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| author | Roger Dingledine <arma@torproject.org> | 2006-07-30 04:32:58 +0000 |
|---|---|---|
| committer | Roger Dingledine <arma@torproject.org> | 2006-07-30 04:32:58 +0000 |
| commit | 2bcb081cb1d788b46d5ce86e085549fe5b1d3b81 (patch) | |
| tree | 922cae7e61679bef19f388ee34c3001872966364 /src/or/command.c | |
| parent | 7498d31b0981b4c0175dca0f7d3aa5e008725cbd (diff) | |
| download | tor-2bcb081cb1d788b46d5ce86e085549fe5b1d3b81.tar.gz tor-2bcb081cb1d788b46d5ce86e085549fe5b1d3b81.zip | |
defense in depth
svn:r6939
Diffstat (limited to 'src/or/command.c')
| -rw-r--r-- | src/or/command.c | 10 |
1 files changed, 10 insertions, 0 deletions
diff --git a/src/or/command.c b/src/or/command.c index 9e3e529737..f508ab2545 100644 --- a/src/or/command.c +++ b/src/or/command.c @@ -173,6 +173,16 @@ command_process_create_cell(cell_t *cell, or_connection_t *conn) return; } + if (!server_mode(get_options())) { + log_fn(LOG_PROTOCOL_WARN, LD_PROTOCOL, + "Received create cell (type %d) from %s:%d, but we're a client. " + "Sending back a destroy.", + (int)cell->command, conn->_base.address, conn->_base.port); + connection_or_send_destroy(cell->circ_id, conn, + END_CIRC_REASON_TORPROTOCOL); + return; + } + /* If the high bit of the circuit ID is not as expected, close the * circ. */ id_is_high = cell->circ_id & (1<<15); |