search for: ssh_packet_is_rekey

Using OpenSSH_8.3p1 I had an open (working) connection to some other box; after a bit of inactivity, some device in the middle seems to have forgotten about the TCP connection (NAT) and broke it. I've got an EscapeChar defined, though; so first I tried to send a BREAK and, when that didn't help (TCP already gone, packets get lost!), I tried (just out of curiosity) a Rekey. Now I can see

...ke_timing_interval <= 0) return 1; /* disabled in config */ - if (!channel_still_open(ssh) || quit_pending) { + if (!channel_tty_open(ssh) || quit_pending) { /* Stop if no channels left of we're waiting for one to close */ stop_reason = "no active channels"; } else if (ssh_packet_is_rekeying(ssh)) {

...gt; > Reverting it gets rid of the hang and the testsuite runs to completion > with no errors. Thanks for the analysis. I think this fixes it. diff --git a/packet.c b/packet.c index 7ddebeb..6755e74 100644 --- a/packet.c +++ b/packet.c @@ -263,8 +263,8 @@ ssh_alloc_session_state(void) int ssh_packet_is_rekeying(struct ssh *ssh) { - return ssh->state->rekeying || - (ssh->kex != NULL && ssh->kex->done == 0); + return compat20 && + (ssh->state->rekeying || (ssh->kex != NULL && ssh->kex->done == 0)); } /*

Hi, OpenSSH 7.2 is almost ready for release, so we would appreciate testing on as many platforms and systems as possible. This release contains many bugfixes and several new features. The OpenBSD version is available in CVS HEAD: http://www.openbsd.org/anoncvs.html Portable OpenSSH is available via Git at https://anongit.mindrot.org/openssh.git/ or via a mirror on Github at