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authorNick Mathewson <nickm@torproject.org>2012-05-07 15:22:17 -0400
committerNick Mathewson <nickm@torproject.org>2012-05-15 10:03:10 -0400
commitf2a6eedded9d4dc3c854c1e3091d1f6278ac6e7f (patch)
tree2194e4ba1b85ee34309faeca594b85d8acbb74d5 /src/or/control.c
parentf6afd4efa6c24fab8ace710fc0eac4c8811b93dd (diff)
downloadtor-f2a6eedded9d4dc3c854c1e3091d1f6278ac6e7f.tar
tor-f2a6eedded9d4dc3c854c1e3091d1f6278ac6e7f.tar.gz
Fix a crash bug on SETCIRCUITPURPOSE.
Diffstat (limited to 'src/or/control.c')
-rw-r--r--src/or/control.c4
1 files changed, 4 insertions, 0 deletions
diff --git a/src/or/control.c b/src/or/control.c
index ddfc80e8f..b41b29106 100644
--- a/src/or/control.c
+++ b/src/or/control.c
@@ -2389,6 +2389,10 @@ handle_control_setcircuitpurpose(control_connection_t *conn,
{
const char *purp = find_element_starting_with(args,1,"PURPOSE=");
+ if (!purp) {
+ connection_write_str_to_buf("552 No purpose given\r\n", conn);
+ goto done;
+ }
new_purpose = circuit_purpose_from_string(purp);
if (new_purpose == CIRCUIT_PURPOSE_UNKNOWN) {
connection_printf_to_buf(conn, "552 Unknown purpose \"%s\"\r\n", purp);