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Add SUDO_EV_MASK to mask off invalid event values.

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Now used by sudo_ev_init() to avoid bogus events.
This commit is contained in:
Todd C. Miller
2020-03-12 14:00:15 -06:00
parent a23048bbb2
commit d83c09fb66
2 changed files with 5 additions and 3 deletions
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5
lib/util/event.c
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@@ -273,10 +273,9 @@ sudo_ev_init(struct sudo_event *ev, int fd, short events,
{
debug_decl(sudo_ev_init, SUDO_DEBUG_EVENT);
/* XXX - sanity check events value */
memset(ev, 0, sizeof(*ev));
ev->fd = fd;
ev->events = events;
ev->events = events & SUDO_EV_MASK;
ev->pfd_idx = -1;
ev->callback = callback;
ev->closure = closure;
@@ -842,7 +841,7 @@ sudo_ev_get_timeleft_v2(struct sudo_event *ev, struct timespec *ts)
int
sudo_ev_pending_v1(struct sudo_event *ev, short events, struct timespec *ts)
{
int ret = 0;
int ret;
debug_decl(sudo_ev_pending, SUDO_DEBUG_EVENT);
sudo_debug_printf(SUDO_DEBUG_INFO, "%s: event %p, flags 0x%x, events 0x%x",