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stop a potential overflow (pointed out by ilja)

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svn:r3681
This commit is contained in:
Roger Dingledine 2005-02-24 10:22:00 +00:00
parent 043fd5666f
commit 8054f82992
1 changed files with 3 additions and 1 deletions
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4
src/or/relay.c
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@ -436,8 +436,10 @@ int connection_edge_send_command(connection_t *fromconn, circuit_t *circ,
rh.stream_id = fromconn->stream_id; /* else it's 0 */ rh.stream_id = fromconn->stream_id; /* else it's 0 */
rh.length = payload_len; rh.length = payload_len;
relay_header_pack(cell.payload, &rh); relay_header_pack(cell.payload, &rh);
if (payload_len) if (payload_len) {
tor_assert(payload_len <= RELAY_PAYLOAD_SIZE);
memcpy(cell.payload+RELAY_HEADER_SIZE, payload, payload_len); memcpy(cell.payload+RELAY_HEADER_SIZE, payload, payload_len);
}
log_fn(LOG_DEBUG,"delivering %d cell %s.", relay_command, log_fn(LOG_DEBUG,"delivering %d cell %s.", relay_command,
cell_direction == CELL_DIRECTION_OUT ? "forward" : "backward"); cell_direction == CELL_DIRECTION_OUT ? "forward" : "backward");