static char *find_external(char *const name, t_bsh *const bsh)
{
char *external;
external = get_path_table(&bsh->hashtable, name);
if (external != NULL)
{
if ((external = ft_strdup(external)) == NULL)
ft_putstr_fd("42sh: allocation error\n", 2);
}
else
external = sh_path_search(&bsh->env, name);
if (external && bsh && add_hash_table(&bsh->hashtable, name, external))
ft_dprintf(STDERR_FILENO, "42sh: failed to add %s to hashtable\n",
external);
return (external);
}
static void cacheex_add_hitcache(struct s_client *cl, ECM_REQUEST *er)
{
if (!cfg.max_hitcache_time) // we don't want check/save hitcache
return;
if (!cfg.cacheex_wait_timetab.cevnum)
return;
uint32_t cacheex_wait_time = get_cacheex_wait_time(er,NULL);
if (!cacheex_wait_time)
return;
CACHE_HIT *result;
HIT_KEY search;
memset(&search, 0, sizeof(HIT_KEY));
search.caid = er->caid;
search.prid = er->prid;
search.srvid = er->srvid;
SAFE_RWLOCK_WRLOCK(&hitcache_lock);
result = find_hash_table(&ht_hitcache, &search, sizeof(HIT_KEY), &cacheex_compare_hitkey);
if(!result) // not found, add it!
{
if(cs_malloc(&result, sizeof(CACHE_HIT)))
{
memset(result, 0, sizeof(CACHE_HIT));
result->key.caid = er->caid;
result->key.prid = er->prid;
result->key.srvid = er->srvid;
cs_ftime(&result->max_hitcache_time);
add_hash_table(&ht_hitcache, &result->ht_node, &ll_hitcache, &result->ll_node, result, &result->key, sizeof(HIT_KEY));
}
}
if(result)
{
if(cl)
{
result->grp |= cl->grp;
result->grp_last_max_hitcache_time |= cl->grp;
}
cs_ftime(&result->time); //always update time;
}
SAFE_RWLOCK_UNLOCK(&hitcache_lock);
}
void add_hitcache(struct s_client *cl, ECM_REQUEST *er) {
if (!cfg.max_hitcache_time) //we don't want check/save hitcache
return;
if (!cfg.cacheex_wait_timetab.n)
return;
uint32_t cacheex_wait_time = get_cacheex_wait_time(er,NULL);
if (!cacheex_wait_time)
return;
CACHE_HIT *result;
HIT_KEY search;
memset(&search, 0, sizeof(HIT_KEY));
search.caid = er->caid;
search.prid = er->prid;
search.srvid = er->srvid;
pthread_rwlock_wrlock(&hitcache_lock);
result = find_hash_table(&ht_hitcache, &search, sizeof(HIT_KEY), &compare_hitkey);
if(!result){ //not found, add it!
if(cs_malloc(&result, sizeof(CACHE_HIT))){
memset(result, 0, sizeof(CACHE_HIT));
result->key.caid = er->caid;
result->key.prid = er->prid;
result->key.srvid = er->srvid;
add_hash_table(&ht_hitcache, &result->ht_node, &ll_hitcache, &result->ll_node, result, &result->key, sizeof(HIT_KEY));
}
}
if(result){
if(cl) result->grp |= cl->grp;
cs_ftime(&result->time); //always update time;
}
pthread_rwlock_unlock(&hitcache_lock);
}
void add_cache(ECM_REQUEST *er){
if(!er->csp_hash) return;
ECMHASH *result = NULL;
CW *cw = NULL;
#ifdef CS_CACHEEX
bool add_new_cw=false;
#endif
pthread_rwlock_wrlock(&cache_lock);
//add csp_hash to cache
result = find_hash_table(&ht_cache, &er->csp_hash, sizeof(int32_t), &compare_csp_hash);
if(!result){
if(cs_malloc(&result, sizeof(ECMHASH))){
result->csp_hash = er->csp_hash;
init_hash_table(&result->ht_cw, &result->ll_cw);
cs_ftime(&result->first_recv_time);
add_hash_table(&ht_cache, &result->ht_node, &ll_cache, &result->ll_node, result, &result->csp_hash, sizeof(int32_t));
}else{
pthread_rwlock_unlock(&cache_lock);
cs_log("ERROR: NO added HASH to cache!!");
return;
}
}
cs_ftime(&result->upd_time); //need to be updated at each cw! We use it for deleting this hash when no more cws arrive inside max_cache_time!
//add cw to this csp hash
cw = find_hash_table(&result->ht_cw, er->cw, sizeof(er->cw), &compare_cw);
if(!cw){
if(count_hash_table(&result->ht_cw)>=10){ //max 10 different cws stored
pthread_rwlock_unlock(&cache_lock);
return;
}
while(1){
if(cs_malloc(&cw, sizeof(CW))){
memcpy(cw->cw, er->cw, sizeof(er->cw));
cw->odd_even = get_odd_even(er);
cw->cwc_cycletime = er->cwc_cycletime;
cw->cwc_next_cw_cycle = er->cwc_next_cw_cycle;
cw->count= 0;
cw->csp = 0;
cw->cacheex = 0;
cw->localcards=0;
cw->proxy=0;
cw->grp = 0;
cw->caid = er->caid;
cw->prid = er->prid;
cw->srvid = er->srvid;
cw->selected_reader=er->selected_reader;
#ifdef CS_CACHEEX
cw->cacheex_src=er->cacheex_src;
#endif
cw->pushout_client = NULL;
while(1){
if (pthread_rwlock_init(&cw->pushout_client_lock, NULL) == 0)
break;
cs_log("Error creating lock pushout_client_lock!");
cs_sleepms(1);
}
add_hash_table(&result->ht_cw, &cw->ht_node, &result->ll_cw, &cw->ll_node, cw, cw->cw, sizeof(er->cw));
#ifdef CS_CACHEEX
add_new_cw=true;
#endif
break;
}
cs_log("ERROR: NO added CW to cache!! Re-trying...");
cs_sleepms(1);
}
}
//update if answered from csp/cacheex/local_proxy
if(er->from_cacheex) cw->cacheex = 1;
if(er->from_csp) cw->csp = 1;
#ifdef CS_CACHEEX
if(!er->cacheex_src){
#endif
if(is_localreader(er->selected_reader, er)) cw->localcards=1;
else cw->proxy = 1;
#ifdef CS_CACHEEX
}
#endif
//always update group and counter
cw->grp |= er->grp;
cw->count++;
//sort cw_list by counter (DESC order)
if(cw->count>1)
sort_list(&result->ll_cw, count_sort);
pthread_rwlock_unlock(&cache_lock);
#ifdef CS_CACHEEX
er->cw_cache=cw;
cacheex_cache_push(er);
//cacheex debug log lines and cw diff stuff
if(check_client(er->cacheex_src)){
if(add_new_cw){
debug_ecm(D_CACHEEX|D_CSP, "got pushed ECM %s from %s", buf, er->from_csp ? "csp" : username(er->cacheex_src));
CW *cw_first = get_first_cw(result, er);
if(er && cw_first){
//compare er cw with mostly counted cached cw
if(memcmp(er->cw, cw_first->cw, sizeof(er->cw)) != 0) {
er->cacheex_src->cwcacheexerrcw++;
if (er->cacheex_src->account)
er->cacheex_src->account->cwcacheexerrcw++;
if (((0x0200| 0x0800) & cs_dblevel)) { //avoid useless operations if debug is not enabled
char cw1[16*3+2], cw2[16*3+2];
cs_hexdump(0, er->cw, 16, cw1, sizeof(cw1));
cs_hexdump(0, cw_first->cw, 16, cw2, sizeof(cw2));
char ip1[20]="", ip2[20]="";
if (check_client(er->cacheex_src))
cs_strncpy(ip1, cs_inet_ntoa(er->cacheex_src->ip), sizeof(ip1));
if (check_client(cw_first->cacheex_src))
cs_strncpy(ip2, cs_inet_ntoa(cw_first->cacheex_src->ip), sizeof(ip2));
else if (cw_first->selected_reader && check_client(cw_first->selected_reader->client))
cs_strncpy(ip2, cs_inet_ntoa(cw_first->selected_reader->client->ip), sizeof(ip2));
debug_ecm(D_CACHEEX| D_CSP, "WARNING: Different CWs %s from %s(%s)<>%s(%s): %s<>%s ", buf,
er->from_csp ? "csp" : username(er->cacheex_src), ip1,
check_client(cw_first->cacheex_src)?username(cw_first->cacheex_src):(cw_first->selected_reader?cw_first->selected_reader->label:"unknown/csp"), ip2,
cw1, cw2);
}
}
}
}else
debug_ecm(D_CACHEEX| D_CSP, "got duplicate pushed ECM %s from %s", buf, er->from_csp ? "csp" : username(er->cacheex_src));
}
#endif
}
