upstream: better debug logging of sessions' exit status

OpenBSD-Commit-ID: 82237567fcd4098797cbdd17efa6ade08e1a36b0
This commit is contained in:
djm@openbsd.org 2023-08-10 23:05:48 +00:00 committed by Damien Miller
parent a8c57bcb07
commit f9f1800667
No known key found for this signature in database
1 changed files with 11 additions and 4 deletions

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@ -1,4 +1,4 @@
/* $OpenBSD: session.c,v 1.335 2023/03/07 06:09:14 dtucker Exp $ */ /* $OpenBSD: session.c,v 1.336 2023/08/10 23:05:48 djm Exp $ */
/* /*
* Copyright (c) 1995 Tatu Ylonen <ylo@cs.hut.fi>, Espoo, Finland * Copyright (c) 1995 Tatu Ylonen <ylo@cs.hut.fi>, Espoo, Finland
* All rights reserved * All rights reserved
@ -2380,17 +2380,17 @@ session_exit_message(struct ssh *ssh, Session *s, int status)
{ {
Channel *c; Channel *c;
int r; int r;
char *note = NULL;
if ((c = channel_lookup(ssh, s->chanid)) == NULL) if ((c = channel_lookup(ssh, s->chanid)) == NULL)
fatal_f("session %d: no channel %d", s->self, s->chanid); fatal_f("session %d: no channel %d", s->self, s->chanid);
debug_f("session %d channel %d pid %ld",
s->self, s->chanid, (long)s->pid);
if (WIFEXITED(status)) { if (WIFEXITED(status)) {
channel_request_start(ssh, s->chanid, "exit-status", 0); channel_request_start(ssh, s->chanid, "exit-status", 0);
if ((r = sshpkt_put_u32(ssh, WEXITSTATUS(status))) != 0 || if ((r = sshpkt_put_u32(ssh, WEXITSTATUS(status))) != 0 ||
(r = sshpkt_send(ssh)) != 0) (r = sshpkt_send(ssh)) != 0)
sshpkt_fatal(ssh, r, "%s: exit reply", __func__); sshpkt_fatal(ssh, r, "%s: exit reply", __func__);
xasprintf(&note, "exit %d", WEXITSTATUS(status));
} else if (WIFSIGNALED(status)) { } else if (WIFSIGNALED(status)) {
channel_request_start(ssh, s->chanid, "exit-signal", 0); channel_request_start(ssh, s->chanid, "exit-signal", 0);
#ifndef WCOREDUMP #ifndef WCOREDUMP
@ -2402,11 +2402,18 @@ session_exit_message(struct ssh *ssh, Session *s, int status)
(r = sshpkt_put_cstring(ssh, "")) != 0 || (r = sshpkt_put_cstring(ssh, "")) != 0 ||
(r = sshpkt_send(ssh)) != 0) (r = sshpkt_send(ssh)) != 0)
sshpkt_fatal(ssh, r, "%s: exit reply", __func__); sshpkt_fatal(ssh, r, "%s: exit reply", __func__);
xasprintf(&note, "signal %d%s", WTERMSIG(status),
WCOREDUMP(status) ? " core dumped" : "");
} else { } else {
/* Some weird exit cause. Just exit. */ /* Some weird exit cause. Just exit. */
ssh_packet_disconnect(ssh, "wait returned status %04x.", status); ssh_packet_disconnect(ssh, "wait returned status %04x.",
status);
} }
debug_f("session %d channel %d pid %ld %s", s->self, s->chanid,
(long)s->pid, note == NULL ? "UNKNOWN" : note);
free(note);
/* disconnect channel */ /* disconnect channel */
debug_f("release channel %d", s->chanid); debug_f("release channel %d", s->chanid);