unsigned char digest1[20];
unsigned char digest2[20];
struct timeval start, end;
- int time_passed;
+ int time_passed;
assert(circ && circ->onion);
my_gettimeofday(&end);
- if (tv_udiff(&start, &end) > 1000) {/* more than 1ms */
+ time_passed = tv_udiff(&start, &end);
+ if (time_passed > 1000) {/* more than 1ms */
log(LOG_NOTICE,"circuit_init(): get_unique_aci just took %d us!",time_passed);
}
static int onion_process(circuit_t *circ);
static int onion_deliver_to_conn(aci_t aci, unsigned char *onion, uint32_t onionlen, connection_t *conn);
static int count_acceptable_routers(routerinfo_t **rarray, int rarray_len);
-static int find_tracked_onion(unsigned char *onion, uint32_t onionlen);
+static int find_tracked_onion(unsigned char *onion, uint32_t onionlen,
+ int expire);
int decide_aci_type(uint32_t local_addr, uint16_t local_port,
uint32_t remote_addr, uint16_t remote_port) {
}
/* check for replay. at the same time, add it to the pile of tracked onions. */
- if(find_tracked_onion(circ->onion, circ->onionlen)) {
+ if(find_tracked_onion(circ->onion, circ->onionlen, layer.expire)) {
log(LOG_NOTICE,"process_onion(): I have just received a replayed onion. This could be a replay attack.");
return -1;
}
/* see if this onion has been seen before. if so, return 1, else
* return 0 and add the sha1 of this onion to the tree.
*/
-static int find_tracked_onion(unsigned char *onion, uint32_t onionlen) {
+static int find_tracked_onion(unsigned char *onion, uint32_t onionlen,
+ int expire) {
static struct tracked_onion *head_tracked_onions = NULL; /* linked list of tracked onions */
static struct tracked_onion *tail_tracked_onions = NULL;
/* this is a new onion. add it to the list. */
- to->expire = ntohl(*(uint32_t *)(onion+7)); /* set the expiration date */
+ to->expire = expire; /* set the expiration date */
to->next = NULL;
if (!head_tracked_onions) {