diff options
Diffstat (limited to 'src/or/relay.c')
| -rw-r--r-- | src/or/relay.c | 17 |
1 files changed, 17 insertions, 0 deletions
diff --git a/src/or/relay.c b/src/or/relay.c index 5f7fcd8b7c..a17c333310 100644 --- a/src/or/relay.c +++ b/src/or/relay.c @@ -1046,6 +1046,23 @@ connection_edge_process_relay_cell(cell_t *cell, circuit_t *circ, return - END_CIRC_REASON_TORPROTOCOL; } + if (rh.stream_id == 0) { + switch (rh.command) { + case RELAY_COMMAND_BEGIN: + case RELAY_COMMAND_CONNECTED: + case RELAY_COMMAND_DATA: + case RELAY_COMMAND_END: + case RELAY_COMMAND_RESOLVE: + case RELAY_COMMAND_RESOLVED: + case RELAY_COMMAND_BEGIN_DIR: + log_fn(LOG_PROTOCOL_WARN, LD_PROTOCOL, "Relay command %d with zero " + "stream_id. Dropping.", (int)rh.command); + return 0; + default: + ; + } + } + /* either conn is NULL, in which case we've got a control cell, or else * conn points to the recognized stream. */ |