https://bugzilla.mindrot.org/show_bug.cgi?id=2252
Bug ID: 2252
Summary: RekeyLimit breaks ClientAlive
Product: Portable OpenSSH
Version: 6.6p1
Hardware: All
OS: All
Status: NEW
Severity: normal
Priority: P5
Component: sshd
Assignee: [email protected]
Reporter: [email protected]
If RekeyLimit is enabled, ClientAlive messages will not be sent, ever!
Problem seems to be:
serverloop.c:
wait_until_can_do_something(...)
max_time_milliseconds is set to the remaining time to a rekey.
client_alive_scheduled never gets set, as max_time_milliseconds!=0:
if (compat20 &&
max_time_milliseconds == 0 && options.client_alive_interval) {
client_alive_scheduled = 1;
max_time_milliseconds =
(u_int64_t)options.client_alive_interval * 1000;
}
The if clause might need changed to something like this:
if (compat20 &&
max_time_milliseconds > ((u_int64_t)options.client_alive_interval *
1000) &&
options.client_alive_interval) {
...
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