[tor-commits] [tor/master] Fix segfault in HSPOST command introduce with feature #3523

[nickm at torproject.org]

commit 4fc21e8dbcd31bf87e18ae45c530fbfc6a5bfc98
Author: Donncha O'Cearbhaill <donncha at donncha.is>
Date:   Fri May 8 09:50:13 2015 +0100

    Fix segfault in HSPOST command introduce with feature #3523
    
    Checking if node->rs->is_hs_dir when the router_status for the node does
    not exist results in a segfault. This bug is not in any released Tor.
---
 src/or/control.c |    2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/or/control.c b/src/or/control.c
index 780dea5..d4e106e 100644
--- a/src/or/control.c
+++ b/src/or/control.c
@@ -3452,7 +3452,7 @@ handle_control_hspost(control_connection_t *conn,
         const char *server = arg + strlen(opt_server);
         const node_t *node = node_get_by_hex_id(server);
 
-        if (!node) {
+        if (!node || !node->rs) {
           connection_printf_to_buf(conn, "552 Server \"%s\" not found\r\n",
                                    server);
           goto done;