- djm@cvs.openbsd.org 2011/01/16 11:50:05

[clientloop.c]
     Use atomicio when flushing protocol 1 std{out,err} buffers at
     session close. This was a latent bug exposed by setting a SIGCHLD
     handler and spotted by kevin.brott AT gmail.com; ok dtucker@
This commit is contained in:
Damien Miller 2011-01-16 23:16:53 +11:00
parent 50c61f88ab
commit 4791f9dcec
2 changed files with 13 additions and 7 deletions

View File

@ -1,6 +1,12 @@
20110116
- (dtucker) [Makefile.in configure.ac regress/kextype.sh] Skip sha256-based
on configurations that don't have it.
- OpenBSD CVS Sync
- djm@cvs.openbsd.org 2011/01/16 11:50:05
[clientloop.c]
Use atomicio when flushing protocol 1 std{out,err} buffers at
session close. This was a latent bug exposed by setting a SIGCHLD
handler and spotted by kevin.brott AT gmail.com; ok dtucker@
20110114
- OpenBSD CVS Sync

View File

@ -1,4 +1,4 @@
/* $OpenBSD: clientloop.c,v 1.229 2011/01/11 06:13:10 djm Exp $ */
/* $OpenBSD: clientloop.c,v 1.230 2011/01/16 11:50:05 djm Exp $ */
/*
* Author: Tatu Ylonen <ylo@cs.hut.fi>
* Copyright (c) 1995 Tatu Ylonen <ylo@cs.hut.fi>, Espoo, Finland
@ -1591,9 +1591,9 @@ client_loop(int have_pty, int escape_char_arg, int ssh2_chan_id)
/* Output any buffered data for stdout. */
while (buffer_len(&stdout_buffer) > 0) {
len = write(fileno(stdout), buffer_ptr(&stdout_buffer),
buffer_len(&stdout_buffer));
if (len <= 0) {
len = atomicio(vwrite, fileno(stdout),
buffer_ptr(&stdout_buffer), buffer_len(&stdout_buffer));
if (len != buffer_len(&stdout_buffer)) {
error("Write failed flushing stdout buffer.");
break;
}
@ -1602,9 +1602,9 @@ client_loop(int have_pty, int escape_char_arg, int ssh2_chan_id)
/* Output any buffered data for stderr. */
while (buffer_len(&stderr_buffer) > 0) {
len = write(fileno(stderr), buffer_ptr(&stderr_buffer),
buffer_len(&stderr_buffer));
if (len <= 0) {
len = atomicio(vwrite, fileno(stderr),
buffer_ptr(&stderr_buffer), buffer_len(&stderr_buffer));
if (len != buffer_len(&stderr_buffer)) {
error("Write failed flushing stderr buffer.");
break;
}