cards);
while((card = ll_iter_next(&it)))
{
if (card->caprovid == caprovid && card->id.peer == id_peer && card->id.slot == slot)
{
cs_log_dbg(D_READER, "backup card from peer: %04X %08X", card->id.peer, card->caprovid );
ll_remove(gbox_backup_cards, card);
card->origin_peer = origin_peer;
ll_append(gbox_cards, card);
update_checkcode(card);
ret = 1;
break;
}
}
cs_writeunlock(__func__, &gbox_cards_lock);
return ret;
}
void gbox_add_card(uint16_t id_peer, uint32_t caprovid, uint8_t slot, uint8_t level, uint8_t distance, uint8_t type, struct gbox_peer *origin_peer)
{
uint16_t caid = gbox_get_caid(caprovid);
uint32_t provid = gbox_get_provid(caprovid);
if(!caprovid) //skip caprov 00000000
{ return; }
//don't insert 0100:000000
if(caid_is_seca(caid) && (!provid))
{ return; }
//skip CAID 18XX providers
if(caid_is_nagra(caid) && (provid))
{ return; }
if (!closer_path_known(caprovid, id_peer, slot, distance) && !got_from_backup(caprovid, id_peer, slot, origin_peer))
{
struct gbox_card *card;
if(!cs_malloc(&card, sizeof(struct gbox_card)))
{
cs_log("Card allocation failed");
return;
}
cs_log_dbg(D_READER, "new card from peer: %04X %08X", id_peer, caprovid);
card->caprovid = caprovid;
card->id.peer = id_peer;
card->id.slot = slot;
card->dist = distance;
card->lvl = level;
card->badsids = ll_create("badsids");
card->goodsids = ll_create("goodsids");
card->no_cws_returned = 0;
card->average_cw_time = 0;
card->type = type;
card->origin_peer = origin_peer;
cs_writelock(__func__, &gbox_cards_lock);
ll_append(gbox_cards, card);
update_checkcode(card);
cs_writeunlock(__func__, &gbox_cards_lock);
}
return;
}
uchar *gbox_get_checkcode(void)
{
return &checkcode[0];
}
uint16_t gbox_count_cards(void)
{
return ll_count(gbox_cards);
}
uint16_t gbox_count_peer_cards(uint16_t peer_id)
{
uint16_t counter = 0;
struct gbox_card *card;
cs_readlock(__func__, &gbox_cards_lock);
LL_ITER it = ll_iter_create(gbox_cards);
while((card = ll_iter_next(&it)))
{
if (card->origin_peer && card->origin_peer->gbox.id == peer_id)
{ counter++; }
}
cs_readunlock(__func__, &gbox_cards_lock);
return counter;
}
void gbox_delete_cards(uint8_t delete_type, uint16_t criteria)
{
struct gbox_card *card;
uint8_t found;
cs_writelock(__func__, &gbox_cards_lock);
LL_ITER it = ll_iter_create(gbox_cards);
while((card = ll_iter_next(&it)))
{
found = 0;
switch (delete_type)
{
case GBOX_DELETE_FROM_PEER:
if (card->origin_peer && card->origin_peer->gbox.id == criteria)
{ found = 1; }
break;
case GBOX_DELETE_WITH_ID:
if (card->id.peer == criteria)
{ found = 1; }
break;
case GBOX_DELETE_WITH_TYPE:
if (card->type == criteria)
{ found = 1; }
break;
default:
cs_log("Invalid delete type: %d in gbox_delete_cards", delete_type);
break;
}
if (found)
{
cs_log_dbg(D_READER, "remove card from peer: %04X %08X", card->id.peer, card->caprovid);
ll_remove(gbox_cards, card);
ll_append(gbox_backup_cards, card);
update_checkcode(card);
}
}
cs_writeunlock(__func__, &gbox_cards_lock);
return;
}
static void gbox_free_list(LLIST *card_list)
{
if(card_list)
{
cs_writelock(__func__, &gbox_cards_lock);
LL_ITER it = ll_iter_create(card_list);
struct gbox_card *card;
while((card = ll_iter_next_remove(&it)))
{ gbox_free_card(card); }
ll_destroy(&gbox_cards);
cs_writeunlock(__func__, &gbox_cards_lock);
}
return;
}
void gbox_free_cardlist(void)
{
gbox_free_list(gbox_cards);
gbox_free_list(gbox_backup_cards);
return;
}
void gbox_add_good_sid(uint16_t id_card, uint16_t caid, uint8_t slot, uint16_t sid_ok, uint32_t cw_time)
{
struct gbox_card *card = NULL;
struct gbox_good_srvid *srvid = NULL;
uint8_t factor = 0;
cs_writelock(__func__, &gbox_cards_lock);
LL_ITER it = ll_iter_create(gbox_cards);
while((card = ll_iter_next(&it)))
{
if(card->id.peer == id_card && gbox_get_caid(card->caprovid) == caid && card->id.slot == slot)
{
card->no_cws_returned++;
if (!card->no_cws_returned)
{ card->no_cws_returned = 10; } //wrap around
if (card->no_cws_returned < 10)
{ factor = card->no_cws_returned; }
else
{ factor = 10; }
card->average_cw_time = ((card->average_cw_time * (factor-1)) + cw_time) / factor;
LL_ITER it2 = ll_iter_create(card->goodsids);
while((srvid = ll_iter_next(&it2)))
{
if(srvid->srvid.sid == sid_ok)
{
srvid->last_cw_received = time(NULL);
cs_writeunlock(__func__, &gbox_cards_lock);
return; // sid_ok is already in the list of goodsids
}
}
if(!cs_malloc(&srvid, sizeof(struct gbox_good_srvid)))
{
cs_writeunlock(__func__, &gbox_cards_lock);
cs_log("Good SID allocation failed");
return;
}
srvid->srvid.sid = sid_ok;
srvid->srvid.provid_id = gbox_get_provid(card->caprovid);
srvid->last_cw_received = time(NULL);
cs_log_dbg(D_READER, "Adding good SID: %04X for CAID: %04X Provider: %04X on CardID: %04X", sid_ok, caid, gbox_get_provid(card->caprovid), id_card);
ll_append(card->goodsids, srvid);
break;
}
}//end of ll_iter_next
//return dist_c;
cs_writeunlock(__func__, &gbox_cards_lock);
return;
}
void gbox_remove_bad_sid(uint16_t id_peer, uint8_t id_slot, uint16_t sid)
{
struct gbox_card *card = NULL;
struct gbox_bad_srvid *srvid = NULL;
cs_writelock(__func__, &gbox_cards_lock);
LL_ITER it2 = ll_iter_create(gbox_cards);
while((card = ll_iter_next(&it2)))
{
if(card->id.peer == id_peer && card->id.slot == id_slot)
{
LL_ITER it3 = ll_iter_create(card->badsids);
while((srvid = ll_iter_next(&it3)))
{
if(srvid->srvid.sid == sid)
{
ll_iter_remove_data(&it3); // remove sid_ok from badsids
break;
}
}
}
}
cs_writeunlock(__func__, &gbox_cards_lock);
}
uint8_t gbox_next_free_slot(uint16_t id)
{
struct gbox_card *c;
uint8_t lastslot = 0;
cs_readlock(__func__, &gbox_cards_lock);
LL_ITER it = ll_iter_create(gbox_cards);
while((c = ll_iter_next(&it)))
{
if(id == c->id.peer && c->id.slot > lastslot)
{ lastslot = c->id.slot; }
}
cs_readunlock(__func__, &gbox_cards_lock);
return ++lastslot;
}
static int8_t is_already_pending(LLIST *pending_cards, uint16_t peer_id, uint8_t slot)
{
if (!pending_cards)
{ return -1; }
int8_t ret = 0;
struct gbox_card_id *current_id;
LL_LOCKITER *li = ll_li_create(pending_cards, 0);
while ((current_id = ll_li_next(li)))
{
if (current_id->peer == peer_id && current_id->slot == slot)
{
ret = 1;
break;
}
}
ll_li_destroy(li);
return ret;
}
uint8_t gbox_get_cards_for_ecm(uchar *send_buf_1, int32_t cont_1, uint8_t max_cards, ECM_REQUEST *er, uint32_t *current_avg_card_time, uint16_t peer_id)
{
if (!send_buf_1 || !er)
{ return 0; }
uint8_t cont_card_1 = 0;
struct gbox_good_srvid *srvid_good = NULL;
struct gbox_bad_srvid *srvid_bad = NULL;
uint8_t enough = 0;
uint8_t sid_verified = 0;
time_t time_since_lastcw;
//loop over good only
cs_readlock(__func__, &gbox_cards_lock);
LL_ITER it = ll_iter_create(gbox_cards);
LL_ITER it2;
struct gbox_card *card;
while((card = ll_iter_next(&it)))
{
if(card->origin_peer && card->origin_peer->gbox.id == peer_id && card->type == GBOX_CARD_TYPE_GBOX &&
gbox_get_caid(card->caprovid) == er->caid && gbox_get_provid(card->caprovid) == er->prid && !is_already_pending(er->gbox_cards_pending, card->id.peer, card->id.slot))
{
sid_verified = 0;
//check if sid is good
it2 = ll_iter_create(card->goodsids);
while((srvid_good = ll_iter_next(&it2)))
{
if(srvid_good->srvid.provid_id == er->prid && srvid_good->srvid.sid == er->srvid)
{
if (!enough || *current_avg_card_time > card->average_cw_time)
{
time_since_lastcw = llabs(srvid_good->last_cw_received - time(NULL));
*current_avg_card_time = card->average_cw_time;
if (enough)
{ cont_1 = cont_1 - 3; }
else
{
cont_card_1++;
if (time_since_lastcw < GBOX_SID_CONFIRM_TIME && er->gbox_ecm_status == GBOX_ECM_NOT_ASKED)
{ enough = 1; }
}
i2b_buf(2, card->id.peer, send_buf_1 + cont_1);
send_buf_1[cont_1 + 2] = card->id.slot;
cont_1 = cont_1 + 3;
sid_verified = 1;
break;
}
}
}
if(cont_card_1 == max_cards)
{ break; }
}
}
cs_readunlock(__func__, &gbox_cards_lock);
//loop over bad and unknown cards
cs_writelock(__func__, &gbox_cards_lock);
it = ll_iter_create(gbox_cards);
while((card = ll_iter_next(&it)))
{
if(card->origin_peer && card->origin_peer->gbox.id == peer_id && card->type == GBOX_CARD_TYPE_GBOX &&
gbox_get_caid(card->caprovid) == er->caid && gbox_get_provid(card->caprovid) == er->prid && !is_already_pending(er->gbox_cards_pending, card->id.peer, card->id.slot) && !enough)
{
sid_verified = 0;
//check if sid is good
it2 = ll_iter_create(card->goodsids);
while((srvid_good = ll_iter_next(&it2)))
{
if(srvid_good->srvid.provid_id == er->prid && srvid_good->srvid.sid == er->srvid)
{
sid_verified = 1;
cs_log_dbg(D_READER, "ID: %04X SL: %02X SID: %04X is good", card->id.peer, card->id.slot, srvid_good->srvid.sid);
}
}
if(!sid_verified)
{
//check if sid is bad
LL_ITER itt = ll_iter_create(card->badsids);
while((srvid_bad = ll_iter_next(&itt)))
{
if(srvid_bad->srvid.provid_id == er->prid && srvid_bad->srvid.sid == er->srvid)
{
if (srvid_bad->bad_strikes < 3)
{
sid_verified = 2;
srvid_bad->bad_strikes++;
}
else
{ sid_verified = 1; }
cs_log_dbg(D_READER, "ID: %04X SL: %02X SID: %04X is bad %d", card->id.peer, card->id.slot, srvid_bad->srvid.sid, srvid_bad->bad_strikes);
break;
}
}
//sid is neither good nor bad
if(sid_verified != 1)
{
i2b_buf(2, card->id.peer, send_buf_1 + cont_1);
send_buf_1[cont_1 + 2] = card->id.slot;
cont_1 = cont_1 + 3;
cont_card_1++;
if (!sid_verified)
{
if(!cs_malloc(&srvid_bad, sizeof(struct gbox_bad_srvid)))
{
cs_log("ServID allocation failed");
cs_writeunlock(__func__, &gbox_cards_lock);
return 0;
}
srvid_bad->srvid.sid = er->srvid;
srvid_bad->srvid.provid_id = gbox_get_provid(card->caprovid);
srvid_bad->bad_strikes = 1;
ll_append(card->badsids, srvid_bad);
cs_log_dbg(D_READER, "ID: %04X SL: %02X SID: %04X is not checked", card->id.peer, card->id.slot, srvid_bad->srvid.sid);
}
}
}
if(cont_card_1 == max_cards)
{ break; }
}
}
cs_writeunlock(__func__, &gbox_cards_lock);
return cont_card_1;
}
#endif