diff options
| author | Corey Farrell <git@cfware.com> | 2018-01-08 19:47:38 -0500 |
|---|---|---|
| committer | Corey Farrell <git@cfware.com> | 2018-01-08 18:58:33 -0600 |
| commit | c67eb7031b3a58ff5ce472eee9519b566a222e41 (patch) | |
| tree | 9095a7ab1c09d77c17fbf1202a59db0aebd8a539 | |
| parent | 7cc614d22363398747bd2c1aa81d3422cf2d07c5 (diff) | |
app_confbridge: Fix NULL check in action_kick_last.
The check for last_user == NULL needs to happen before we dereference
the variable, previously it was possible for us to check flags of a NULL
last_user.
Change-Id: I274f737aa8af9d2d53e4a78cdd7ad57561003945
| -rw-r--r-- | apps/app_confbridge.c | 12 |
1 files changed, 9 insertions, 3 deletions
diff --git a/apps/app_confbridge.c b/apps/app_confbridge.c index ae3df7208..e99311d54 100644 --- a/apps/app_confbridge.c +++ b/apps/app_confbridge.c @@ -2666,17 +2666,23 @@ static int action_kick_last(struct confbridge_conference *conference, } ao2_lock(conference); - if (((last_user = AST_LIST_LAST(&conference->active_list)) == user) - || (ast_test_flag(&last_user->u_profile, USER_OPT_ADMIN))) { + last_user = AST_LIST_LAST(&conference->active_list); + if (!last_user) { + ao2_unlock(conference); + return 0; + } + + if (last_user == user || ast_test_flag(&last_user->u_profile, USER_OPT_ADMIN)) { ao2_unlock(conference); play_file(bridge_channel, NULL, conf_get_sound(CONF_SOUND_ERROR_MENU, conference->b_profile.sounds)); - } else if (last_user && !last_user->kicked) { + } else if (!last_user->kicked) { last_user->kicked = 1; pbx_builtin_setvar_helper(last_user->chan, "CONFBRIDGE_RESULT", "KICKED"); ast_bridge_remove(conference->bridge, last_user->chan); ao2_unlock(conference); } + return 0; } |