Core/Calendar: Sanitize calendar event parameters

Prevent events added in the past which in some conditions would cause an infinite loop in the client.
This commit is contained in:
jackpoz
2014-06-08 17:33:17 +02:00
parent 927f16de49
commit fc7062049f

View File

@@ -235,6 +235,14 @@ void WorldSession::HandleCalendarAddEvent(WorldPacket& recvData)
recvData.ReadPackedTime(unkPackedTime);
recvData >> flags;
// prevent events in the past
// To Do: properly handle timezones and remove the "- time_t(86400L)" hack
if (time_t(eventPackedTime) < (time(NULL) - time_t(86400L)))
{
recvData.rfinish();
return;
}
CalendarEvent* calendarEvent = new CalendarEvent(sCalendarMgr->GetFreeEventId(), guid, 0, CalendarEventType(type), dungeonId,
time_t(eventPackedTime), flags, time_t(unkPackedTime), title, description);
@@ -304,6 +312,14 @@ void WorldSession::HandleCalendarUpdateEvent(WorldPacket& recvData)
recvData.ReadPackedTime(timeZoneTime);
recvData >> flags;
// prevent events in the past
// To Do: properly handle timezones and remove the "- time_t(86400L)" hack
if (time_t(eventPackedTime) < (time(NULL) - time_t(86400L)))
{
recvData.rfinish();
return;
}
TC_LOG_DEBUG("network", "CMSG_CALENDAR_UPDATE_EVENT [" UI64FMTD "] EventId [" UI64FMTD
"], InviteId [" UI64FMTD "] Title %s, Description %s, type %u "
"Repeatable %u, MaxInvites %u, Dungeon ID %d, Time %u "
@@ -346,17 +362,25 @@ void WorldSession::HandleCalendarCopyEvent(WorldPacket& recvData)
uint64 guid = _player->GetGUID();
uint64 eventId;
uint64 inviteId;
uint32 time;
uint32 eventTime;
recvData >> eventId >> inviteId;
recvData.ReadPackedTime(time);
recvData.ReadPackedTime(eventTime);
TC_LOG_DEBUG("network", "CMSG_CALENDAR_COPY_EVENT [" UI64FMTD "], EventId [" UI64FMTD
"] inviteId [" UI64FMTD "] Time: %u", guid, eventId, inviteId, time);
"] inviteId [" UI64FMTD "] Time: %u", guid, eventId, inviteId, eventTime);
// prevent events in the past
// To Do: properly handle timezones and remove the "- time_t(86400L)" hack
if (time_t(eventTime) < (time(NULL) - time_t(86400L)))
{
recvData.rfinish();
return;
}
if (CalendarEvent* oldEvent = sCalendarMgr->GetEvent(eventId))
{
CalendarEvent* newEvent = new CalendarEvent(*oldEvent, sCalendarMgr->GetFreeEventId());
newEvent->SetEventTime(time_t(time));
newEvent->SetEventTime(time_t(eventTime));
sCalendarMgr->AddEvent(newEvent, CALENDAR_SENDTYPE_COPY);
CalendarInviteStore invites = sCalendarMgr->GetEventInvites(eventId);