diff options
| author | djm <djm> | 2008-05-19 06:06:47 +0000 |
|---|---|---|
| committer | djm <djm> | 2008-05-19 06:06:47 +0000 |
| commit | 9075997acc037997316093a60c3e29ba4f681c57 (patch) | |
| tree | 7517cdc512cf67b81f247411840468eb3430e0c7 /nchan.c | |
| parent | 70e8ff9abc72037ffbc26b1d421de1e1bfef4fe4 (diff) | |
| download | openssh-9075997acc037997316093a60c3e29ba4f681c57.tar.gz | |
- markus@cvs.openbsd.org 2008/05/09 16:21:13
[channels.h clientloop.c nchan.c serverloop.c]
unbreak
ssh -2 localhost od /bin/ls | true
ignoring SIGPIPE by adding a new channel message (EOW) that signals
the peer that we're not interested in any data it might send.
fixes bz #85; discussion, debugging and ok djm@
Diffstat (limited to 'nchan.c')
| -rw-r--r-- | nchan.c | 30 |
1 files changed, 29 insertions, 1 deletions
@@ -1,4 +1,4 @@ -/* $OpenBSD: nchan.c,v 1.58 2008/05/08 12:02:23 djm Exp $ */ +/* $OpenBSD: nchan.c,v 1.59 2008/05/09 16:21:13 markus Exp $ */ /* * Copyright (c) 1999, 2000, 2001, 2002 Markus Friedl. All rights reserved. * @@ -78,6 +78,7 @@ static void chan_send_ieof1(Channel *); static void chan_send_oclose1(Channel *); static void chan_send_close2(Channel *); static void chan_send_eof2(Channel *); +static void chan_send_eow2(Channel *); /* helper */ static void chan_shutdown_write(Channel *); @@ -306,6 +307,17 @@ chan_rcvd_close2(Channel *c) break; } } +void +chan_rcvd_eow(Channel *c) +{ + debug2("channel %d: rcvd eow", c->self); + switch (c->istate) { + case CHAN_INPUT_OPEN: + chan_shutdown_read(c); + chan_set_istate(c, CHAN_INPUT_CLOSED); + break; + } +} static void chan_rcvd_eof2(Channel *c) { @@ -322,6 +334,7 @@ chan_write_failed2(Channel *c) case CHAN_OUTPUT_OPEN: case CHAN_OUTPUT_WAIT_DRAIN: chan_shutdown_write(c); + chan_send_eow2(c); chan_set_ostate(c, CHAN_OUTPUT_CLOSED); break; default: @@ -364,6 +377,21 @@ chan_send_close2(Channel *c) c->flags |= CHAN_CLOSE_SENT; } } +static void +chan_send_eow2(Channel *c) +{ + debug2("channel %d: send eow", c->self); + if (c->ostate == CHAN_OUTPUT_CLOSED) { + error("channel %d: must not sent eow on closed output", + c->self); + return; + } + packet_start(SSH2_MSG_CHANNEL_REQUEST); + packet_put_int(c->remote_id); + packet_put_cstring("eow@openssh.com"); + packet_put_char(0); + packet_send(); +} /* shared */ |