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Fix a few bugs in sending and receiving DNS results

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svn:r864
This commit is contained in:
Nick Mathewson 2003-11-23 18:16:06 +00:00
parent 1155ae9b03
commit c52ee5e2af
1 changed files with 8 additions and 3 deletions
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11
src/or/connection_edge.c
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@ -253,7 +253,7 @@ int connection_edge_process_relay_cell(cell_t *cell, circuit_t *circ, connection
* we try a new exit node.
* cell->payload+RELAY_HEADER_SIZE+1 holds the destination addr.
*/
addr = ntohl(*cell->payload+RELAY_HEADER_SIZE+1);
addr = ntohl(*(uint32_t*)(cell->payload+RELAY_HEADER_SIZE+1));
client_dns_set_entry(conn->socks_request->address, addr);
conn->state = AP_CONN_STATE_CIRCUIT_WAIT;
if(connection_ap_handshake_attach_circuit(conn) < 0)
@ -328,7 +328,7 @@ int connection_edge_process_relay_cell(cell_t *cell, circuit_t *circ, connection
}
log_fn(LOG_INFO,"Connected! Notifying application.");
if (cell->length-RELAY_HEADER_SIZE == 4) {
addr = htonl(*(uint32_t*)(cell->payload + RELAY_HEADER_SIZE));
addr = ntohl(*(uint32_t*)(cell->payload + RELAY_HEADER_SIZE));
client_dns_set_entry(conn->socks_request->address, addr);
}
if(connection_ap_handshake_socks_reply(conn, NULL, 0, 1) < 0) {
@ -365,6 +365,7 @@ int connection_edge_process_relay_cell(cell_t *cell, circuit_t *circ, connection
}
int connection_edge_finished_flushing(connection_t *conn) {
unsigned char connected_payload[4];
int e, len=sizeof(e);
assert(conn);
@ -392,6 +393,7 @@ int connection_edge_finished_flushing(connection_t *conn) {
if(connection_wants_to_flush(conn)) /* in case there are any queued relay cells */
connection_start_writing(conn);
/* deliver a 'connected' relay cell back through the circuit. */
*(uint32_t*)connected_payload = htonl(conn->addr);
if(connection_edge_send_command(conn, circuit_get_by_conn(conn),
RELAY_COMMAND_CONNECTED, NULL, 0, conn->cpath_layer) < 0)
return 0; /* circuit is closed, don't continue */
@ -592,6 +594,7 @@ static int connection_ap_handshake_attach_circuit(connection_t *conn) {
/* add it into the linked list of streams on this circuit */
log_fn(LOG_DEBUG,"attaching new conn to circ. n_circ_id %d.", circ->n_circ_id);
conn->next_stream = circ->p_streams;
/* assert_connection_ok(conn, time(NULL)); */
circ->p_streams = conn;
assert(circ->cpath && circ->cpath->prev);
@ -879,7 +882,9 @@ static void client_dns_set_entry(const char *address, uint32_t val)
now = time(NULL);
ent = SPLAY_FIND(client_dns_tree, &client_dns_root, &search);
if (ent) {
log_fn(LOG_DEBUG, "Updating entry for address %s", address);
in.s_addr = htonl(val);
log_fn(LOG_DEBUG, "Updating entry for address %s: %s", address,
inet_ntoa(in));
ent->addr = val;
ent->expires = now+MAX_DNS_ENTRY_AGE;
} else {