=================================================================== RCS file: /cvsrepo/anoncvs/cvs/src/usr.bin/ssh/channels.c,v retrieving revision 1.109.2.5 retrieving revision 1.109.2.6 diff -u -r1.109.2.5 -r1.109.2.6 --- src/usr.bin/ssh/channels.c 2002/03/09 00:20:44 1.109.2.5 +++ src/usr.bin/ssh/channels.c 2002/06/02 22:56:10 1.109.2.6 @@ -39,7 +39,7 @@ */ #include "includes.h" -RCSID("$OpenBSD: channels.c,v 1.109.2.5 2002/03/09 00:20:44 miod Exp $"); +RCSID("$OpenBSD: channels.c,v 1.109.2.6 2002/06/02 22:56:10 miod Exp $"); #include "ssh.h" #include "ssh1.h" @@ -706,7 +706,11 @@ if (buffer_len(&c->output) > 0) { FD_SET(c->wfd, writeset); } else if (c->ostate == CHAN_OUTPUT_WAIT_DRAIN) { - chan_obuf_empty(c); + if (CHANNEL_EFD_OUTPUT_ACTIVE(c)) + debug2("channel %d: obuf_empty delayed efd %d/(%d)", + c->self, c->efd, buffer_len(&c->extended)); + else + chan_obuf_empty(c); } } /** XXX check close conditions, too */ @@ -714,7 +718,8 @@ if (c->extended_usage == CHAN_EXTENDED_WRITE && buffer_len(&c->extended) > 0) FD_SET(c->efd, writeset); - else if (c->extended_usage == CHAN_EXTENDED_READ && + else if (!(c->flags & CHAN_EOF_SENT) && + c->extended_usage == CHAN_EXTENDED_READ && buffer_len(&c->extended) < c->remote_window) FD_SET(c->efd, readset); } @@ -1632,12 +1637,18 @@ fatal("cannot happen: istate == INPUT_WAIT_DRAIN for proto 1.3"); /* * input-buffer is empty and read-socket shutdown: - * tell peer, that we will not send more data: send IEOF + * tell peer, that we will not send more data: send IEOF. + * hack for extended data: delay EOF if EFD still in use. */ - chan_ibuf_empty(c); + if (CHANNEL_EFD_INPUT_ACTIVE(c)) + debug2("channel %d: ibuf_empty delayed efd %d/(%d)", + c->self, c->efd, buffer_len(&c->extended)); + else + chan_ibuf_empty(c); } /* Send extended data, i.e. stderr */ if (compat20 && + !(c->flags & CHAN_EOF_SENT) && c->remote_window > 0 && (len = buffer_len(&c->extended)) > 0 && c->extended_usage == CHAN_EXTENDED_READ) { @@ -1726,6 +1737,13 @@ log("channel %d: ext data for non open", id); return; } + if (c->flags & CHAN_EOF_RCVD) { + if (datafellows & SSH_BUG_EXTEOF) + debug("channel %d: accepting ext data after eof", id); + else + packet_disconnect("Received extended_data after EOF " + "on channel %d.", id); + } tcode = packet_get_int(); if (c->efd == -1 || c->extended_usage != CHAN_EXTENDED_WRITE || @@ -2108,7 +2126,7 @@ const char *address_to_bind = "0.0.0.0"; packet_start(SSH2_MSG_GLOBAL_REQUEST); packet_put_cstring("tcpip-forward"); - packet_put_char(0); /* boolean: want reply */ + packet_put_char(1); /* boolean: want reply */ packet_put_cstring(address_to_bind); packet_put_int(listen_port); packet_send();