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Make ACI anti-collision logic work; make sure that cells are filled with 0s.
svn:r176
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parent
1c8279ca39
commit
e3368a65a9
@ -113,10 +113,10 @@ try_again:
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crypto_pseudo_rand(2, (unsigned char *)&test_aci);
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if(aci_type == ACI_TYPE_LOWER && test_aci >= (2<<15))
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test_aci -= (2<<15);
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if(aci_type == ACI_TYPE_HIGHER && test_aci < (2<<15))
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test_aci += (2<<15);
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if(aci_type == ACI_TYPE_LOWER && test_aci >= (1<<15))
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test_aci -= (1<<15);
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if(aci_type == ACI_TYPE_HIGHER && test_aci < (1<<15))
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test_aci += (1<<15);
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/* if aci_type == ACI_BOTH, don't filter any of it */
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if(test_aci == 0)
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@ -489,6 +489,7 @@ int circuit_consider_sending_sendme(circuit_t *circ, int edge_type) {
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assert(circ);
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memset(&sendme, 0, sizeof(cell_t));
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sendme.command = CELL_SENDME;
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sendme.length = CIRCWINDOW_INCREMENT;
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@ -479,6 +479,8 @@ void connection_send_cell(connection_t *conn) {
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connection_write_cell_to_buf(&cell, conn);
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}
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/* ???? If we might not have added a cell above, why are we
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* ???? increasing outbuf_flushlen? -NM */
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conn->outbuf_flushlen += sizeof(cell_t); /* instruct it to send a cell */
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connection_start_writing(conn);
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@ -512,6 +514,7 @@ int connection_send_destroy(aci_t aci, connection_t *conn) {
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return 0;
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}
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memset(&cell, 0, sizeof(cell_t));
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cell.aci = aci;
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cell.command = CELL_DESTROY;
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log(LOG_INFO,"connection_send_destroy(): Sending destroy (aci %d).",aci);
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@ -606,6 +609,9 @@ repeat_connection_package_raw_inbuf:
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if(!amount_to_process)
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return 0;
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/* Initialize the cell with 0's */
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memset(&cell, 0, sizeof(cell_t));
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if(amount_to_process > CELL_PAYLOAD_SIZE - TOPIC_HEADER_SIZE) {
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cell.length = CELL_PAYLOAD_SIZE - TOPIC_HEADER_SIZE;
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} else {
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@ -679,6 +685,7 @@ int connection_consider_sending_sendme(connection_t *conn, int edge_type) {
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return 0;
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}
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memset(&cell, 0, sizeof(cell_t));
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*(uint16_t *)(cell.payload+2) = htons(conn->topic_id);
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*cell.payload = TOPIC_COMMAND_SENDME;
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cell.length += TOPIC_HEADER_SIZE;
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@ -314,6 +314,8 @@ int ap_handshake_send_onion(connection_t *ap_conn, connection_t *n_conn, circuit
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} else { /* last cell */
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cell.length = dataleft;
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memcpy(cell.payload, tmpbuf + tmpbuflen - dataleft, dataleft);
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/* fill extra space with 0 bytes */
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memset(cell.payload + dataleft, 0, CELL_PAYLOAD_SIZE - dataleft);
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connection_write_cell_to_buf(&cell, n_conn);
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dataleft = 0;
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}
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@ -342,7 +342,7 @@ int prepare_for_poll(int *timeout) {
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/* either a full router, or we've got a circuit. send a padding cell. */
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// log(LOG_DEBUG,"prepare_for_poll(): Sending keepalive to (%s:%d)",
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// tmpconn->address, tmpconn->port);
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// memset(&cell,0,sizeof(cell_t));
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memset(&cell,0,sizeof(cell_t));
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cell.command = CELL_PADDING;
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if(connection_write_cell_to_buf(&cell, tmpconn) < 0)
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tmpconn->marked_for_close = 1;
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