void *dnsbl_table_search(struct ci_lookup_table *table, void *key, void ***vals)
{
char dnsname[CI_MAXHOSTNAMELEN + 1];
char *server;
ci_str_vector_t *v;
struct dnsbl_data *dnsbl_data = table->data;
if(table->key_ops != &ci_str_ops) {
ci_debug_printf(1,"Only keys of type string allowed in this type of table:\n");
return NULL;
}
server = (char *)key;
if (dnsbl_data->cache && ci_cache_search(dnsbl_data->cache, server, (void **)&v, table->allocator)) {
ci_debug_printf(6,"dnsbl_table_search: cache hit for %s value %p\n", server, v);
if (!v) {
*vals = NULL;
return NULL;
}
*vals = (void **)ci_vector_cast_to_voidvoid(v);
return key;
}
snprintf(dnsname, CI_MAXHOSTNAMELEN, "%s.%s", server, dnsbl_data->check_domain);
dnsname[CI_MAXHOSTNAMELEN] = '\0';
v = resolv_hostname(dnsname);
if (dnsbl_data->cache)
ci_cache_update(dnsbl_data->cache, server, v);
if (!v)
return NULL;
*vals = (void **)ci_vector_cast_to_voidvoid(v);
return key;
}
int open_connection_to( const char *remote_name, int remote_port ){
int fd;
struct sockaddr_in serv_addr;
if( (fd = socket( AF_INET, SOCK_STREAM, IPPROTO_TCP )) < 0 ){
perror( "ERROR opening socket" );
return 0;
}
serv_addr.sin_family = AF_INET;
serv_addr.sin_port = htons( remote_port );
if( resolv_hostname( remote_name, &serv_addr ) == -1 ){
return 0;
}
if( connect( fd, (struct sockaddr *)&serv_addr, sizeof( serv_addr )) == -1 ){
perror( "ERROR connecting" );
return 0;
}
return fd;
}
