Commit 99db996a authored by Roger Dingledine's avatar Roger Dingledine
Browse files

stop segfault when choose_good_exit_server returns NULL


svn:r879
parent 5a894a15
......@@ -386,14 +386,18 @@ cpath_build_state_t *onion_new_cpath_build_state(void) {
directory_t *dir;
int r;
cpath_build_state_t *info;
routerinfo_t *exit;
router_get_directory(&dir);
r = new_route_len(options.PathlenCoinWeight, dir->routers, dir->n_routers);
if (r < 0)
return NULL;
exit = choose_good_exit_server(dir);
if(!exit)
return NULL;
info = tor_malloc(sizeof(cpath_build_state_t));
info->desired_path_len = r;
info->chosen_exit = tor_strdup(choose_good_exit_server(dir)->nickname);
info->chosen_exit = tor_strdup(exit->nickname);
return info;
}
......
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